Refined and Robelle 2550 Pool Metal and Stain Remover, 1-Quart

This product helps prevent discoloration of pool water caused by iron, calcium, manganese, copper, and other metals and minerals that may be present in the water supply. It is an excellent general-purpose sequestrant, which helps protect plumbing and pool walls from rust, stain, and scale. This product should be used during all pool openings and closings, as well as throughout the season as needed.

If iron or other metallic contaminants are suspected during the initial filling of the pool, add one quart of Metal Free for every 10,000 gallons of pool water. Introduce the product while the pool is being filled and before adding chlorine.

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 leave the filter pump running. Stop chlorinating the pool and allow the chlorine level to drop to zero. Adjust 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 Metal Free 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 between 7.2 and 7.8 using pH Rise. Resume normal chlorination and pool operation. Swimming may resume once the chlorine residual is between 1.0 and 3.0 ppm.

To make up for the loss of Metal Free due to backwashing and/or splash-out, add one quart of Metal Free for every 20,000 gallons of pool water, once a month.

This product helps remove and prevent the buildup of calcium, cobalt, copper, iron, lead, manganese, nickel, and silver in the pool water.

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