Is The Hype Real? Ziss Bubble Bio Filter Review

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The Ziss Filter has had a ton of reviews, but is the hype over this air driven, moving bed filter real? How good is the Ziss? I'll go over the pros and cons and tell you my experience with the ziss filter.
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[@BentleyPascoe]

Interested in checking out the Ziss filter? You can pick it up from Aquarium Co-Op here: bit.ly/2N3Fa3Y Maybe you prefer a sponge filter instead - Co-Op has their new ones right here: bit.ly/2pMmFGI

[@MidnightGeekSS]

Yesss!! And next the NEW easy feeder please! I am curious about it working on smaller tanks (20g, 10g) etc

[@tastyfishsauce4410]

I like how it looks, but not the prize. I still have my old diy k1micro and it works just fine in conjunction with other filter (sponge/hob/canister). Good info given on this video, I like the honest review without bashing the product. Pros and cons of product weights in a lot in determining purchase. Nice job, keep it up.

[@BentleyPascoe]

@@tastyfishsauce4410 I appreciate it, I do my best to make sure every thing I review gets its fair shake, though to be honest, everything has a pro and con and it's easy to know some of the stuff that's so bad it's not worth reviewing - regardless, glad you enjoyed!

[@forfam1992]

It's not meant to be a mechanical filter...the sponge is purely to keep the crud out of the media. It is for biological, period. And can do that perfectly well. Not meant to be sole filter, meant in addition to a sponge or HOB loaded with sponge for mechanical filtration.

[@TMAquatics]

Nice review Bentley. I have had two of these in my 75 gal L494 Pleco tank for several months now. I bought them to test whether or not they lived up to the KZbin hype. Sadly, I’ve been very disappointed with the Ziss filter. For whatever reason, the airline clogs frequently (every 2-3 weeks). This is happening to other people as well. This is not a result of my water quality or other controllable factors. It is still a mystery as to why this is happening since water is crystal clear and the tank is kept spotless. The filters are too noisy, and I’m not talking about the bubbles. The noise comes from the churning media. In my opinion, you are better off sticking with Hydro Pro sponge filters for half the cost, or spending a few more bucks and getting an Aquaclear (if you’re into HOB’s). I have talked with many people who have tried these and the consensus is similar, the Ziss gets a thumbs down 👎. Your video review however, gets a big thumbs up 👍.

[@jamesleiser5240]

If the airline hose if translucent and get's enough light on it, it could be growing algae inside the tubing.

[@liyataylor7389]

P

[@JohnSorlie]

So after a long term use ( Two years) of this moving bed filter I have something to say that might add to some questions people have. 1. Never use this filter as youre only main filter. Its designed for a specific use, and if you want a full filter cycle, have a spongefilter/cannister or a HOB together together with this filter. 2. After a few months this filter will grow some hardy tough beneficial bacterias for youre tank water, but it takes a few months, maybe up to 5-6 monts fully mature. Why so long I hear you say, well its because of the media used, plastic. Plastic is not the best media for growing bacteria, but in this case (moving bed filter) for this application it works after a few months. For a new tank setup, I will strongly suggest using a spunge or cannister or HBO together with this filter. Or youre nitrogene cycle will take a loooong time to complete. I have this filter in a 80gallon tank with 6 goldfish (or pigs,they eat like pigs ;)) they eat alot and produce alot of waste, I have a Seachem Tidal 110 and one of this filters running together, In my case this is optimal. The Seachem do the mecanical and most of the bio filtration ( Seachem Matrix media) , then the Ziss add some biological filtration to my tank. In this config the Ziss bio Bubble is perfect. My ammonia and nitrates levels are very low, always close to zero, but I still do a 25% waterchange every week, just because I love my fish I want them to have the best conditon I can give them. This Ziss help with that. Together with the Big Boy Seachem 110. So the Ziss is a good addon filter that will be good, even greate in some scenarios. This is just my Personal take on the Ziss Bubble Bio filter.

[@BentleyPascoe]

I appreciate your feedback and agree! Great for adding on. Not so great as a solo filter

[@MakoyUnggoy]

I use mine in tandem with a cannister, I'm not sure if the Ziss is bringing anything along to the party but at least the media swirling around is nice to look at haha!

[@darrylmoore5847]

I added one to supplement the biological filtration on my fancy goldfish tank that has an Eheim canister filter as the main filter. I absolutely love it for what I am using it for.

[@glenhenry6028]

Thank you for the review all other reviews didn't address the noise this thing makes. Honest review is good

[@reneowens2768]

I use mine in my 65g goldfish tank with a canister filter. The increased bio capacity is great for the fish, replaced a large sponge. Goldfish tanks with substrate always have particulates so what my canister lets by is no issue for me. I like it.

[@nabokovfan87]

I've used multiple of these in different tanks for specific reasons. When they came out I was slightly excited because it was a nice excuse to get rid of all of the sponge filters I had in the tanks. The biggest advantage to removing sponge filters was that I free up space for the fish in the bottom of the tank, and these seems to be more focused on bacterial load as opposed to "cheap filtration". There were a few things you mentioned that I'd like you to consider. Firstly, the noise. These can be "loud" but the noise really isn't from the bubbles, it's from the media swirling inside and scraping the plastic. It's a pretty high pitched noise and I would highly recommend using the provided valve to control how much airflow is being pumped into those filters. Once you get the air pressure level right it's a lot easier to operate and maintain then a sponge filter. If you're using one line for multiple devices, that valve comes in handy because of how much flow these require and can take over a line. I wish there was an option for an extended depth sponge. I have issues with so much junk making its way past the sponge and into the media. I don't do daily water changes, and once you pop the sponge off there is definitely a lot of detritus that comes off if you don't use a bag. Second thing is the air level you mentioned, again, to keep it quiet you need to adjust air pressure and not water level. What I've found is that is the bubbles don't have room to flow out of the output correctly then you end up with the internal flow not working as well as it should and some of the media sitting. My biggest issue with these things is the quality and workmanship. I designed aerospace products for years, plastics tool molds as well and so I see little things that are pretty frustrating. I understand why it happens, but I wish things were designed a bit better. Issue #1, the hose, internally, isn't separated from the media. When you are adjusting the line it's pretty easy for the media pieces to get wedged behind the airline and specifically into the input/diffuser. The air still operates, but it causes the flow to drop enough that the media doesn't spin as it should. (this mixed with the bacteria on the media building up over time causes performance issues). #2 the flow valve that is provided almost always has some flash on the mold line. Take the black piece out and make sure you give it a good look over. It should be smooth, and considering this is what is used as the main interface for the design, the tool really needs to be reworked to fix that. Ok so! The filter itself, I used in a 29g, 55g, 40g bowfront tank. I generally use these to increase flow, not filtration. I use these in place of all my sponges for the reasons above and I use them in combination with HoBs. I want the water clear and clean, I want the junk off the bottom, but I don't trust the ziss by itself in any tank. It's not robust enough to filter things out. It's easy to clean and a great compliment, but it is not a great standalone filter. The exception would only be a tank for fry (raised panda corys for 6 months on this) or a tank where you have to use air and cannot have as much exposed sponge. (Crabs, crayfish, etc). hillstream loaches, plecos generally enjoy this filter and they like to hide around it.

[@scottmerrow7617]

The Ziss is basically a bio only filter, and a damn good one, never claiming to be anything else. So yeah, if you can only choose one filter (?) the Ziss might not be for you. It is also a relatively high capacity bio filter compared to sponges so wouldn't be needed in smaller tanks Probably perfect for a 3 ft long aquarium bio wise. 2 might be needed in 4 ft. heavily stocked tanks..

[@stevegee8010]

What about having the outlet slightly above the water line with a sponge under it to dampen the noise? Ok, you'd lose some water surface movement but I'm guessing you won't get too much of that anyway just being bubbles.

[@jamesholbrook7785]

Put a plastic cup lid on airline like LR Bretz does. Helps knock down those bubbles popping at surface.

[@SuzLa1]

I needed to know about that filter and you explained so I could understand about it, thank you. Although I'm still trying to find a video of it in action in the tank.

[@jimmygimbal]

That auto focusing is sick hahha love it

[@25TheCaveMan]

Thanks for the review man! I hope they can figure out smaller versions of this filter some day. I also like your idea of a modular design, making it much more customizable for each tanks needs. That would be awesome!

[@catfishcave379]

I would guess it was designed for a 40g at minimum-more likely a 55 and bigger; and designed to be paired with a mechanical filter. I’m making my own internal filter that I am going to try and pair with it. I like to separate my filtration-one for bio, one for mechanical. Of course I do that on 40g and bigger tanks. Way back in the 90s I read Sprung and Moe and Thiele; best education on the science of filters I have come across. I like this video! You explained your observations and let us decide whether this will work for us.

[@TriHard7c]

im usung the qanve lh 600 i figured out that if you remove the k1 and replace it with something like seachem matrix then you will have like 0.5kg bio filter media in that which is very sweet compare to the qanve qs200a only hold about 200ml bio filter media

[@johnnymiller9622]

Thank you for this. I am new to your channel. You’re easy to listen to, which is a big 🤘🏻. I am buying these as an adjunct, not solo filters. This was super helpful.

[@glee8421]

I've used this for a 20 gallon long about six months, now the air flow is more restricted, thus not working as intended, would like to see the next version to be air stone accessible to clean. You're right about the noise, the large air bubbles was irritatingly loud.

[@charliebright12]

I used one in a 40 breeder with two large sponge filters and lots of plecostomus fry after two months developed an air clog that was not easy to fix so stopped using...the other thing is I do large water changes so it was sticking way out of the water whenever that was going on......think it has potential...would not buy again in its present form.😎🌴🏴‍☠️🐠

[@markperry2066]

Hi Bentley, just watched your ziss review, very informative, thank you, im going to get one as a secondary filter, i have a external running, the tank houses a very large distichodus sexfasciatus, hes an old guy now! I can really seeing this helping with the water quality, would really appreciate your input. Many thanks again. Mark.

[@robotzombie3546]

This guy said he only has small tanks but anybody with a taller 55 gal etc, this is better than a sponge as a backup to a HOB or canister. It's not louder than a sponge. 2 suction cups is good.

[@breedinginsects4785]

Great inadept review and thoughts. I have a 400L tank and use a DIY, pepsi max bottle version, on a threadfin rainbow tank. I dont use K1 media, but Biochips (5 times the surface area and biocapacity) and never have ammonia issues. The biochips I use have 3500m2 surface area (per 1L) and can process 90g of food waste/day). I dont see it as a stand along filter, I use it as a duo filter concept in conjunction with canister (all sponge, no biomedia). Canister removes solids, Bioreactor processes ammonia and nitrites. They both have very different jobs. My threadfins are zoo and phyto plankton eaters so the self cleaning properties of this filter (chips rubbing against each other, shedding biofilm) provides an awesome food source for fish and shrimp. I also use it on a 1000L aquaponic IBC and never have ammonia issues even with very high stocking rate. Rarely if ever do water changes and it all comes down to this awesome concept. Anything that eliminates water changes is a winner for me. Also one concept which would be good to explain is how it works, as the concepts of depth of diffusion, higher organism filtering (ie rotifers) and self cleaning properties are just mind blowing...for those bio nerds out there this link is a good start freshbydesign.com.au/aquaponic-aquaculture-products/biological-filtration/mutag-biochip-30-4/ Great review, keep it up.

[@ChencjLC]

I started running one of these on a planted 20 high where I plan to be breeding dwarf puffers. I'm really liking it so far. The noise is definitely more than just a normal sponge or HOB but not overly so, for me. I personally like the sound of running water though. I was looking for a filter that would provide heavy biofiltration (since puffers are messy eaters, and the amount of snails I'm always throwing in is ridiculous) and while I wasn't explicitly thinking of how particulates would be good for breeding, I definitely like that things stay suspended in the water column for a while. So far, I'm not convinced it's better than a sponge yet, but that may change once they continue to stock their own tank. Excellent food for thought though! And I'm glad you mentioned the sponge - I didn't realize that came off at all, so you've just saved me a ton of effort! 😅

[@susanbriggs862]

I run as emergency backup in my tanks for power failures. Easily connected to battery operated air pump. Kept my fish alive in all 4 of my heavily stocked 55 gal tanks with just 1 filter per tank. Kept ammonia below 0.25vppm. I run in conjunction with canisters or HOB. I prefer over sponge filters.

[@lilirose72]

I am 100% here for product reviews and "what works for me" stuff. I came in because of your video on Fluval light settings. I sometimes try to watch the "cinematic b-roll" stuff, but my main tank rack is right next to my computer desk and I find myself distracted by my own tanks. Your tanks look great, but then I look up and see that plant that needs trimming or my Sparkling Gouramis chasing each other or a young shrimp that needs to be moved into the cull tank...I have plenty of live b-roll right here, and I can listen to you talking while I trim my hairgrass!

[@kasperaquatics]

I run one in my 55 community tank, it works ok. I removed the filter and just let the filter run. I also have a HOB on the tank as well. Love your videos, and the info you give. Thanks.

[@scottmerrow7617]

If it's too loud you might be pushing too much air through it. And if less air won't move it, remove some media like others have suggested. I have one running perfectly on a USB nano pump. Under the water a bit. A more gentle rolling of the media seems the best speed.

[@pugamusmaximus]

I loved it for my Axolotl. Kept it low to the ground. Took a while for the media to grow bacteria but it was awesome but had minor issues. I used a check valve and my own hose. I moded mine. I wish it had a lift tube and an elbow to create more flow when placing lower in tank, better media. 3 slices of sponge: coarse, medium and fine.

[@NatetheGreater]

I used a ziss filter in a 20 long, I was issue free but ran glass lid, and it was the only tank running in the room, and I kept the tank topped off pretty regularly (always had water above the bottom of the rim) I also ran a fine sponge filter for particulates, and use it to seed new tanks

[@BentleyPascoe]

I appreciate the feedback on this!

[@johnwood738]

Love mine have had since December and have no problems

[@lesliereynolds4486]

Great information in your video! I agree with everything that you pointed out. I purchased 3 Ziss filters. One never worked right, and I was unable to figure out the problem. It barely moved the bio around in the tube. The other 2 Ziss filters I liked very much, but I preferred a cleaner looking tank. So I ended up removing the Ziss filters and went back to my original setups, a HOB and Sponge. I still liked them, and perhaps they can be used for another project.

[@michalmaziarz758]

I just bought one from my new started fish tank and media not want a move. Do I need stronger pump or after few days media will start move? I have 3wat air pump. Tia

[@BentleyPascoe]

It takes a little bit to get moving right, bacteria starts forming and it moves better.

[@thebuzz2010]

Great review! thanks.

[@jcote1974]

This was a really well done video. You’re great on camera too! I thoroughly enjoyed and learned quite a lot about the Ziss. I’ll probably try one in a 29 and a 40 (or 75). I’ll combine with an Aquaclear I think. I like the idea of being able to run a smaller HOB or sponge in tandem with this Ziss.

[@jensmith8404]

hi, just watch this video ( interested, can i use bio-pellets that removes phosphate and nitrate in this? another question, is air bubbles needed in a tank or have benefits.. i don't use an air stone in my Lake Tanganyika, Brichardi colony tank.

[@BentleyPascoe]

Pellets are likely too heavy

[@doodlebrain4446]

what kind of air pump do you need for this i saw some people saying you need a pretty strong one is that true?

[@BentleyPascoe]

It does better with stronger air flow, mine is powered off 2 outlets from an 8 outlet cheapo pump from Amazon

[@kanishkawijewardhana3684]

Thank for the vedio, good explanation, It's not worth to price and too small filter.

[@MidnightGeekSS]

I am intrigued by the ziss, but I don't think it is ideal in my current set up. But I deffo want to try it out when I get a bigger tank. Still think a sponge filter out performs it in general

[@sleeps0341]

In my head wondering if adding a powehead to this somehow would work or is it nessasary for the bubbles to run it due to oxygen exchange? If a sponge filter and this connected to it along with a powerhead to run it instead of a bubbler, wondering how that woukd work.

[@BentleyPascoe]

The moving bed style filters require high oxygenation levels to function correctly. Otherwise a power head's flow rate would be nice.

[@sleeps0341]

@BentleyPascoe one last question. Can this be set on a timer for instance it turns off when I'm running co2 then turn back on with the bubbler once the co2 turns off after 8 hours?

[@BentleyPascoe]

@@sleeps0341 maybe, but you'd likely not keep an optimal bacteria colony and thus it wouldn't do it's primary job as filtration

[@fisharefriends598]

I like them, filled them up with biohome. I def prefer it, no noise from the plastic tumbling

[@assemelsayed5331]

the older i get the less convinced i am of the value of filter media, not sure its needed unless you run crazily overstocked tank like what you see in asian markets

[@mattr8743]

Thanks for another honest review! Been considering one of these for awhile now. Alot to think about, the size and noise are a concern for me.

[@patricklaundra3286]

so is it the moving media or the added air that makes this a good bio environment? - I've wondered about putting an air stone under my h.o.b. Matrix media ??

[@BentleyPascoe]

It's more the combo. The moving media causes only the younger more healthy bacteria to remain and the aeration ensures a high oxygen environment for bacteria growth

[@patricklaundra3286]

@@BentleyPascoe thank you

[@richardwaldhouse8067]

Just received my new ziss filter and don't have it installed yet.

[@jamjul40]

I've had it for several months, and I have to say, I've seen no significant change in anything in my tank. I want to take it out, but just in case there is something going on in the tank because of the ziss filter, something positive, I don't want to take a chance and crash the tank. But, as I said, I don't see any significant change in my water parameters, my nitrates, my ammonia, my particulates in the water, all remain the same.

[@deborahmcclain8134]

Great review, because you discussed various scenarios that are better or more poorly suited to filter's abilities. Ingenious spin on advantages of particulates in water!

[@DanDannyDanielleBob]

Any experience with a box filter? Seems old school but air powered fines filtration. Ceramic media has better surface area vs sponge. Right now i like corner matten filters as prefilters for canisters. Keeps the heater hidden and can protect shrimps from bulkheads, and is easy to use a net around etc. But it is a hige pita to clean vs a sponge. Future tank will include a test of a corner box filter with ceramic media and filter floss ticked behind the coarsest matten filter i can find

[@BentleyPascoe]

I have 3 corner box filters in use in some 10s above the rainbow fry tanks. They do good work for a small tank.

[@aheimsvensson1573]

You need abot 2 gallon/8 liter of this sort of media for it to be an affective filter!

[@zimrianispresent8123]

Hey you gave me some fishy advice and not only did EVERYONE pull through, I have a massive fish population now!!! Thanks for the help. I can't wait to set up my now 7 tanks onto one air pump. Just makes sense

[@pjbailey2313]

I am very intrigued by that BrightWater media you referenced. Have you actually used any of their products?

[@BentleyPascoe]

I have a few under testing currently, stay tuned!

[@1domcouk]

Good review! Could you fill this filter with a different bio media. For example matrix which consumes nitrate?

[@BentleyPascoe]

It's designed for air powered moving bed, so you'd want something designed for that

[@ejfishes7610]

Good review Bentley. I have a few as I was excited about it when they came out. For similar reasons you & others have mentioned I don’t believe I’d purchase them again in its current state.

[@jackiegoh2699]

Would you recommend this for a 60x29x36 tank for terrapin? I am looking for a submersible filter, but not sure which one to get.

[@BentleyPascoe]

I would be worried the terrapin might be too messy, you might try looking at a small powered filter like the U2 or a small canister.

[@Karebear89]

I’m actually having trouble setting the filter up. Do I need a air pump for it to work?? Or I just put in the water and wait for it to start doing it’s thing???

[@BentleyPascoe]

It requires an air pump

[@davidlieberman6512]

Product reviews are pretty good, gives me an idea of will it work for me, before I waste money to find out if won't work in my 20 longs.

[@Ishiisan]

I bought four to put in four different tanks. I noticed not just the bubble sound but medium rattling. I changed back to my $4 box corner filter :) I'm only running that in a guppy breeding tank & crayfish tank :)

[@scottmerrow7617]

Why would anyone think any filter could "do it all"? The Ziss is a fantastic bio filter, it takes some air though. I never heard any of the hype, finding out about them last year. Bought one and like it. If I had to go with only 1 filter this would be it. But filters aren't needed at all on properly set up tanks so....

[@pas100657]

I like the review. I’m running this in a 40 breeder along with a Penguin Pro 275 hob so the fine particulates in the water column isn’t much of an issue for me (all my tanks run with two filters except the quarantine tank which is just sponge). I like the ease of removing the sponge section, it can be easier getting the sponge compartment off and on again than the sponge on the hob intake some days, but it is louder than any of the sponge filters. So while it’s a good biological filter is it that much better than a $6-$8 sponge filter?

[@BentleyPascoe]

For me no, but I'm glad to see another person who likes double filtering tanks

[@pas100657]

Bentley Pascoe the impeller on my Ehiem Pro3 gave up the ghost after 3 years and it took a week for the replacement to get here. If it wasn’t for the Magnum canister that was in the tank I would have been scrambling for a replacement. The Discus didn’t even notice the drop in flow. I also bought extra impellers just in case.

[@James_Hande]

I have no interest in trying the Ziss filter. To many negatives for me. Reach down under the filter to access the sponge is a big one. Plus as you said not very efficient at polishing the water. Takes lots of air/pressure to operate. If I was going to swap out my sponge filters in all my breeding tanks, I would go back to the trusty old box filters.

[@byz513]

Thanks for the review. Question: what's a good middle of the road regulator for small to medium aquarium? Prefer one step above the aquatek reg (any experience with GLA or Co2art regs?).

[@BentleyPascoe]

I own both CO2 Art and GLA regulators. I think aside from building your own, GLA is probably the best out there, but you pay a ton for it. Honestly I think the CO2 art is a really good step up. I'll have the expandable manifold CO2 art in testing here very soon, the single manifold I've had running on the 75L for a bit now.

[@byz513]

@@BentleyPascoe thank you!

[@byz513]

Hey Bentley, is there a difference between Rotala Indica and Rotala bonsai? I thought there wasn't, then an online retailer said yes. What say you? (Now I KNOW R rotundifolia is NOT either of these since there was some confusion before). Thanks.

[@BentleyPascoe]

@@byz513 True Rotala Indica is now called Bonsai. It was previously called an Ammania, but that has been re-classified. What most people call Rotala Indica is a strain of Rotundafolia that gets a dusky yellow hue in the upper growth. Short version: buy bonsai, not indica if you want the bonsai look.

[@byz513]

@@BentleyPascoe yes sir. That's what I discuss with buce plant rep, but your explanation seems legit. I did get bonsai tc at my lfs. And what's up with Rotala rotundifolia RED and Rotala indica GREEN? are these really different strains or are they grown differently (different environments)? Oh, last question, I know you said in your videos that you use a small amount of co2. Are you talking 1 bubble per 3 seconds? Or slower?

[@paulettc3898]

I was considering this filter but might pass after this review. I have a hugely stocked Guppy tank with sponge filters that couldn’t handle the load. I added a hang on back with the sponge still running which has helped tremendously and again was considering adding a Ziss. Will leave the current setup for now! Thanks for the review as it has helped with my decision 🤓

[@cliffordspencer2364]

how would it work in a 55 gal with a sponge filter working with it

[@BentleyPascoe]

It should be a fine supplement, I would keep the sponge personally in addition.

[@cliffordspencer2364]

@@BentleyPascoe I love my sponge filters I use them in all my tanks and one of my indoor ponds, just looking to find a way to take my over the top filter off the 55g but it has some Koi in it and they aren't the cleanest fish. I am going to try a Ziss with the sponge and see if it can keep up to the load.

[@lilybeaumont683]

Mine stopped working and I can't find out why .... I've had it a while..replaced a pump thinking it was that.... replaced lines...sometimes it worked fine then it just stopped...right now I have taken it apart in case it's snail..no... thinking of junking it...

[@BentleyPascoe]

That's a bit strange, how long has it been in use, if you got it from Aquarium Co-Op, I would reach out to them, they may be able to help too

[@lilybeaumont683]

@@BentleyPascoe OK I took it apart again and ran the defuser under the tap..now it's working...that was the only part I have never removed...so maybe it needs cleaning off the unit I have only taken off and cleaned the pipe leading to the defuser. ...I mean it has nothing to go wrong it had to be an easy fix.....it is only a back up filter I have a canister on that tank..the Ziss has been playing up for months on and off..it's been mind bending having it work sometimes and not others....lol..😆😆😆😆...maybe next time I clean it I will do a video..thanks for the vent...

[@SimmerJas]

Is this any good for my turtle tank? Or should I just make my own

[@BentleyPascoe]

I would use something else for turtles personally

[@SimmerJas]

Bentley Pascoe like what!? I’m seriously searching for help so anything would help. I have a main filter which is a penn plax cascade 1000

[@-8_8-]

I know it's old, and I'm not likely to get a response, but have you thought about biopolymers? I hear you get denitrifying bacteria.

[@BentleyPascoe]

So I guess my simple response would be. Why would I need denitrifying bacteria when I put plants in all of my tanks they give me denitrification naturally. But to answer more directly, no I haven't really looked into using a biopolymer.

[@-8_8-]

@@BentleyPascoe things like my congos will eat lots of types of plants. i can reduce the effect by over feeding. one way or the other, runaway nitrates in that tank.

[@leo2o915]

Mine is moving the bottom only I just connected it did i do it wrong

[@BentleyPascoe]

It takes a little bit for some bacteria to form and get it properly moving

[@leo2o915]

Bentley Pascoe oh ok awesome thanks I put it in my QT tank with a sponge filter :) going to be upgrading my QT to a 20 gallon soon this 10 is too small lol

[@alans4281]

Been running those in Australia for a while. Obviously it’s not a sponge filter replacement are you joking.I think you are sharpening the pencil way to much mate. I have to hold back on what I think of your dribble.

[@alans4281]

Sorry if I came across a bit strong mate. But seriously one look at the filter and you can see it’s a moving bed filter ( biological )nothing more.

[@kenfused]

I am wondering why everyone keep saying it is the best possible bio filter. I would love to see a scientific test running the side-by-side with say and uncle Clare or a sponge filter in three identical thanks, and does them with ammonia after they have been colonized to see what happens. Sure I know the theory about the biofiltration capacity, but who knows if it is really the best? I’d like some of the pros and cons you mentioned like not having to clean it too often and that might be enough to sell it, but it is really hard to know with the bar filtration capacity is without true testing

[@BentleyPascoe]

This is actually something I'm working on doing. Just trying to get space for it

[@kpNov23]

Everyone buys it because Aquarium co-op pushes it. They have good products and then not some good ones. Thanks for being independent rather than 2/3rds of the fish community who are sponsored by them or enamored by them.

[@BentleyPascoe]

@@kpNov23 I think a lot of what we see is folks getting an initial impression, but not several months or even a year of practical use. In general, I would say the Co-Op strives to provide really good products, but no one is perfect. I think this filter has its place, but it also is not a replacement for everything under the sun, but I can only really say that strongly because I've waited and played with it enough before saying my opinions on it. I wanted the data first.

[@JayAdams-ml5jf]

Someone built a "better" mouse trap. The "old" mouse trap worked just fine and is a lot cheaper.... It's a bio filter in the same genre as a sponge. Sponge filter of same size would filter WAY more and prob cost less depending on brand and who you buy from. IMO, save your $$ and just stay with sponges. Sponges also offer the bonus of a large exposed surface area teaming with micro-life for small critters (shrimp ETC) and new fry to inhabit and eat from. The ziss filters doesn't really have this ability. p.s. For those who didn't get my metaphor. The "mouse trap" in question is biological filtration, to change ammonia to nitrite to nitrate.

[@Evil_Genius_888]

Honestly I’ve been curious, but I’m that person who doesn’t want to see, or hear, mechanicals in my tanks. I even have a small canister on my 10 gallon. If I had a big fish room like many of us have I’m sure things would be different. So far it’s 2 in the living room and one in the office.

[@LittleLargeMouth]

I love you, Washington fish fam

[@vb2377]

I have a large hikari sponge filter along with the ziss in my forty breeder. I stock it pretty heavily with around 15 swordtails, 50 white cloud minnows, and 5 bristlenose plecos. I’ve had no issues. The ziss pairing with the sponge is a match made in heaven.

[@Vincent-kx9ze]

Hit that thumbs down button twice as requested! 😂 Thanks for another unbiased review

[@stevetravis2523]

Noisy no good for bedrooms & you can put other media in the canaster, they should include a none return valve

[@P0HTAT0]

A few minuets talking with someone with a half decent 3D printer I could design the perfect simple clip on Jet for that thing also could design a simple adapter to marry it to an API style sponge filter making it the Perfect submerged air powered filter. We can make Millions 🤑 To be Honest I could design the smaller filter with nearly no issues other than I don't have access to the ability to prototype the designs for testing. I have had an idea the marries an under gravel and matten filter into a bit of a waterfall for smaller tanks to look more like a decoration than a filter.

[@andrewplatzner6602]

Bentley, got one of these from Christina of gold coast Aquatics, she had them before Corey. I got it to provide more biological filtration which it does well. I use it in my 55 cichlid tank. Only problem I have had is the suction cups coming loose. Probably if I cleaned the glass really well I wouldn't have this problem. Supposedly they are coming out with a smaller version for smaller tanks.

[@jackier855]

I purchased one from Aquarium Co-Op. I didn't like it because it took up a lot of room in the tank and didn't look good. I also hated the noise it created after the water evaporated. I also don't like to stick my hand and arm into the tank to remove the sponge.

[@annalee7403]

A fluidised bed filter needs to be scaled up quite considerably than this to be effective. Does it work? Theoretically on a minute level. It's a scam.

[@jamesb2877]

Ziss Bubble No run 8.8 gallon on usb pump usb pump all the way tank 2 20 long usb pump tank 3 will be 3 gallon and usb pump

[@aheimsvensson1573]

ivé got this one and DON`T buy it! The sound will disturb you and also your fish. Get a regular sponge filter!

[@BentleyPascoe]

I have not had the noise bother my fish, they're quite active in the tank with it, but if the water level gets lower to expose the top, you will hear a bit of the media grinding from friction in the moving bed. I agree its a touch noisy, but there is some ways to mitigate it as well.

[@taintedmeat9740]

For what it is I think it's over priced and prefer Lee's triple flow box filters for breeding tanks.

[@aheimsvensson1573]

Ziss filter should be banned from the market!

[@nik1954]

Needless commercial crap

[@car77777]

They suck. Cheaply made.