NC Brands Spa Calcium Increaser 1.83lb
Raises Calcium Hardness in Spa/Hot Tub Water
Natural Chemistry’s Spa Calcium Increaser is used to raise calcium hardness in spa water. Calcium hardness in spa water should be maintained between 150-250 ppm. Low calcium hardness levels could cause the spa water to be corrosive which may result in damage to the spa surface or equipment.
Features:
- Raises calcium hardness in spa and hot tub water
- Reduces cloudy water caused by low calcium levels
- Low calcium hardness levels could cause the water to become corrosive, which may result in damage to the spa surface or equipment
Directions for use:
Read the entire label before using.
- Test spa water for calcium hardness level
- Compare test results to chart below to determine appropriate amount of product necessary to make adjustment.
- With spa circulating pump on high speed, add required amount directly into spa water. Continue circulating water a minimum 20 minutes. Do not pre-dissolve this treatment as heat is generated when it contacts water.
- Retest and adjust if necessary.
Dosage Chart
All values are in dry ounces
| Spa Volume | 20ppm | 40ppm | 80ppm | 100ppm |
|---|---|---|---|---|
| 200gal | .75 | 1.5 | 3 | 3.75 |
| 400gal | 1.5 | 3 | 6 | 7.5 |
| 800gal | 3 | 6 | 12 | 15 |
