946ml Leisure Time "Calcium Booster

Item number 295-CB


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Calcium Booster™
Water hardness amplifier

Product information:
Increases water hardness and suppresses foaming. Prevents corrosion of the technology.


  • Increases water hardness and suppresses foam formation
  • Prevents corrosion of the technique

Frequency: as required

  1. Determine how much calcium needs to be added to Booster™ The ideal hardness level is 150 to 400 ppm.
  2. Turn on the jets.
  3. Pour the required amount into the water.
  4. Let the jets run for 1 to 2 hours
  5. Test the water again to make sure that the correct level is set.
  6. Repeat steps 1 to 5 if necessary.


  • 1 tablespoon (15 ml) calcium Booster™ increases the water hardness by 7.4 ppm at 1,000 litres water content
  • Water with too low calcium values etches the plastic surfaces and corrodes the technology.

Maintaining the correct water hardness extends the life of your spa

Compatible with:

  • Chlorine Disinfectants
  • Bromine Disinfectant
  • Mineral Disinfectant
  • Ozone Disinfection