Sirona™ Calcium Booster
Get the most out of your spa sanctuary with Sirona™ Calcium Booster. This fast-dissolving granular product raises calcium hardness levels in spas and hot tubs to help prevent foaming, protect equipment and keep water balanced. By maintaining proper hardness, you reduce the risk of corrosion and scaling — ensuring a safer, more enjoyable soak every time.
Stronger Protection for Your Spa Water
- Fast dissolving and goes to work immediately
- Helps prevent foaming and equipment corrosion
- Compatible with all sanitizers
Why You'll love Sirona™ Calcium Booster
- Keeps water balanced and equipment safe
Additional Information
Directions for Use
- 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
Frequently Asked Questions
Q: What does Sirona™ Calcium Booster do?
A: It raises calcium hardness levels in spa water to help prevent foaming, scaling and equipment corrosion.
Q: When should I use Calcium Booster?
A: Use when your spa’s calcium hardness is below 200 ppm, as low hardness can cause foaming and damage to equipment.
Q: How do I test for calcium hardness?
A: Use spa test strips or a liquid test kit that measures hardness levels in ppm.
Q: How much will Calcium Booster raise hardness?
A: ¾ oz. per 500 gallons raises calcium hardness by about 10 ppm.
Q: Can I add Calcium Booster directly to the spa?
A: Yes, simply add it directly with the circulation system running — no pre-dissolving required.
Q: Is this product compatible with all sanitizers?
A: Yes, it can be used with chlorine, bromine and mineral-based systems.
Q: Will high-calcium hardness harm my spa?
A: Excessive hardness (above 400 ppm) can cause scaling, so it’s best to keep levels between 200–400 ppm.
Q: How often do I need to add Calcium Booster?
A: Frequency depends on your source water. Check hardness levels regularly and adjust as needed.
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
Chemical Specifications
- Active Ingredient: Calcium chloride
- Effect: Raises calcium hardness
- Form: Free-flowing granules
- Color/Odor: White, odorless
- Solubility: Fully soluble, dissolves quickly
- Stability: Stable under normal dry storage conditions
Storage & Safety Guidelines
- Store in a cool, dry place away from moisture
- Keep container tightly closed when not in use
- Do not mix with other spa chemicals
- Avoid inhaling dust during application
- Keep out of reach of children and pets