Metal/Mineral Stain-Scale Control “Pro Series Stain & Scale Control”

A metal deactivation agent that prevents staining & discoloration from trace metals such as calcium, iron, copper, and other minerals. Balance pool chemicals properly. If calcium hardness level is over 400 ppm, if metal reading is above .5ppm, or if being used to start-up a newly plastered pool, proceed with double the weekly dosage. Initial dose use 32 oz per 10,000 poured evenly around the pool edges. Do not add through the skimmer. Weekly maintenance dose add 4oz per 10,0000 gallons. Do not add product within two days go adjusting calcium hardness or after a full pool acid bath. (1 gal) (5 GAL)