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re: Pressure Wash for Concrete - Pretreatment?
Posted on 5/5/24 at 9:57 am to Knucklehead
Posted on 5/5/24 at 9:57 am to Knucklehead
Last time I pre treated with a little dawn and pool chlorine.
Post treated with just pool chlorine.
Mix rate was around 1 cup per gallon of water in a pump sprayer.
To save time I used a 10 gallon pump sprayer hooked up to my lawn mower battery.
No black lines.
Been 2 years and driveway still looks pretty good because there are no lines.
Neighbors had big crew at their house recently.
Didn't pre treat and after it rains it already looks like shite.
Gotta kill that organic material.
Just give the surrounding grass a good soak before applying chlorine.
Post treated with just pool chlorine.
Mix rate was around 1 cup per gallon of water in a pump sprayer.
To save time I used a 10 gallon pump sprayer hooked up to my lawn mower battery.
No black lines.
Been 2 years and driveway still looks pretty good because there are no lines.
Neighbors had big crew at their house recently.
Didn't pre treat and after it rains it already looks like shite.
Gotta kill that organic material.
Just give the surrounding grass a good soak before applying chlorine.
This post was edited on 5/5/24 at 10:01 am
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