So that's 5 gallons of ultra bleach (that's what Watermom meant by 1 gallon raising FC by 3ppm--that's Ultra bleach. One gallon of regular bleach will only raise it by 2.5ppm--so you'd need 6 gallons of that.)
So that's 5 gallons of ultra bleach (that's what Watermom meant by 1 gallon raising FC by 3ppm--that's Ultra bleach. One gallon of regular bleach will only raise it by 2.5ppm--so you'd need 6 gallons of that.)
Carl
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