Leisure Time Calcium Booster raises water hardness level while preventing foaming and equipment corrosion. Using this product to maintain proper hardness levels will help extend the life of your spa. Calcium Booster will optimize your total spa experience by keeping the water balanced. This product is compatible with chlorine, bromine, ozone, and biguanide sanitizers.
| To Raise CH (ppm) |
Spa Volume (Gallons) |
| 150 |
200 |
300 |
400 |
500 |
| 20 |
0.5 |
0.5 |
1 |
1.5 |
1.5 |
| 40 |
1 |
1.5 |
2 |
2.5 |
3 |
| 80 |
2 |
2.5 |
4 |
5 |
6.5 |
All values in dry ounces.
- Test your water's calcium hardness every week with Leisure Time Test Strips and adjust accordingly
- Add appropriate amount of Leisure Time Calcium Booster as designated in the table to maintain the spa water calcium hardness within the 200-400 ppm range.
- Circulate spa water on high speed for a minimum of 15 minutes.
