Robelle 2550-04 Pool Metal and Stain Remover, 4-Pack

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This versatile product helps prevent discoloration of pool water by effectively sequestering iron, calcium, manganese, copper, and other metals and minerals that may be present in the water supply. It serves as an excellent general-purpose sequestrant, protecting plumbing and pool walls from the detrimental effects of rust, staining, and scale formation.

For the initial filling of a pool, if iron or other metallic contaminants are suspected, add one quart of the product per 10,000 gallons of pool water during the filling process and before the addition of chlorine. This helps ensure the pool water is properly conditioned from the outset.

To correct an existing colored water problem caused by the presence of minerals in the pool water, first close the pool to all swimmers and keep the filter pump running. Stop chlorinating the pool and allow the chlorine level to drop to zero. Lower the pH of the pool water to 6.8 using pH Lower, which will help re-dissolve the metallic impurities. Then, add one quart of the product per 10,000 gallons of water and allow the pool water to circulate overnight or until the water is clear. Afterward, re-adjust the pH of the pool water to the recommended range of 7.2-7.8 using pH Rise. Resume normal chlorination and pool operation, and swimming may resume once the chlorine residual is between 1.0-3.0 ppm.

To maintain the effectiveness of the product and compensate for losses due to backwashing and/or splash-out, add one quart of the product per 20,000 gallons of pool water, once each month.

This versatile product helps remove and prevent the buildup of various metals, including calcium, cobalt, copper, iron, lead, manganese, nickel, and silver, making it an essential tool for maintaining a healthy and visually appealing pool environment.

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