Every body of water needs calcium in it. Too little calcium, water is corrosive and will damage the spa. Too much calcium will produce damaging and ugly scale. When levels are ideal you will prolong the life of your spa and provides the best bather comfort. If you have a softener, you need this product!
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1 lb Hardness Increaser
Original price was: $5.59.$4.42Current price is: $4.42.
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