BioGuard SoftSwim Stain Control - 1 Qt. Type_Salt System It has the same 100

It has the same 100 square feet

An inside fit front for the Heatilator Caliber 36

It clears on its own

don’t use soap to clean it

BioGuard SoftSwim Stain Control - 1 Qt. Type_Salt System It has the same 100BioGuard SoftSwim Stain Control 1 Qt. Overview BioGuard SoftSwim Stain Control helps prevent metals from settling in the water and staining pool surfaces. This product is intended for use in pools with plaster surfaces, or on any surface where dissolved metals such as iron, copper and manganese are present. Stain Control also helps maintain the presence of SoftSwim B and C. Each SoftSwim product is formulated to work specifically with the biguanide