Advantis Technologies - Spa Calcium Hardness Increaser
$9.89 Price reduced from $10.99 to
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