Quote:
Originally Posted by Pete'sMH
Wow. That’s a lot of bleach! I’ve always heard the recipe is 1/4 CUP of bleach per 15 gallons of water capacity. So I use just 1 1/4 cups for my 75 gallon system (or a splash more to account for the water heater).
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That’s the same. 1/4 cup to 1 gallon per 15 gallons or 1 1/4 cup for 73 gallon tank.