Natural Chemistry Spa Calcium Increaser

Low calcium hardness levels can be corrosive to hot tub and spas surfaces and equipment. The ideal range for calcium hardness in a hot tub or spa is between 150-250 ppm (parts per million). Use this product to raise your calcium hardness level if it drops below the suggested range.
Special Price $6.99 was $9.99
Availability: In stock
SKU
50326
Warranty:
None
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