12.5% Sodium Hypochlorite 55 GAL.

House Wash Bleach Hypochlorite Drum Barrel
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Price $189.95
12.5 % "bleach" as most people call it or "house wash" is actually sodium hypochlorite. This is a very concentrated percentage and is to only be used by professionals with safety gear. Great for mold, mildew, grime, and removal and sanitizing most stains.