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#2 Phenol Red and Phenol Red are not interchangeable
The CAT 4000 provides extraordinary simplicity and value for users
Pentair 178562
Recommended on spas with weaker spa skirts
DuraChlor pH Up - 5 Pounds 3-8-barb-manifolds #2 Phenol Red and PhenolDuraChlor pH Up DuraChlor pH Up increase the pH of water in swimming pools. pH levels should be maintained between 7. 2 to 7. 6. When the pH levels are lower than 7. 2, water may be corrosive. Water below 7. 2 will start to degrade pool equipment, plumbing, and pool surfaces. Water may not be as comfortable for users to enjoy. Features: pH Increaser for swimming pools Prevents corrosion to pool equipment Powdered formula Fast dissolving granules
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