Chlorine Question

nraged

Well-Known Member
So I need to flush my plants. Normally I do this with some rain water since I have a rain barrell. It hasnt rained here for almost a week and I had to clean the barrell out cause algae was forming. How long do you think it would take to dissipate the chlorine out of a 55 gallon drum. I probably would only need to fill it half full to do the flush. What you guys think? Any help will be greatly appreciated.
 
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