The Purple Stuff - by Jack's Magic - 1 qt.
Specially formulated for salt pools! Powerful stain preventing formula, perfect for pools with a highTDS (total dissolved solids) levels. The Purple Stuff by Jack's Magic Helps prevent scaling of chlorine generator electrodesInitial Dosage:32 oz per 10,000 gallonsMaintenance Dosage:6-8 oz per 10,000 gallons bi-weekly