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Sirona™: Calcium Booster

Sirona™: Calcium Booster

$15.99 USD
$15.99 USD
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Reduce the risk of corrosion and scaling

This fast-dissolving granular product raises calcium hardness levels in spas and hot tubs to help prevent foaming, protect equipment and keep water balanced. 

Benefits of Regular Use

Water Quality
  • Maintains balanced hardness for clear, foam-free water
  • Reduces risk of scaling and cloudy conditions

Maintenance
  • Prevents corrosion and damage to spa equipment
  • Extends life of spa surfaces and plumbing

Convenience
  • Quick, direct application — no pre-mixing required
  • Reliable results with simple weekly testing
  • Compatible with all sanitizers

How to use it?

  • Maintain calcium hardness between 200–400 ppm
  • Add ¾ oz. per 500 gallons to raise hardness by 10 ppm
  • Apply directly to spa water with circulation system running
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