Leisure Time Spa Chemicals Alkalinity Increaser is critical to pH control, this granular formula effectively raises alkalinity levels which might otherwise cause equipment corrosion.
Applications:Start-Up:1. Add 1 oz (2 tbsp) to spa water.2. Allow water to circulate for 30 minutes.3. Retest water and repeat Steps 1 and 2 until the desired level is reached.
Tips:For best results, dissolve granular products first by adding to a small, plastic pail filled with water.
Compatible With:Chlorine, bromine, ozone and biguanide sanitizers.