Water Hardener
To raise the calcium hardness of pool water, ensuring bather comfort and avoiding long term damage to equipment. To ensure safe use of your pool, maintain a calcium hardness level of at least 200 ppm, a free chlorine level of between 1-3 ppm for pools and 3-5 ppm for spas and a pH level of between 7.2 and 7.6.
Available Quantity: – 25kg, 5kg
Instructions for Use
- Test to check the chemical balance.
- To increase the calcium hardness by 10 ppm
15 grams per 1000 litres (220 gallons)
75 grams per 5000 litres (1100 gallons)
150 grams per 10,000 litres (2200 gallons)
900 grams per 60,000 litres (13200 gallons) - Fill a clean plastic bucket with water, add the required dose of water hardener and mix well.
- Add the solution to your pool or spa near the water inlet with pump running.
- Allow the chemicals to circulate for 2-3 hours then retest and repeat as necessary.
SAFETY INFORMATION
ALWAYS ADD CHEMICALS TO WATER & NOT WATER TO CHEMICALS
NEVER MIX CHEMICALS
CONTAINS CALCIUM CHLORIDE
EC 233-140-8
WARNING
Causes serious eye irritation.
Wash hands thoroughly after handling.
Wear protective gloves/protective clothing eye protection/face protection
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
Keep out of reach of children.
If medical advice is needed, have product container or label at hand.