Natural Chemistry: Stain Free 1lb

Stain Free™ Extra Strength quickly removes stubborn metal stains. Stain Free™ Extra Strength is a premium stain fighter that contains 100% ascorbic acid. It quickly removes metal staining without adding phosphates to your water. It is ideal for treating staining on all pool surfaces. Use with Natural Chemistry's METALfree™ and you have the ultimate 1-2 combination for stain fighting