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and quiet dependability—making it a smart investment for maintaining crystal-clear spa or hot tub water
easy-to-use liquid formula
and daily wear for years of reliable performance
Dimensions: 17-1/2" L x 7-3/4" W bracket
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 and quiet dependability—making it aSt. 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