Alkalinity
Liquid Calcium Balancer
pH Down
pH Up
Balancers
Designed to raise the total alkalinity of your spa or hot tub.
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SerenaSpa® Liquid Calcium is the convenient way to bring water hardness into the proper range.
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Designed to lower both alkalinity and pH of your spa or hot tub.
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Increases the pH of spa or hot tub water.
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Increases the pH of spa and hot tub water.
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