Calcium Plus 4lbs. YGroup_Signature-RTL The attractive embossed top ledges

The attractive embossed top ledges and uprights give the Bristol added strength with visual appeal

Spirally-wound

The Filter Fiber Stuff also works well with sand and cartridge filters

Cover Saver non electric siphon action cover drain keeps pool cover cleaner and drier

and energy savings over many years

Calcium Plus 4lbs. YGroup_Signature-RTL The attractive embossed top ledgesCalcium Plus is used to raise calcium hardness in swimming pool water. Low calcium hardness may cause pool water to become corrosive which can result in etched plaster, corrosion of equipment and fixtures or may cause metallic stains. The ideal range is 200 to 400 parts per million (ppm).