Phosphate Test Kit, Pool Phosphate Test Kit, 50 Counts Phosphate Test Strips for Hot Tub and Swimming Pool, Quick & Reliable Water Testing with Colorimetric Tube

• Phosphate Test Kit, Pool Phosphate Test Kit, 50 Counts Phosphate Test Strips for Hot Tub and Swimming Pool, Quick & Reliable Water Testing with Colorimetric Tube

Product description Phosphate Test Kit, Pool Phosphate Test Kit, 50 Counts Phosphate Test Strips for Hot Tub and Swimming Pool, Quick & Reliable Water Testing with Colorimetric Tube Directions 1. Add 5ml of pool water sample into the colorimetric tube. 2. Insert the test strip into the colorimetric tube, close the cover tightly, and turn it upside down twice for 10 seconds. 3. Wait for 2 minutes, then remove the test strip. 4. Compare the color of the test strip to the color chart provided to determine the phosphate level in the pool water. Repeat the process as needed to maintain clean and safe pool water.