How to Shampoo the Lawn

In this video I show you how to apply regular baby shampoo to the lawn to act as a soil conditioner. The shampoo contains surfactants that will allow wetter to better penetrate into the soil.
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[@eddieespinosa8743]

I did this on my lawn and it really worked well

[@rmb5858]

Excellent video. I really enjoy watching. Nice to see a fellow lawn enthusiast out there

[@ryanknorrlawncare]

Thanks for watching!

[@kevinm8865]

03:52 ... Beautifully mulched tree. It's refreshing to see people do it right.

[@ronhughley6510]

I like that sprinkler. looks like it covers alot of area.

[@socomon69]

I use dawn dish soap. Same idea. Been working well for me. I just finished spraying. I do it about once a month.

[@ryanknorrlawncare]

yes I've heard that works as well. glad it's going well for you

[@RoyalHam]

How long do you have to wait for the solution to penetrate the lawn before watering?

[@socomon69]

@@RoyalHam no time as best I can tell.

[@sfdvlamify]

Ryan, thanks for the video. I am going to try it out.

[@ryanknorrlawncare]

Give it a shot!

[@willjameson8433]

What kind of sprinkler are you using at the end of your video to water the lawn? It looks like you simply attached this sprinkler to your hose and move it around the lawn as needed. I've been looking everywhere online and can't seem to find it. Any help or assistance would be greatly appreciated!

[@medqueen1]

Dope mix Bro!

[@treygreenleaf7878]

Would this be like a cheaper form or replacement for liquid aerating?

[@anthonyelias8172]

Is there a difference between this and liquid aeration?

[@taylorfreeman5205]

When do you recommend shampooing the lawn. I plan on dethatching, scarifying and overseeing but am wondering if / how long I would need to wait to do this to prevent damage to the seed.

[@skyline5354]

Can you do this to garden beds? Soil around my plants/bushes doesn’t absorb water very well

[@JohnPham2015]

So what the result after a week or two, does the lawn get thicker? greener? any giant weeds ?

[@eldogo1]

Hey, do you have a link to the sprinkler you used at the end of the video?

[@bernardplanko6780]

Hi, when its best to use, also before seeding before autumn or cold months???

[@tommygomez5343]

A section of my lawn has clay soil. Would applying soap like this help improve / condition the clay soil ?

[@americanpatriot4080]

I use Dawn, it works great!

[@NoirMorter]

I'm in the midwest with a bad looking lawn and garden, would august be the wrong time to start this?

[@CHB_98]

Will this help a lawn that has heat stress ? My yard gets really dry fast with any heat even after watering

[@jsrocker1776]

How long does this last/how often to reapply?

[@brucedick1506]

i see this video is 6 years ago. just wondering how did it work and how often do you spray it?

[@hankgugler-us7yg]

Ryan, after you put down baby shampoo, how long should I wait to put down fertilzer?

[@josephbiron9103]

What do you think about using a pump sprayer? My property has a lot of trees and beds and fencing so walking around with the hose is cumbersome.

[@ryanknorrlawncare]

I'm sure you could use a pump sprayer. It would basically be the same idea you would just have to figure out 1k sq feet and spray out evenly over that area with the sprayer.

[@MsBranNu]

Can I use your iron and Kentucky grass seed in Michigan

[@freddiev6050]

Interesting! I'm going to give it a shot! lol

[@pappagiorgio1675]

Awesome video! I'll have to give it a shot since my clay soil loves to compact!

[@ryanknorrlawncare]

Good luck!

[@Michael-qj4vj]

You should try the Epson salt treatment and see if it really works.

[@coachm86]

very educational video and love the music

[@ryanknorrlawncare]

Thanks for watching!

[@coachm86]

***** no problem sir

[@fishalcoholic]

Well done. Thank you. I am confused however. Why would we dilute the soap? My hose end sprayer has settings from teaspoons to fl. oz's of solution per gallon of water sprayed. I might be over thinking a bit :)

[@andyboy13]

Might be too thick to siphon properly

[@carlstrom3898]

Can you use an ortho sprayer for that

[@rexaril4507]

my sprayer recommends not adding water inside of it. will i be alright?

[@jacquesvictor4232]

Isnt there away to hook that into your irrigation system for more uniformal coverage? Could use the same meathod for liquid ferts as well as herbicide. Great video and advice.

[@KennyLarson]

Look up fertigation systems like EZFlow

[@scottlandb6579]

So do you add the surfactant prior to adding something like tenacity? Is this in days? Or can you do both at the same time?

[@ryanknorrlawncare]

You can add surfactant directly to the mix with tenacity

[@PNWLawnGuy]

How does the baby shampoo compare with some of your newer videos with surfactants that are specifically designed for lawns?

[@tthams73]

Crickets..... 🦗

[@tougefreak]

Will this work for clay soil which is very compact and hard?

[@ryanknorrlawncare]

My soil is partially clay so I can't say for sure but it really won't hurt anything to try.

[@ishnifusmeadle]

haha I liked it. funny. Chrisfix has woooodah (water), Ave has....well....just about everything he says is a touch crazy, and here in Maine we have "ahh"......cahhh (car), hahbah (harbor), theyah (there), you get the picture. love hearing other's pronunciation/accents.

[@ryanknorrlawncare]

My minnesota accent isn't nearly what it should be. I always wished it was stronger!

[@DS-zo8xs]

Wow your lawn looks... I mean smells great. Lol

[@LambeauLeeeper]

Should i use a conditioner as well? 😎😎

[@SG-jv5zi]

kzbin.info/www/bejne/gom0fqKvnbWBgKM :o)

[@spicemasterii6775]

Sure. And also make sure you rinse and repeat.

[@jackau1]

🤣🤣🤣🤣🤣so 👍 good 🔥🤣🔥🔥🤣

[@Tztimelord]

How many times should we do this? Everyday? Everyweek?

[@rudy5454]

Would you recommend using Pete moss with grass seeds when overseediing?

[@DJDOUBLE077]

I always use pest moss as top dress when seeding

[@TheBaccaClench]

Nice video

[@ryanknorrlawncare]

Thanks for watching!

[@davidamarquez]

What if after the shampoo and irrigation, the grass is laying down. Should I use Aqua Net hair spray? 😏

[@avalanwa]

😂🤣😂🤣😂🤣

[@streetstylz]

How long do you run the sprinkler? What's your watering schedule like?

[@ryanknorrlawncare]

You want to run it as long as it takes to get about an inch of water on the lawn. That depends on a lot of factors but you can put out a rain gauge while using the sprinkler to figure it out. My backyard will still be showing stress even with an inch of water per week if it's super hot (it gets full sun all day long) so I try to spread it out a little bit more like a good soaking every few days or so.

[@RoyalHam]

How long do you have to wait for the solution to penetrate the lawn before watering?

[@mrmsbhvn]

I don’t think it really penetrates, I think watering it in is what gets it down into the soil.

[@bradenballard6995]

What letter setting do u mow on with the time master

[@ryanknorrlawncare]

I am mowing on letter C

[@CaptainQueue]

Has anyone ever thought of using Simple Green? Their own web page says it is a non-ionic surfactant.

[@ghaffarim]

Hi Ryan, I shampoo my lawn using Jerry Baker recipe to make it green and I got reverse results. After few days I felt that my lawn started get yellow. When I investigated more carefully I found a layer stayed on soil, initially I thought it is a layer of fungus but later I found that is a layer of dried foam. Is it fine? Do you have any suggestion that how can I save my lawn? Here was my recipe : 1 Cup of Baby Shampoo 1 Cup CORN SYRUP 1 Cup of Regular Cola 1 Cup of Ammonia P.S.1 The current temperature is 70 in day but we had a two days around 87. P.S.2 I mow the lawn two day before I applied the tonic. (1/3) Thanks for your kind and prompt reply in advance.

[@ryanknorrlawncare]

I'd just water it heavily with clean water and try that. I've only ever used shampoo by itself

[@JDCUSA]

Jerry's tonics seem to always work well for my lawn.

[@ghaffarim]

Thanks for your reply. Did you observe any negative change when you apply and how long it will take to get affect...

[@TheBaccaClench]

Should I shampoo when I put down new seed, like overseeding?

[@ryanknorrlawncare]

SwagSubscriber I have not tried that. I'm not sure if it would interfere or not?

[@TheBaccaClench]

ryanknorr I read some forums of it helping out, so might as well try it out. I don't know what sprayer to get though. A lot of mixed reviews with these Jose end sprayers.

[@digitalmixer]

What's the difference between shampooing your lawn and putting liquid detergent on it and what do you recommend for shampooing your lawn

[@ryanknorrlawncare]

Check out my video on "does liquid aeration work?" I recommend that product instead of shampoo as it's more concentrated and works more quickly.

[@mrmsbhvn]

@@ryanknorrlawncare Link?

[@LemonySnicket-EUC]

@@mrmsbhvn look in his video section..

[@chadsouders6457]

How often can I use surfactant?

[@jake00008]

That would be a good thing to do after spreading milorgnite , to redue the smell.

[@ryanknorrlawncare]

That might be a very interesting mixture!

[@chriskozub8012]

Jacob Sicard you don’t like the smell of success?

[@rkba4923]

People PooPoo from Milwaukee!

[@mikeannas5689]

Surfactants are used on golf course greens during the summer when it's hot and dry. It comes in a tablet form that is dropped in a hose in sprayer to apply and that tablet is the same as using liquid soap or tide or any other soap with out the bacteria kind to help water penetrate through the soil...

[@Mikebike68]

Ryan, what do you think about this current day? I’m thinking about doing this soon for the spring. Expecting rain and ground is all cracked and dry.

[@ryanknorrlawncare]

I still use wetting agents to this day. Shampoo is fine but there are some other technologies out as well

[@Mikebike68]

@@ryanknorrlawncare Thanks Ryan. I have your liquid aeration product and used it last year with pretty good results but I’m almost out and might try some shampoo for this next round.

[@0truckmafk]

The surfactant is for getting pesticides to penetrate the oily or waxy leaves of certain weeds like clover if you want to get rid of clover.

[@LemonySnicket-EUC]

soil surfactant here

[@mjanssen1255]

Non ionic surfactants are used for sticking herbicides/pesticides to it's target. Ionic surfactants (baby shampoo) are used to break surface tension and make soil more permeable. Two totally different surfactants

[@0truckmafk]

@@mjanssen1255 Interesting.

[@PhillipAeschliman]

Does this have any benefits for bugs in the grass as well?

[@ryanknorrlawncare]

Not that I'm aware of

[@anneclark1330]

I read on another site that Dawn helps w fleas and ticks. And it should be okay with animals. It's used to clean water birds after an oil spill. Remember the commercials?

[@jnorth9702]

Do you still do this, 3 years later or something different? Thank you for sharing.

[@LonghornsLegend]

I do every yearin Texas. If you really want a boost do this with an application of hydretain

[@JackStefanski]

Believe he uses Lawn loosener by Simple Lawn Solutions. He has a video on that more recently

[@jnorth9702]

@@JackStefanski Thank you for replying! Appreciated.

[@steverupert6988]

@@LonghornsLegend Can you explain this process more?

[@LonghornsLegend]

@@steverupert6988 sure. Baby shampoo makes your lawn more water soluble and allows water to get deep to the roots which is more effective and also breaks up hard soil so you do that first and water it in. Hydretain needs wet grass to be applied first so you can apply immediately after, and the Hydretain gets attached to the roots a lot easier. They work hand in hand with drought and heat stress, and also making the most out of your watering schedule. I'm in Texas and it's been over 100 for months and my grass has able to stay dark green. If you want to go the extra mile, I add in some 'Revive' sold by home Depot or Amazon. Using all 3 together has been my summer secret for high temps

[@TIVAJAVA-qo7ms]

Just wondering if shampooing has any effects on earthworms???

[@ryanknorrlawncare]

I didn't shampoo too often but any time I've dug into my yard for any landscaping etc there's always tons of worms in there.

[@Trivi121]

Would this also be considered liquid aeration?

[@ryanknorrlawncare]

Not really...this being used as a wetting agent

[@emmottataolcom]

well.....did it work?

[@jamesgranger8410]

On my ortho sprayer it says in bold letters do not add water do not add water it’s my first time using this product as well I’ve been watching KZbin for two years on Lawn Care and this is the first time I’ve heard of shampoo for water retention

[@bosstoby3054]

What about if my yard have dandruff should I try Head and Shoulders😂

[@JK_RANBIRSINGH]

You dumb sick axx.....lol...!!!

[@ridethepace6005]

Doesn't the surfactant act as a barrier to oxygen

[@sirmonk23]

What brand is your impact sprinkler?

[@ryanknorrlawncare]

Gilmour. I've had a couple for a few years now and they work great.

[@sirmonk23]

+ryanknorr thanks. I have an irrigation system but I live in California and we have a draught 😕 thinking to spot water with an impact sprinkler

[@danialkhan199]

I liked the fact that you gave a starting measurement on how much to use per 1000 sq feet.

[@83jbbentley]

You add surfactants to weed killers to pull the oil off the 🌱. It makes it more effective.

[@drumermp]

josh bentley83 exactly what I was thinking, and do. Didn't know about this trick tho! I'll have to try that

[@scottlandb6579]

So do you add the surfactant prior to adding something like tenacity? Is this in days? Or can you do both at the same time?

[@kencorby6801]

Does the lawn bubble up when it rains?

[@ryanknorrlawncare]

I don't think I've seen this happen yet. Maybe if you put a ton of shampoo on it would!

[@tiger-g8031]

Ken Corby ksifogltto

[@johnathanpinkerton]

YAAS INTRO SLAPS! Background music....but that lack of ppe.... B-

[@kirktitgen6395]

Great Video. Can I apply this even during hot temps of about 85-90 F?

[@ryanknorrlawncare]

I would do it early morning or early evening and makes sure to water it in afterward.

[@kirktitgen6395]

Thanks!

[@yumpinyiminy963]

Can you use this in place of a liquid aeration product?

[@jonathanwang6230]

Yes. It is probably a little more risky nobody knows the perfect amount to their lawn. The key ingredient in shampoo is sodium laurel sulfate, kind of like baking soda. It breaks down things leaving gaps between substances same as shampoo breaks down oil and few other substances on hair and scalp. Putting too much is obviously not a good thing for your lawn, you don't want to break up the grass roots, only the dirt. Same with your hair, if you shampoo too much or the shampoo is too strong for your baby or your head, it will cause dry scalp or have more hair falling off. That's why we use a milder form of shampoo like baby shampoo and especially use it at a 1% to 2% concentration or 1 - 2 ounce per gallon of water.

[@Eli-qr9hc]

SKOL from Greenville SC

[@worldpeace5853]

Can I use miracle gro sprayer for this?

[@mrmsbhvn]

That’s exactly what I’m wondering - it looks like his sprayer doesn’t allow for a rate adjustments. I have a miracle grow sprayer as well that allows for how many ounces per, so I guess I just put the dish soap in the street and set it for 5 ounces per gallon or something.

[@worldpeace5853]

@@mrmsbhvn You don’t really need metrics as such for spraying shampoo as long as you have the ounces required. It’s a flat 3 ounces here. You need metrics to spray say humic acid, fertilome liquid iron etc since it specifically asks for a particular rate/sq feet as per their tested specs. Ortho displaces 2 gallons/minute and you need to adjust the dial as per your walking rate/1000 sq ft. Having said that I am curious to know if ortho dial can be used since it has a filter inside. I am wondering how it works with shampoo when it displaces the water mixed inside.

[@mrmsbhvn]

@@worldpeace5853 I think I understand what you are saying; "metrics" =amount/quantity, so soap isn't significant as to the % put down same as products/chemicals. Gotcha, thx. As for the dial sprayers, well-mine doesn't fill with water as it sprays. It just venturi/siphons the cup/product up through a straw/hose, I think that the amount is set by changing the setting dial as to the amount.

[@worldpeace5853]

@@mrmsbhvn Yes. Say for example you need to spray humic acid via ortho dial spray at the rate of 6 Oz per 1000 sq ft. You put 6 ounces of humic acid and the rest water up to 26 ounces. The standard setting is to turn the dial to 8 Oz. Since the sprayer displaces water up to 2 Gallons/minute it now displaces 8 ounces x 2 gallons i.e 16 ounces of mixed solution per minute. You now have up to 2 minutes to spray the 32 ounces on the 1000 sq ft you in which 6 ounces of humic acid is already mixed. Walk at a medium to brisk pace. If it’s fast turn down settings and recalculate the time required.

[@DJLloydy]

Nice video! What music is that you are using?

[@ryanknorrlawncare]

It's just some copyright free music you can use on youtube. I believe this was Otis McDonald and the song was called Ever Felt Pt1

[@hdmoviesource]

How many Tablespoons per 1000x ft was it set to?

[@mrmsbhvn]

I don’t see any replies to many many questions here several years old. . . Kind of defeats the purpose of me asking a question about a sprayer that has a dial to select how many ounces, versus Ryan’s. It looks like that sprayer is direct, so I’m not sure how they compare.

[@MrGatya2]

I don't think you need to worry about the dial. The dial sets the concentration of the stuff (X oz per gallon) it is important for pesticides that need specific concentration. Here you just need to calculate your spraying speed. Ex.: he put in 3 oz and water, so by the time the bottle finishes he hast to evenly spray the 1000 sqf. So if you set it to dilute a lot, then you spray slower (with more water) and if you dilute it less, then you would have to walk faster.

[@mrmsbhvn]

@@MrGatya2 Normally the SOP is to maintain a pattern and speed while walking across the area for laying down the sprayed liquid. He puts 3 oz in water. . . . but how much water, probably (looks like) a quart. So if that is constant, but the concentration is set low, like 1 oz per gallon, that what will cover the soil, but if the dilution is set high, like 20 oz per gal, that is a crazy difference. Hence my question wondering the recommended spray setting

[@Egleone6]

Did you notice any results

[@ubon39]

Will it kill the moths in my grass?

[@MrFlacotv]

what kind of sprikler do you have

[@ryanknorrlawncare]

gilmour

[@MrFlacotv]

+ryanknorr do you have a model #

[@ryanknorrlawncare]

this is it: amzn.com/B0036G6J0U

[@MrFlacotv]

+ryanknorr thanks

[@maggarlion]

Ryan although I am cheap I prefer to buy real surfactants like Soaker Plus and Methylated Seed oil. I am having a severe crab grass problem this yr because I did not do a premergent in early spring as I was out of the country for 2 months on business. By the time i came back it was too late for a premergent. They came out wtih a vengeance on mylawn this summer and I am determined not to make them overwhelm my lawn.

[@ryanknorrlawncare]

Quinclorac is the best option but also remember they are annual so a hard freeze will do them in this year and then pre-emergent next

[@WayneMay]

For how long, and how often do you apply this? I have some parts where I can stick a screwdriver into the lawn about 10" deep, and other parts where I struggle to get to 2". Before I rip it all start over, I want to give this a try.

[@ryanknorrlawncare]

Worked best for me if you do it weekly for at least 3 weeks on those spots you are talking about. Make sure to water the areas after you apply shampoo because the whole point is that it helps the water to better penetrate into the soil.

[@GrassDaddy]

I prefer to do it while the kids are in the lawn. The old people down the street don't like it but they don't know what I'm spraying hahahaa

[@ryanknorrlawncare]

That is hilarious!

[@Jaybass1977]

I like both of you guys channels - along with the Lawn Care Nut - Ryan have you noticed the difference two weeks later? I've also seen some videos for home mixtures to use in conjunction with the surfactant that helps the soil.

[@ryanknorrlawncare]

It finally cooled down here this past weekend and I got a good soaking on the yard. Right now it looks like it's really coming back so I think it helped some for sure. I might do a little bit more testing on some of my rougher areas of the lawn to see what difference it makes.

[@valleygirl670]

Ryan thanks for the video. Watching again one year later. I cant see the part you did not tell us what setting on the sprayer your using thx

[@cosmokramer643]

Hey Grass Daddy or Ryan Knorr I have a question. I just planted northern white cedars around the perimeter of my property, will it hurt the new trees to spray the shampoo mixture around them?

[@g0ldensample21]

Can you use car wash soap?

[@thomascleavenger1638]

Why would you want to do that, it's expensive.

[@chieflouie2821]

I watched your liquid aeration video before this. I just spent $35 on soap.

[@ryanknorrlawncare]

Different concentration compared to shampoo

[@jrbarden80]

@@ryanknorrlawncare Does the Liquid Aeration work better than this soap concoction?

[@theodoricatkins7296]

I love the them music ,and plus the lawm .

[@ryanknorrlawncare]

Thanks!

[@JL-qo7cs]

Isn't it supposed to be used with some form of herbicide, to make it stick better? To kill weeds that is.

[@ryanknorrlawncare]

it works for this as well. you can spray it alone as well to be used as a soil conditioner

[@joelthompson6296]

Purple hair dye?

[@lisalincoln4499]

Is this something you still put into practice Ryan?

[@ryanknorrlawncare]

I use this now - amzn.to/32aJnGI

[@lenzkevn]

So the liquid aerator you bought on Amazon is significantly better then using the baby shampoo approach?

[@LemonySnicket-EUC]

@@lenzkevn do a test comparison with each for yourself.

[@kevindowe]

Your lawn is looking great! We're hot and dry here in Michigan as well. Are you a fan of sun and shade or Kentucky blue? I ask because your color is looking rich during the current dry spell.

[@ryanknorrlawncare]

Color is not as good as it could be but it's hanging on...barely. Haha This grass here is 100% kentucky bluegrass and I like it but it takes a lot of maintenance (fertilizer, water, etc) I'm trying to decide about maybe changing my front and side yards to more of a turf type tall fescue since there is already some of it mixed in anyway.

[@Danny19411]

I am planning to do this but I just put down some seed. Will this hurt my germination?

[@ryanknorrlawncare]

I don't believe it will but if you wanted to let the grass come up a little bit and then use it you should be fine

[@Danny19411]

Ok it looks like it didn’t hurt my seeds. I choose to chance it and spray anyway because my lawn was getting two wet because the soil wasn’t absorbing fast enough all the rain water we have been getting. So long story short my seeds are coming up nicely even after two applications of this a few days apart after I over seeded. It took a little longer for the grass to come up but I think it was due to us still having chilly temperatures here in the northwest.

[@bobbyf3466]

What is the name of that song?

[@alexh8754]

the times before the sponsorships. wonderful times

[@robhernandez4567]

This sounds like A Dr Dre beat. 😅 Then I hear Epic Fail Epic Fail. Its Funny because Im Bopping my head to the beat watching a Grass video. And the kids are short a bottle of Shampoo. 😅. Nah but this really does work. I do it 1 or 2wice a month.

[@richfarfugnuven6308]

the music sounds like its saying epic fail, fail.

[@jbond7420]

Elon Blunt , your a jerk, his yard is not yellow

[@EduKSA]

@The TacomaKid top notch trolling XD you are a legend

[@nalaka3488]

I can't unhear it now. It does sound like that lol

[@delvissimmonds3224]

😂

[@lianagilbert61]

soap is alkaline. maybe kills some bugs too.

[@GiovanniGiorgo]

Baby shampoo doesn't have any soap in it, it should almost dead neutral.

[@DJDOUBLE077]

I just used baby shampoo...waiting on the results. It's supposed to rain today.

[@edwardmajka3144]

Marathon Watching 6/6/22 Shampoo the Lawn ?! Ok, that’s different...

[@Torpedomtb]

The intro explanation was not really that informative. What is this suppose to do? Vid said let the water run through the soil quicker? A comment made it loosens compacted soil? Can you explain more details what this does or results from it?

[@ryanknorrlawncare]

It helps the water soak into the soil a little bit better. Not a miracle worker but I did a few experiments where it showed that the areas that I used it were growing better than the areas I did not. If you used it over and over it should help with compaction as well. I'm not sure by how much but some swear by it. I still prefer to core aerate for compaction.

[@stevenson46323]

Then you rinse and repeat. 😂

[@andrewkennedy9704]

Captain beat me to it.😂

[@01redcrew]

any update how did it work

[@ryanknorrlawncare]

This past weekend it finally cooled down and I got a good soaking on the yard. It actually looks pretty good now after being a little stressed from the heat before. I plan to do a little further testing that hopefully I will film as well so stay tuned.

[@jamesbeaet5135]

no more tears

[@ryanknorrlawncare]

Haha...the lawn is only currently crying because it's 90 every day and hasn't rained in weeks.

[@Max-po5sx]

look man I don't know if this is some joke video but they do make commercial grade surfactants. So my point is a surfactant is to lower surface tension when applying herbicide or insecticides to the foliage of a plant. so if you buy Roundup it already has a surfactant in it. if you buy "reward" a surface killing herbicide only it does not have a surfactant in it. In order to make it stick better you add a surfactant. in conclusion, I do not know why you're adding a surfactant to your grass with nothing else??? as far as I know a surfactant by itself doesn't do anything for the soil Maybe you can prove me wrong?

[@ryanknorrlawncare]

Golf courses use them on greens all the time to help the water to better soak in so they don't have to water as much. I did some testing on a spot in my yard and it grew better and thicker than the areas next to it where I did not use any soap.

[@bigdaddyvtec]

Do you know what dish soap does to water?

[@workingcountry1776]

Ryan Knorr Lawn Care exactly. Back in my golf course maintenance days we used commercial surfactants on greens and other high compaction areas to get them to take water.