SpaGuard Spa Calcium Hardness Increaser - 12 Ounce
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<b>[Product Information]</b><br>
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<li>SpaGuard Spa Calcium Hardness Increaser 12oz</li>
<li>1 tbs. per 100 gallons increases calcium hardness ~25ppm</li>
<li>Prevents corrosion of equipment due to low calcium hardness</li>
<li>Prevents etching of plaster due to low calcium hardness</li>
<li>Calcium Hardness Increaser</li>
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