Natural Chemistry Spa pH Up Improve Bather Comfort Spa pH Increaser increases the pH of water in spas and hot tubs. Spa and hot tub water should be maintained between a pH of 7.4 and 7.6. Maintaining spa water pH in recommended ranges is key to proper water balance pH should be tested each week to ensure that none of these problems associated with low pH occur in your spa. Low pH can cause: Etched plaster Corroded metals Stained plaster Eye and skin irritation Destruction of Total Alkalinity Increased Chlorine/Sanitizer levels Spa pH Increaser brings pH level up to ideal range to improve bather comfort.Reduces skin and eye irritationProtects spa surfaces and equipmentSpa and hot tub water should be maintained between a pH of 7.4 and 7.6. Maintaining spa water pH in recommended ranges is key to proper water balance.
Specifications:* 2lb bottle
Read entire label before using 1. Test spa water for pH level2. Compare pH test results to chart below to determine appropriate amount of Spa pH Increaser necessary to make adjustment3. With the spa not in use and circulation pump operating, add required amount directly into spa water4. Continue circulating water a minimum of 30 minutes5. Retest, adjust if necessaryDosage ChartAll values are in dry ouncesSpa Volume pH 7.4 or greater pH 7.3 pH 7.2 Less than pH 7.2200gal (760L) Not req. 1/4 1/2 3/4400gal (1500L) Not req. 1/2 1 1 1/2800gal (3000L) Not req. 1 2 3NCI threaded safety cap = 1/2oz