GLB Dichlor Chlorine Granular 25 lb Pail | GLGR25 C8311 this partial grid features an

this partial grid features an open-slot collar with two notches for secure manifold engagement and is built with high-grade DE filter fabric and reinforced seaming for lasting pressure resistance

replacement filter cartridge engineered to OEM-grade specifications for the Sta-Rite Posi-Flo II PTM70 filter

chemical-resistant mesh screen

8 hours: 60

GLB Dichlor Chlorine Granular 25 lb Pail | GLGR25 C8311 this partial grid features anSize: 25 lb Pail GLB Granular dichlor dissolves quickly and completely for easy pool sanitization and daily chlorination. Features and Benefits: Contains 56% available chlorine Add directly to pool water as needed to maintain 1 4 ppm free chlorine level May be used to shock treat pool water Shock: 16 oz 1 lb per 10,000 gallons to shock pool Monitor the pool chlorine level to ensure it returns to 1. 0 to 1. 5 ppm before re opening for swimmers.