The Sirona Spa Care Defend liquid formula is a unique blend of organic polymers that are designed to aid in the removal and prevention of stains and scale that form in spas and hot tubs. This stain and scale remover is compatible with all sanitizers including bromine, chlorine, ozone, minerals and biguanide.
For spas up to 800 gallons, use 2 fluid ounces Sirona Defend.
For spas over 800 gallons, use 4 fluid ounces of Sirona Defend.
- Use this product when water is cloudy. For best results, use this product weekly. Add recommended dosage directly to the spa.
A) For spas up to 800 gallons, use 2 fluid ounces Sirona Defend.
B) For spas over 800 gallons, use 4 fluid ounces of Sirona Defend.
- Turn filter system on for 1 hour.
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