Jack's Magic The Iron, Cobalt & Spot Etching Stuff (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.
Rapid treatment of iron stains, etching and cobalt stains
Great for fiberglass and vinyl liner pools
Non-Acidic and Non-Toxic, why use acid if you don't have to
