Stainfree is a citric acid product that removes metal staining on pool liners and finishes. Stainfree is ideal for treating staining on all pool 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
Removes metal stains from pool liners and finishes
Effective on all pool surfaces- works great on steps