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    Algae guard overdose

    I'm setting up a new pool, 17'x48" around 6,000 gallons and used HTH algae guard that contains 9.96% dimethyl benzyl ammonium chloride. The directions say for initial setup to add 64 ounces to 25,000 gallons of water. Problem is I added the whole gallon or 128 ounces to my pool. Is this safe...