SpaGuard Calcium Hardness Increaser raises calcium hardness to help prevent corrosion of equipment and etching of surfaces. Do not use Calcium Hardness Increaser in spas where SpaGuard Spa Sentry is being used.
Features:
Dosage:
| Spa Volume | Increase CH 25 ppm | Increase CH 50ppm | Increase CH 60 ppm | Increase CH 100 ppm |
| 100 | 1 Tbs. | 2 Tbs. | 2 Tbs. & 1 tsp. | 4 Tbs. |
| 150 | 1 1/2 Tbs. | 3 Tbs. | 3 Tbs. & 1 tsp. | 5 Tbs. |
| 250 | 2 1/2 Tbs. | 5 Tbs. | 6 Tbs. | 10 Tbs. |
| 400 | 4 Tbs. | 9 Tbs. | 10 Tbs. | 16 Tbs. |
| 500 | 5 Tbs. | 10 Tbs. | 12 Tbs. | 20 Tbs. |
Application:
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