Marine Watermaker: Do It Yourself | Sailing Sunday

This is our DIY, Do It Yourself, 100L/hr watermaker that we built from scratch during lockdown which cost us around $1,000 (EURO) total from standard parts we bought online. I must admit, we had the High Pressure pump gifted to us, so it may cost you guys a tiny bit more, so lets round it up to about $1,500 and you have yourself a water maker for your boat that would normally cost you about $4,000-5,000.
Well, that's not entirely true, a $5,000 system will have power saving pumps, digital circuitboards with self flushing systems and alarms, but as we're going to be out in remote places traveling around the world, we wanted everything to be extremely simple and easily fixed because out here on the water we're constantly hearing everyone complain about issues with their watermakers having to wait weeks for spare parts or diagnostics.
I hope you guys learn something and enjoy the video of how we made a watermaker on our sailboat.
We are currently crossing the Atlantic Ocean but Leave a comment below and we will try answer any questions you have 🤙
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[@SailingSunday]

UPDATE: I deleted the puppy pump and it's basically now just: Sea strainer after the seatcock - food grade hose - 20 & 5 Micron filter - food grade hose - Highpressure pump - highpressure hose - PV1 #1 - highpressure hose - PV #2. - Brine output = high pressure hose - dial - needle valve - hose - cockpit seacock. - Freshwater output = food grade tubing - TDS meter - food grade tubing. and I manually put in the tanks or fill bottles. Notes* The HP catpump has a pressure relief valve to protect it and I don't flush the watermaker after every use because we live on the boat 24/7, I use it for about 1 hr or every 30 minutes every 2 days and seems to be ok. The last membrane never went higher than 200ppm after 3 years. I only replaced the membrane because I upgraded it.

[@reginasimms46]

Great Diagram. For someone that will never install a water maker you made it very straightforward I totally understood what you were talking about. Great video

[@SailingSunday]

Awesome!!!

[@Amarok41]

Great job with the watermaker! 14.9k almost at 15k subscribers too

[@SailingSunday]

Thank you! Woohoo, we just hit the 15,000!!!! 🎉❤️

[@stevepritchard9544]

Top stuff thanks for the simple explanation, happy sailing.

[@nooneanybodyknows1321]

You are not just a pretty face. Your smart too. Great presentation. 👍 It was lovely seeing Finn again. 💔

[@SailingSunday]

Oh yes, it was filmed over months as I was waiting on parts and lockdowns etc. it was nice seeing Finn again 😢❤️

[@04MOC]

Very smart thinking, this is a very good idea ! An awesome price for a water maker with spare part possibilities. 💪 👍

[@SailingSunday]

Thanks, glad you enjoyed it! Yes we just wanted it all very simple and easy to fix. Although I regret installing it deep down in the Locker lol

[@04MOC]

Well, it can be a tricky install the first time. I've been a mechanic for reversed osmosis water systems myself. Always small spaces, so maintenance becomes more like a circus act.

[@kevinhaley8625]

Cool set up. A Merry Christmas to you folks and your loved ones, especially my friend, Jackson

[@SailingSunday]

Thank you! Hope you had a great Xmas and NYE!

[@arthur4818]

I've seen people use a $100.00 pressure washer from a local hardware store they removed the motor and pump assembly and it worked as the high pressure pump

[@SailingSunday]

Yes thats correct and will work too! We wanted it to be rock solid reliable because you do need to be careful with using a pressure washer pump as they may not have stainless steel internals

[@yaa63]

WELL DONE!!!! FAB VIDEO!!!! CONGRATS...I'm absolutely convinced I could do one myself thanks to you...this reminds me of your video about your camara equipment...without mentioning you are great at explaining things!

[@SailingSunday]

Awesome thank you! 😊

[@russgillbanks436]

Bloody good little vid there Ryan!

[@SailingSunday]

Awesome!!! Thanks Russ! Trying to keep everything simple, Hope it all makes sense 😀

[@BohemianBeatster]

Well done mate. I hope your follow You Tube sailing adventurers, Millennial Falcon see this episode. They really need a water maker. Better still, perhaps you should reach out to them; they like you two are very groovy people. Stay groovy and stay safe.

[@SailingSunday]

Actually, we just bumped into them in the Canary Islands!!! Awesome couple, we had a few beers and hope to see them again along the travels!!!

[@KismetWLS]

We have household R-O, and from your video, it looks like not much more is wanted to have a watermaker. I think the TDS monitor sounds great, we don't have one on the household R-O. Maybe they think upland people don't care, but we see flooding occasionally, so it makes more sense to have that than not to.

[@ianprice9005]

Great show many thanks for this valuable information really great Ryan 👏👏

[@SailingSunday]

You’re welcome! It’s super basic, but nothing much to break!

[@kristaready8812]

Great tutorial Ryan!

[@billhanna8838]

KSS the only way to go - Wet t shirts help Ha great job

[@SailingSunday]

Thank you!! 😊

[@vincentbarkley9121]

Great video. Thank you.

[@SailingSunday]

Thanks for watching!! ☺️

[@JayPerrypersonal]

Great video mate, if we can’t get our Desalinator working I think I’ll just rip it out and make one. Maybe my pumps are still good to re-use

[@garygarnett6469]

The wet T shirt didn’t work at the end 😂😂 I’ve been following you on Marine Traffic see you heading south 👍

[@SailingSunday]

didn't quite have the right effect did it 😆 yup!! we are making some big hops across the pond that's for sure! nice to know you are keeping an eye out for us! makes us feel less alone while we are on the move haha

[@novelistusonthewater]

well done and great video but some doubt your $1000 big time even with the gifted HP pump. Anyhow, good job.

[@Madchris4x4]

Awesomeness cheers and have a merry Christmas

[@SailingSunday]

Thank you! Hope you had a great Xmas and NYE!

[@allynonderdonk7577]

Well my watermaker has a 1hp motor and a pump that supplies 1.8 GPM at 1500 PSI at 1750 RPM. Yours is rated for 2.5gpm at 1200psi and 1725rpm. I generate around 132 liters pre hour depending on conditions. You have a 2hp motor so you could maybe go three pressure vessels and get more production. I have two and get 132 liters per hour. 3.5 gpm pump is the top end for 227 liter per hour installs with the 4" pressure vessels and 2hp motors. So you probably have 1hp more on your motor than you need for your production even adding a second pressure vessel to get up to 132 liters per hour. If you added two more pressure vessels...which this is outside my experience, but I bet you could get 160ish liters per hour with 2hp.

[@SailingSunday]

Yes by memory that sounds about right! I was going to buy 2x vessels and membranes but just thought I would start with 1 for now. But when we get to the US, I’ll buy a 2nd one then to make more water. Quick easy upgrade 😊

[@SailingSunday]

Yes you’re right, we didn’t need the 2hp motor, but it was gifted to us from our friends. I was hoping we may have got 120L out of the 1 membrane with this pump but I was dreaming lol

[@allynonderdonk7577]

@@SailingSunday Having a higher capacity pump just puts more pressure on your membranes. They have a certain capacity curve for production so too big a pump they just push more waste water. Too little water and they don't produce as much. I don't know for sure but you might have enough to upgrade to a single four inch pressure vessel from the two point five. The thing is I don't know if your pump could supply enough water to get it to produce. I do know that your pump is overkill for two of the standard two and a half size pressure vessels. I've never seen a water maker with three of the two and half size ones but I'll bet your pump could make it happen.

[@SailingSunday]

@@allynonderdonk7577 haha, yes I know that now 😆. But we’re pretty happy with the 90-100L but we will definitely get an extra membrane though, just because I know we can 😀

[@allynonderdonk7577]

Hey after talking with you I wondered if I could get another pressure vessel and membrane. Well no...but I think you could have three check out section 3.9.2 on the right minimum flow rates for 2.5 seawater membranes. The minimum is one gpm for a 2.5. Since you have a 2.5gpm at 1200psi I think that reducing the pressure by 1/3 to 800psi would likely result in a rise in flow rate of around one third. So 3.325 gpm for 800psi. Certainly I would think 3gpm...so 3gpm /3 membranes is 1gpm per membrane...the minimum flow rate. With likely a little left over. I don't know if the math would be correct, but if you wanted you could likely get even more production meaning less generator time with a total of three membranes. www.rainmandesal.com/wp-content/uploads/2018/09/dow-filmtec-sw30-manual.pdf www.pwoutlet.com/Horizontal-Shaft-Size-s/45.htm

[@dutchglobetrotter4513]

Great job, I always thought those things off the shelf are way overpriced.

[@SailingSunday]

Thank you! Yes they aren’t cheap, but It’s all the stainless parts that just add up! The off the shelf water makers are just more complex with more parts which is why they cost more. Ours is just cheap because of how basic it is. I would love to compare the differences one day!

[@MicheleMarchiVidi]

thanks man, I was looking crazy at the price of differents watermaker and i think i will do like you.

[@gusoliverbar9392]

Love this project. How many psi‘s is your High pressure water pump, and how many watts does the entire system use per hour?

[@ronaldblankenberg3055]

merry christmas and a happy new tear

[@SailingSunday]

Thank you! Hope you had a great Xmas and NYE!

[@dr123hall]

Best! Detailed parts list!

[@aphilippinesadventure9184]

Great job! Your thumbnail got my sub...I will copy your version...

[@SailingSunday]

Thank you, glad you enjoyed it ❤️☺️

[@SeaYaSailing]

Aweeeee a Finn cameo.......

[@SailingSunday]

❤️😢

[@caliaccarino4416]

Merry Christmas

[@SailingSunday]

Thank you! Hope you had a great Xmas and NYE!

[@marclonte3059]

Looks great

[@SailingSunday]

Thank you 😊

[@Verccina]

Hi there, we were watching your video about the water maker a year ago, dreaming about a sailboat... and here we are, watching back your video in our sailboat in Sicily! ☺ Are you guys planning to add the links for the parts you used? Thank you for this video, it is well explained! ☺

[@markchris007]

Really cool video, but what about flushing the membranes? No need?

[@SailingSunday]

It’s a very simple version, I don’t usually flush the membrane because we live on the boat, I use it every couple of days, but it would be better to add that in. I have just added a strainer higher up on the intake though so I could pickle it while I went to visit family a few months back. I poured the solution in the strainer while I turned it on to run the mixture through the system. When returned I just switched it all on and ran it for a few hours to get rid of the solution and replaced in pre filters again. My PPM is still hovering around 190ppm. The membrane is now approx 18 months old and still making about 100L per hr.

[@XXLaffinGravyXX]

I really hope daddy got some sugar after all this effort mate...Oh and no doubt Brittany did all the animation lol...

[@SailingSunday]

Haha, actually I did it all!!! - Ryan

[@mani0088]

Very nice! Where can I buy the pressure vessel? I didnt find the phoenix shop.

[@rampenkuulumiset4560]

Hi. You've probably compared products from different manufacturers, so it would be nice if you could also tell why you choose this particular Watermaker. Is the price / quality ratio good, etc. comparisons. It's a different matter, if a company has sponsored this product for you, then there is not much weight for that choice. :)

[@MJ-kz9wi]

Hope you are all well . Merry Christmas and Happy New Year. Is this a good time to cross the Atlantic?? Ps Hope the toilet system holds out lol or another video in the making!!

[@SailingSunday]

Thank you! Hope you had a great Xmas and NYE! Yes we are crossing this month, currently in Cape Verde. To be honest, we’re still fixing it. It seems to break every few weeks but I can’t buy the new part where we are 🤮🤮🤢

[@paultonkin256]

Great vid Ryan- Concisely explained. Hope you have a good journey to Mindelo. Where are you you heading on the West side of the Atlantic?

[@SailingSunday]

Hey Paul! Thank you! We still don’t know. We planned on Suriname, but Jackson can’t go now because the US have a temp 6 month ban on Suriname due to a rabies outbreak 😔.. where are you guys???

[@paultonkin256]

@@SailingSunday Hey mate! Can you enter French Guiana? It's 10 times better than Suriname. We spent 4 months there this time last year after crossing from Mindelo. We are now in Cartagena, Colombia, and will move to Panama in a couple of weeks. Hope you have a great crossing, wherever you head to. Make sure you keep a close eye on your running rigging for signs of chafe- It's a real PITA!

[@stephenbirch9436]

Well done you make sound easy. Wet tee composition?? 😄

[@SailingSunday]

Thank you! Yes it’s easy but still complicated at the same time haha

[@aphilippinesadventure9184]

I do not know how long you have been running your system, but I am assuming your high pressure pump was intended for use with seawater to avoid corrosion...?

[@SailingSunday]

Yes all Stainless Steel internals made specifically for salt water application. We have been running it for 6 months now without any issues. Still getting about 9.5-10L / 6minutes @ 90-120ppm

[@aphilippinesadventure9184]

Thanks again, as soon as I get to a few things sorted, I am going to install your version on my Skookum....sensible and affordable!

[@leonorehamer3025]

Where is the list/link to parts, I cannot see them in the description? Thx

[@951porsche951]

Still waiting for the link mate

[@stephenmahoney9531]

👍👍👍👍👍

[@johnyalowica8423]

Do you have a list of parts? Cheers Yukon John

[@SailingSunday]

Not really, It was difficult because bought a lot in Italy and across Europe and now I've just upgraded it to 50-60gal/hr in the US by adding another membrane... but I i'll give you some good useful info to help you. I deleted the puppy pump and it's basically now just: Sea strainer after the seatcock - food grade hose - 20 & 5 Micron filter - food grade hose - Highpressure pump - highpressure hose - PV1 #1 - highpressure hose - PV #2. - Brine output = high pressure hose - dial - needle valve - hose - cockpit seacock. - Freshwater output = food grade tubing - TDS meter - food grade tubing. and I manually put in the tanks or fill bottles. Notes* The HP catpump has a pressure relief valve to protect it and I don't flush the watermaker after every use because we live on the boat 24/7, I use it for about 1 hr or every 30 minutes every 2 days and seems to be ok. The last membrane never went higher than 200ppm after 3 years. I only replaced the membrane because I upgraded it.

[@article2245]

One thing you didn't mention was how many times you flush your system with fresh water and how you do it...normally there are values to allow that but I didn't see anything in your diagrams. Most commercial watermakers say to clean the system very regularly with fresh water to avoid getting a build up in the membrane...I always take product pages with a grain of salt and very interested in your real world testing. So if you give updates on how often you use the system and the maintainance it would be very useful...cheers for a great channel!

[@svlolalouise9763]

Second You trying to catch me out

[@SailingSunday]

Haha!!! Sorry 😊

[@michaelcarman4875]

why drill holes in the hull??

[@SailingSunday]

I re-used thu-hulls. For the intake I used my old seawater foot pump thru-hull in the kitchen. For the brine I put a t-piece into the cockpit drain thru-hull.

[@michaelcarman4875]

@@SailingSunday excellent. thnx!

[@cindycornog8006]

❤️❤️❤️🎄

[@SailingSunday]

Thank you! Hope you had a great Xmas and NYE!

[@artzi67]

A smart guy, even if he just looks like a hippie. 😜

[@SailingSunday]

Haha! Thank you 🤣

[@smulismuli7976]

You dirrrrty wet t-shirt water making peoples sailors;)

[@SailingSunday]

haha!

[@CameronOgilvie1]

This is the most disapointing wet t-shirt video I've ever watched.

[@SailingSunday]

Lol sorry to disappoint 😂

[@garygarnett6469]

The wet T shirt didn’t work at the end 😂😂 I’ve been following you on Marine Traffic see you heading south 👍

[@SailingSunday]

Haha! Sorry to disappoint!!! 😂