Increases total calcium hardness in spa water to prevent corrosion and increase bather comfort.
Features and Benefits
Raises total calcium hardness in spa water
Prevents corrosion of spa equipment
Improves bather comfort
When to use
Use Spa Control to increase calcium hardness in spa water. The recommended total calcium hardness for spa water is between 100 and 200 ppm. It is recommended to check water balance every two weeks.
How to use
If total calcium hardness is below 100 ppm, add 110mL of Spa Control per 1,000L of spa water to raise hardness by 50 ppm. Pour Spa Control directly into spa while it is in operation. Do no add while people are in the spa. Wait 15 minutes before bathing.
