Jack's Magic The Magenta Stuff, 1 qt.

REMOVES METALIC STAINS AND SCALING AND REDUCES PHOSPHATES The Magenta Stuff is the most advanced start-up and stain-fighting product available for a beautiful, stain-free pool! Fast-acting and long-lasting, The Magenta Stuff helps removes stains & scale and protects all pool finishes from staining & scaling. Highly effective in all pool sanitizer systems including salt chlorine generators, The Magenta Stuff cleans and helps prevent scaling of salt cells, helping to extend cell life; it will not yield phosphates. The Magenta Stuff is 50% Stronger than other leading products. One quart treats 15,000 gallons.