API pH Test Kit, 160 Tests

Step 1: Fill the clean test tube with 5mL of water to be tested (to the line on the tube)
Step 2: Holding the bottle vertically, add 5 drops of Wide Range Indicator Solution.
Step 3: Cap the test tube and shake vigorously for 5 seconds.
Step 4: Read the test results by comparing the color of the solution to the appropriate pH Color Card.

Name: API pH Test Kit, 160 Tests
Brand: API
SKU: 160123
Price: 9.48 USD
Availability: InStock