Applied Biochemists Staintrine Size:1 qt This product helps the filter

This product helps the filter remove tiny particles of dirt

A properly balanced alkalinity level will also give swimmers much more comfortable water with minimal skin or eye irritation

This product is generally easier to use and store than liquid muriatic acid

It is compatible with chlorine

When combined with the TruTest Spa Digital Test Strip Reader

Applied Biochemists Staintrine Size:1 qt This product helps the filterApplied Biochemists Staintrine is a dual action formula that combines a stain remover with a sequestering agent to quickly remove even the most stubborn stains. Its professional strength, easy to use formula can be applied without draining your pool and swimming can resume immediately after treatment. No testing is required with this product. Simply treat your pool and follow with weekly doses of Applied Biochemists Resit to prevent future staining.