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Total Hardness
the Maelstrom runs at its "sweet spot"—high flow on high speed for therapy jets
no power required
or lasts as long
opaque protection against leaves
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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