HTH™ Pool Care Calcium Up: Hardness Increaser for Pools
Raise the calcium hardness of your swimming pool water with our hardness increaser for pools to protect your pool surfaces and equipment from harm.
- Protects pool surfaces
- Our hardness increaser for pools helps chlorine to work efficiently
- Prevents equipment damage
- This hardness increaser for pools is compatible with all swimming pools
Raises calcium hardness levels
Helps prevent swimming pool water from becoming corrosive.
Protects & prevents corrosion
Protects pool liners, metal and plastic surfaces as well as equipment from damage.
You’re all clear with HTH™
For best results, use HTH™ 6-Way Test Strips weekly to test, balance and maintain calcium hardness levels between 200 and 500 ppm.
How to use
HTH™ Calcium Up: Hardness Increaser for Pools
1. Test Your Pool Water
Use HTH™ 6-Way Test Strips or Test Kit.
Use HTH™ 6-Way Test Strips or Test Kit.
2. Apply HTH™ Calcium Up
If the calcium hardness level measures below 200, apply directly to your swimming pool and swim!
If the calcium hardness level measures below 200, apply directly to your swimming pool and swim!
3. Test & Balance Weekly
Calcium hardness should be maintained between 200 and 500 ppm.
Calcium hardness should be maintained between 200 and 500 ppm.
