Vian Hardness Plus 1kg
Directions for use
- Use a test kit or ask your pool dealer to establish the Calcium Hardness of your pool or spa water. If below 200ppm proceed as follows
- To increase the Calcium Hardness by 10ppm add 15gm of Hardness Plus per 1000 litre water.
- Make sure that the cover has been removed, the pool circulation is on and that the hot tub is not being used.
- Always pre-dissolve this product in a clean plastic bucket full of water (Dilute at a rate of 100gm per 10 litre bucket)
The water will cloud temporarily when adding this product.
