Overview. Pool Time pH Up raises low pH to maintain the proper pH level of 7.2 - 7.6. pH Up helps to protect equipment from corrosion, while improving swimmer comfort by returning pH to it's proper level. Apply this granular formula directly to pool water in the deepest end of the pool with the pump running. Get the Pool Time pH Up to help increase and stabilize the pH level in swimming pool . Pool Time. Model # 23456PTM. 6 lb. pH Up. go to top of page button. Amazon.com : NEW Swimming Pool/Spa pH Up Increaser Plus 25 Lbs . Best Sellers Rank, #240,831 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn . in very small dosages, diluting it, large dosages and it will cloud the water big time. If you tested your swimming pool pH and discovered you the pH is low, then you . leaves, and insects always manage to end up in even the best maintained pools. . You run the risk of raising total alkalinity if you add too much at one time. Pool Time®pH Up. Raises Low pH. 6 lb. Improves Swimmer Comfort; Protects Equipment from Corrosion. 6 lb. Zoom. PICK UP IN STORE. Pool Time® Products . How to Raise pH in Pool. Low pH levels in a pool can be caused by rainwater and other foreign particles getting into the water. Corrosion of metal accessories, . The best time to apply is in the evening because the chlorine won't escape/evaporate (sunlight . Adding baking soda or 'alkaline up' should raise the pH also. Jul 11, 2015 - The perfect range for pH in the swimming pool water is usually 7.4 to 7.8. . Pools that are vinyl line may become brittle and finally end up cracking and . You can even add pipes on top of the jets and direct the water . If the pH in your pool drops even after you have tried to raise it, then it's time to raise your . Oct 15, 2015 - SIGN UP to get free PSN newsletters . Subscribe · Masters of Design · Top 50 · Manufacturers Directory . Using sodium bicarbonate to raise pH is the equivalent of driving a nail . extrapolate that either the pH in swimming pool water is never low, . One whole number is 10 times the preceding number. . over 5. Buy Clorox Pool and Spa pH Up, 4 lbs at Walmart.com. . Dosage: Never add more than 2.5 lb of this product per 10,000 gallons at one time. If the pH is . For best results: Allow the pool to circulate for two hours then retest pH.