LaMotte PH Phenol Red Tabs, 100 Sheets of 10 (1,000 Total), 6915A-M

Lamotte 6915A-M pH Phenol Red Tablet; 10/Sheet; 100 Sheets/Case

Phenol red is a water-soluble dye used as a pH indicator which shows color changes such as yellow to red over pH 6.6 to 8.0 and then turning a bright pink color above pH 8.1. With this method, phenol red can be very useful as a pH indicator dye not only in various medical and cell biology tests but also in testing the pH level of your pool water. The Lamotte Company 3P22B 6915-M Box 1,000 Phenol Red Tablets are useful for testing the pH of your pool or spa water. The ideal pH level for your pool and spa water is between 7.2 - 7.6.