Spa Essentials Calcium Hardness Increaser
- Container Size: 350 grams (0.78 Lbs)
- Product: Spa Essentials Calcium Hardness Increaser
- Calcium Hardness in spa water should be maintained at approximately 150-250 ppm.
- Low calcium hardness (below 150 ppm) may cause corrosion of surfaces and damage components of the filtration and circulation system as well as heaters, jets, headrests and other spa components