API High Range pH Test Kit for Freshwater and Saltwater Aquarium

Use to measure pH changes in marine aquariums, aquariums with African chchlids, and very alkaline tap water. Reads the pH of water within the high range of 7.4 to 8.8. 250 tests per kit.
pH Balance: 7.4 - 8.8 pH pH , Number of Tests: 160 Count
Safety: Caution: Keep out of reach of children
Use Instructions: 1. Fill a clean test tube with 5 ml of water to be tested (to the line on the tube).2. Add 5 drops of High Range pH Test 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.4. Read the test results by comparing the color of the solution to the appropriate High Range pH Color Card (choose either Freshwater or Saltwater). The tube should be viewed in a well-lit area against the white area of the card. The closest match indicates the pH of the water sample. Rinse the test tube with clean water after use., Storage Instructions: Keep containers securely sealed. Store in a cool, dry, well-ventilated area."
Product Gross Weight: 0.1500 lb, Product Net Weight: 0.1500 lb, Product Height: 5.13 in, Product Length: 1.50 in, Product Width: 2.38 in