- Fast dissolving
- Easy to use
- Non cloudy
- Dissolves completely without residue
- No impurities
- Concentrated acid granules
- Contains: 100 g of the product contains 100 g
- Sodium Hydrogensulphate
Check the pH value with test strips at least once per week. If necessary, lower the pH to a value of 7.0 to 7.6. Add the required quantity of pH-Minus directly to the spa water while the pump is running.
This product should be used solely for the purpose specified.
Tip: If you are in a hard water area, we recommend to check the pH value more often.