Jack's Magic The Copper & Scale Stuff 2#

The Iron, Cobalt & Spot Etching Stuff will normally remove these stains easily and effectively within 48 hours.

(STAIN SOLUTION #1) is a non-acidic product for removing iron, cobalt, and spot-etching stains from all types of pool surfaces without draining the pool. The Iron, Cobalt & Spot Etching Stuff will normally remove these stains easily and effectively within 48 hours, with minimal rebalancing of other pool chemical products.