Crystallizes metals in water allowing filter to remove them from pool water. Prevents staining of pool surfaces and protects plumbing and equipment. Compatible with all filter types. Apply when water temp is above 60 degrees F. Watch filter pressure and clean or backwash filter accordingly.
Remove or disconnect metal delivery systems (Nature 2 or Frog) before applying.
Add 1 quart of Rust-n-Scale per 10k gallons to remove metals and stains from the pool. If staining is severe use 2 quarts per 10k gallons.