Quickly and accurately tests pH of pond or tap water. Proper pH control is necessary to prevent harmful effects of water too alkaline or too acidic. Quickly and accurately tests for pH levels from 5.0 to 9.0. Performs 160 tests.

Directions

Read thoroughly before testing. Do not allow Test Solutions to get into aquarium.To remove childproof safety cap: With one hand, push red tab left with thumb while unscrewing cap with free hand. 1. Fill a clean test tube with 5 ml of water to be tested (to the line on the tube).2. Add five drops of Indicator Solution, holding dropper bottle upside down in a completely vertical position to assure uniformity of drops.3. Cap the test tube and invert tube several times to mix solution. Do not hold finger over open end of tube, as this may affect the test results.4. Determine the pH reading by matching the color of the solution against those on the pH Color Chart. The tube should be viewed against the white area beside the color chart. Color comparisons are best made in a well-lit area. The closest match indicates the pH of the water sample. Rinse the test tube with clean water after each use.