Jack's Magic Stain Solution #2 The Copper & Scale Stuff 10 Lbs
-Stain Solution #2 is designed to safely and effectively remove copper stains and scale from all types of pool surfaces without draining the pool.
-In most cases, The Copper & Scale Stuff is more effective than acid washing the pool, and will save both time and moeny.
-Must bypass heater when using this product.
-10 pounds per 10,000 gallons.