Pay in 4 interest-free payments of $8.24 Learn more
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
or damage jets/filters
Dimensions: 17-1/2" L x 7-3/4" W bracket
easy-to-use liquid formula
this cartridge controls bacteria and helps maintain neutral pH levels
Material: High-quality filtration media designed for pool water circulation
St. Cyr's Spa Water Balance Kit – PH/Alkalinity Up and Down Plus Calcium Spa Heaters or damage jets/filtersSt. Cyr's Spa Water Balance Kit PH Alkalinity Up and Down Plus Calcium (No Returns on Chemicals) St. Cyr's Spa Water Balance Kit delivers everything needed to fine tune pH, alkalinity, and calcium hardness for crystal clear, safe hot tub water that protects equipment from corrosion or scaling. This all in one bundle safeguards your spa investment with precise adjustments that keep chemistry stable soak after soak. Essential for weekly testing and