Zodiac Calcium Down

Calcium Down decreases calcium hardness in swimming pools.

BENEFITS
• Essential for water balance
• Helps protect pool surfaces and equipment

ACTIVE CONSTITUENT
370g/L HYDROXYETHYLIDENE DIPHOSPHONIC ACID COMPLEX.

TO DECREASE CALCIUM HARDNESS:
1 Litre will reduce calcium by 100ppm per 40,000 litres.
Dosage rates indicated are a guide only.
Please refer to the label on the packaging for further instructions.

Tip: If hardness levels are reading very high (>800ppm), check if the pool is a Magnapool.
Magnesium from the minerals can interfere with some hardness tests. Otherwise check if the source water is bore water.