Jack's Magic The Sapphire Stuff Size:1 qt Convenient 1-gallon container provides multiple

Convenient 1-gallon container provides multiple treatments with predictable dosing

These crystals are GMP certified

and can be diluted for any preference of strength of cleaning

and a smooth interior for efficient water flow

Effectively cleans pool decks

Jack's Magic The Sapphire Stuff Size:1 qt Convenient 1-gallon container provides multipleJack's Magic The Sapphire Stuff is a great choice for any pool owner looking to prevent scale, staining, scum lines and foaming while getting crystal clear water quality. Its powerful 4 in 1 liquid formula combines a clarifier, flocculent, chelating agent and sequestrant to quickly group together microscopic contaminants into large enough particles to be trapped the pool filter, while being much easier to apply than granular alternatives. Best of all,