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.
Dosage: 2 lbs per 12,000 gallons.
NOTE: Please use a Stain Identification Kit first to ensure you are purchasing the correct product. The use of a sequestrant is required to filter out the stain.
