Proper calcium hardness levels help prevent corrosion of equipment and etching of spa surfaces. Use Calcium Hardness Increaser to raise calcium hardness to the proper level. For areas with high calcium in the source water, use Stain & Scale Control to prevent formation of scale.
Spa Essentials 32534000-02 Calcium Hardness for Spas and Hot Tubs -2 Pack- 12 oz
Was:
$76.48
Now:
$38.24
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Spa Essentials 32534000-02 Calcium Hardness for Spas and Hot Tubs -2 Pack- 12 oz
- SKU:
- TE414116
- UPC:
- 034261253424
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.
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Spa Essentials 32534000-04 Calcium Hardness for Spas and Hot Tubs -4 Pack- 12 oz
Was:
$112.66
Now:
$56.33
Spa Essentials 32534000 Calcium Hardness Increaser Granules for Spas and Hot Tubs, 12-Ounce
Was:
$46.64
Now:
$23.32
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Robarb 20345A-02 Spa Specialties Calcium Hardness Up for Spas and Hot Tubs 2 Pack 1 quart
Was:
$167.38
Now:
$83.69
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SpaChoice 472-3-5031-02 Increase Calcium for Spas and Hot Tubs (2 Pack), 14 oz
Was:
$85.26
Now:
$42.63