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Total Hardness
ensuring both efficiency and protection for all spa surfaces
Compatible With: PAL
opaque protection against leaves
no power required
St. Cyr Alkalinity Increase 25lbs Skimmer Plugs & Protectors Total HardnessSt. Cyr Alkalinity Increase 25lbs (No Returns On Chemicals) Local Pick Up Only Middleton MA Location St. Cyr Alkalinity Increase 25lbs is a granular product used to raise total alkalinity in spa or hot tub water, stabilizing pH levels, preventing corrosion, and ensuring comfortable, balanced water for soaking. Its active ingredient is typically sodium bicarbonate, which provides precise control over alkalinity without introducing unwanted additives.
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