SPA CALCIUM HARDNESS INCREASER RAISES HARDNESS TO IDEAL LEVELS! FOR AREAS WITH SOFT WATER!

Prevent corrosion of your pool plumbing caused by low pool chemical hardness levels. Use pool Calcium Hardness Increaser to corr...

Blue Wave Calcium Hardness Increaser - 4lb Pail. Use as needed to raise the hardness (calcium) level in your pool to the ideal r...

Blue Wave Calcium Hardness Increaser - 25lb Pail. Use as needed to raise the hardness (calcium) level in your pool to the ideal ...

Blue Wave Calcium Hardness Increaser - 9lb Pail. Use as needed to raise the hardness (calcium) level in your pool to the ideal r...

Blue Wave Calcium Hypo-chlorite Pool Chlorine - 25lb Pail. Calcium Hypochlorite chlorine contains 65% available chlorine, just l...

Blue Wave Calcium Hypo-chlorite Pool Chlorine - 100lb Pail. Calcium Hypochlorite chlorine contains 65% available chlorine, just ...

Blue Wave Calcium Hypo-chlorite Pool Chlorine - 50lb Pail. Calcium Hypochlorite chlorine contains 65% available chlorine, just l...

Calcium Hypochlorite feeder is designed to use CCH "D" tablets, which are unstabilized. Easy to install & operate, this cal-hypo...

Blue Wave Blitz No Chlorine Shock 1lb Bags - Quantity 6. Blue Wave's powerful chlorine-free shock zaps organic pollutants, bacte...

Blue Wave Blitz No Chlorine Shock 1lb Bags - Quantity 12. Blue Wave's powerful chlorine-free shock zaps organic pollutants, bact...

Blue Wave pH (Acidity) Reducer - 15lb Pail. Use as needed to lower pH to ideal range of 7.2 to 7.6 ppm. Stops eye irritation, cl...

Blue Wave Blast-Out Cal-hypo Pool Chlorine Shock 24 x 1lb bags. Blue Wave's powerful 65% available chorine zaps organic pollutan...

Blue Wave pH (Acidity) Reducer - 6lb Pail. Use as needed to lower pH to ideal range of 7.2 to 7.6 ppm. Stops eye irritation, clo...

Blue Wave Stabilizer - 8lb Jar. Stabilizer pre-conditions your pool water to make chlorine last longer. Use at the beginning of ...

Blue Wave pH (Acidity) Increaser - 10lb Pail. Use as needed to raise the pH level to the ideal range of 7.2 to 7.6 ppm. Slows th...

Blue Wave pH (Acidity) Reducer - 30lb Pail. Use as needed to lower pH to ideal range of 7.2 to 7.6 ppm. Stops eye irritation, cl...

Blue Wave Blast-Out Cal-hypo Pool Chlorine Shock 6 x 1lb bags. Blue Wave's powerful 65% available chorine zaps organic pollutant...

Blue Wave Alkalinity Increaser - 25lb Pail. Use as needed to raise total alkalinity levels to the safe (non-corrosive) zone of 8...

Blue Wave pH (Acidity) Increaser - 5lb Pail. Use as needed to raise the pH level to the ideal range of 7.2 to 7.6 ppm. Slows the...