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Advantis Technologies - Spa Calcium Hardness Increaser
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HELPS PREVENT CORROSION OF YOUR SPAS PLUMBING AND HEATER!
- Low calcium levels can cause staining on your spas surface as well as corrosion in spa lines and equipment.
- When the calcium level of your spa water drops below 200 ppm, just add Calcium Increaser.
- Dosage: 1 oz. per 500 gallons.
- Available in a 2 lb. container