Jacks Magic The Blue Stuff 1 Qt
SPECIFICALLY DESIGNED FOR COPPER STAINS AND POOLS WITH A HEATER! Prevents and aids in the removal of copper and metal stains on all pool finishes.Professional strength pool stain chemical works well in high chlorine levels.Initial Dosage: 32 oz. per 10,000 gallonsMaintenance Dosage: 6-8 oz. per 10,000 gallons bi-weekly.