Sundance® MicroClean® Ultra Outer Filter (6473-165) 850 Series Product Dosage 4 ounces per

Product Dosage 4 ounces per 100 gallons of water to raise calcium 40 ppm

Apply slowly and directly into swimming pool water while walking around the deep end of the swimming pool

Brush spots daily to remove dead algae

This chlorine shock dissipates rapidly

Sundance® MicroClean® Ultra Outer Filter (6473-165) 850 Series Product Dosage 4 ounces perSundance 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.