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Spa Calcium Hardness

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Spa Calcium Hardness, or total hardness as it is sometimes called, is the measurement of dissolved calcium and other minerals in your spa water. Like pH and alkalinity, you must keep calcium hardness within a certain range or you will develop problems. If your calcium hardness is too high, then you will develop scale buildup and cloudy water, while if too low can cause corrosion to your spas plumbing, surfaces, and other equipment. We offer a wide range of treatments and testing supplies to keep your calcium hardness in the optimal range, providing the most comfortable and best looking spa environment possible.
Displaying items 1 - 15 of 17 Sort: 
Starting At: $6.99
Add Leisure Time Jet Clean to Cart
  Starting At: $22.27
Add SpaGuard Stain and Scale Control to Cart
  Starting At: $3.44
Add HTH Spa Calcium & Scale Preventative to Cart
Starting At: $4.99
Add Leisure Time Calcium Booster to Cart
  Starting At: $12.99
Add Leisure Time Defender to Cart
  Starting At: $13.99
Add Leisure Time Spa Metal Gon Defender (2 Pack) to Cart
Starting At: $5.64
Add Natural Chemistry Spa Calcium Hardness Increaser to Cart
  Starting At: $4.99
Add Rendezvous Liquid Calcium Hardness Up to Cart
  Starting At: $9.99
Add Rendezvous Protect Plus to Cart
Starting At: $7.99
Add Rendezvous Tub Rinse to Cart
  Starting At: $5.99
Add Robarb Jet Blaster to Cart
  Starting At: $4.99
Add Robarb Spa Calcium Hardness Up to Cart
Starting At: $5.99
Add SeaKlear Spa Calcium Increaser to Cart
  Starting At: $12.99
Add SeaKlear Spa Stain & Scale Control to Cart
  Starting At: $3.95
Add Spa Essentials Calcium Hardness Increaser to Cart

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