Stainfree™

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Safely Removes Metal Stains From Pools Stainfree is a citric acid product that removes metal staining on pool liners and finishes. Stainfree is ideal for treating staining on all p ool surfaces and is compatible with all sanitizing systems. Use Natural Chemistry's Metalfree™ and you have the ultimate 1-2 combination for stain fighting! 100% citric acid Safely removed metal stains from pool liners and finishes Effective on all pool surfaces- works great on steps Compatible with all sanitizer systems Show more