JKM1001 Features: * Highly effective stain remover * For best results: Use Jack"s Magic The Stain ID Kit to confirm that Stain Solution #1 best removes stain * Non-acidic formulation * Removes Iron, Cobalt and organic stains quickly * Replaces the need to drain and acid wash Options: * Available in 1 lb. and 2 lb sizes Color/Finish: * Safe for all pool finishes when used as directed Specifications: * Part of Jack"s Magic Stain Program (Step 2 Removal)