Natural Chemistry Stain Free provides pool owners with an all-natural stain fighting alternative to harsh chemical treatments.  Its citrus formula is perfect for vinyl and fiberglass-lined pools.

Stainfree is an ascorbic acid product, similar to everyday VitaminC. It is ideal for treating staining to vinyl pool liners and fiberglass pool surfaces. A safe and people friendly alternative to harsh chemicals typically used to treat stains. The bonus is that Stainfree does not create any residual phosphates in your pool water, making it the perfect stain-fighter for use with Natural Chemistry's PHOSfree program!