Above Ground Swimming Pools:::Swimming Pool Chemicals::5kg PH Plus Pool Treatment DIRECTIONS FOR USE1. Acid/alkaline conditions are measured on the pH scale which ranges from 0 to 14.2. Ideal bathing conditions exist at a slightly alkaline level of 7.2 to 7.6 with total alkalinity of 80/120mg/l (ppm). This range will also allow most effective use of other swimming pool chemicals.3. Use a Test Kit to establish the pH value of the pool water.4. If the reading is below 7.2, add this product at the rate of 500gm (18oz) per 45m3 (10,000 gallons) of pool water. For spas add at a rate of 25gm per 2.27m3 (500 gls).5. Always pre-dissolve the product in warm water following the instructions below.6. Continue filtration and re-test after approximately 24 hours.7. If necessary, repeat treatment until a reading of between 7.2 and 7.6 is obtained.8. The inability to maintain pH levels may indicate a water imbalance. In such cases consult your pool specialist. Price: £9.90 Email A FriendAbove Ground Swimming Pools:::Swimming Pool Chemicals::