Simple Blue Spa Power Cal
$15.99 $18.99
Simple Blue Spa Power Cal
Calcium Hardness Increaser
- Raises total hardness of spa and hot tub water
- 1 lb. bottle
Simple Blue Power Cal is used to raise calcium hardness in spas to prevent green-tinted water and equipment corrosion, ideal for levels between 150–300 ppm. Follow the dosage chart below to raise hardness levels
| Spa Gallons | 20 PPM | 40 PPM | 80 PPM | 100 PPM |
| 200 | 3/4 OZ | 1 1/2 OZ | 3 OZ | 3 3/4 OZ |
| 400 | 1 1/2 OZ | 3 OZ | 6 OZ | 7 1/2 OZ |
| 800 | 3 OZ | 6 OZ | 12 OZ | 15 OZ |
