Sundance® MicroClean® Ultra Outer Filter (6473-165) Spa Algaecide Sirona Chlorine Granules will not

Sirona Chlorine Granules will not leave behind any residues and will completely dissolve rapidly in the spa

add BioGuard SoftSwim Stain Control directly to the pool in the area of the stain

Add 30 grams (6 teaspoons) of this product per 300 gallons of water directly to the spa or hot tub with circulation system on

This product works only with pools on the SoftSwim program

Shock: Add 2 tablespoons or 1 ounce of this product for every 500 gallons of water

Sundance® MicroClean® Ultra Outer Filter (6473-165) Spa Algaecide Sirona Chlorine Granules will notSundance Spas MicroClean Ultra Outer Filter, Part #6472 165 Outer filter only, inner filter sold seperately, Part #6473 164 Works with the following models: All 880 Series 2009+ All 850 and 880 Series 2005 2008 2009+ Maxxus , Optima , Cameo , Majesta , Altamar , Marin , Capri Original Sundance Parts, No Generics.