Hardness Plus increases the calcium hardness in your spa water. A low hardness level (soft water) may lead to staining of surfaces such as the spa shell.
- Wear eye and face protection and ensure granules are not blown back into your face.
- Never mix with other chemicals including household cleaners as a dangerous reaction may occur.
- When pre-dissolving always add the product to water and not vice versa.
- Handle products in a well-ventilated area - preferably outdoors.
- Wash hands after use.
- Ensure chemicals do not become damp in storage - store in a cool dry place.
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