liquid bleach on sale

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Ollies having their sale this weekend, how many gallons do you usually buy to get through the season?

Roughly, I know everyones quantity will vary, but just to get an idea.

 

[atttech-2]

I would say might want to think about no more than 2 to 3 months wort depending on how cool of a place you have to store it. It loses strength depending on temp and time. chem geek posted this page long ago that gives an idea of shelf life of various concentrations. Assume maybe 2 ppm per day and use pool math to come up with an approximation. Or better yet if you have a log of you use form last year you can get a real good idea.