Description Welson PAP is special acid liquid neutralizing agent, formulated for use in pools to neutralize PH value of alkali. The PH value of pool water should keep at 6.5 to 8.5. When the alkaline is higer than 8.5, it needs to be added Welson PAP to modify the PH value. Dosage Add 15 kg per 1000 cubic meters of water, and the PH value will decrease by 1 unit. Safety Please wear rubber gloves when using Welson PAP, avoid contact with skin, eyes or mucous membranes. If accidentally touch, please use plenty of clean water to wash. If swallowed, please do not induce vomit. Immediately seek medical attention