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Spa Choice Liquid Increase Calcium gently raises water hardness, which helps to prevent equipment damage and hot tub foaming problems. Allows for faster and more accurate control of spa water chemistry. Easier to use than dry granular products because it goes directly into the water with nothing to mix.
Best Buy
Our Spa Choice chemicals are fresh and high potency, guaranteed to equal or outperform all other brands. Buy a spare bottle, and save even more!
Product notes: Compatible with all sanitizer systems. Use 1 oz. per 100 gallons to increase hardness by 7 ppm, allow water to equilibrate for 30 minutes, then retest.
Quart Bottle - 32 fl. oz.
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