FreshWater Phosphate Test Strips provide quick and reliable water test results. Phosphates are contributors to algae growth and can reduce the effectiveness of some automated chlorinating systems. This test allows you to read low-range test results by looking down into the reacted sample tube. 

Direction For Use

1. Fill the test tube to 10ml line

2. Remove one test strip from bottle. Close bottle cap tightly after removing single strip. Gently bend strip in half (do not fold) with pads facing inward. Place strip inside test tube cap

3. Cap test tube and invert slowly 5 times (invert the tube slowly to allow the bubbles to go from the top to the bottom and bottom to top)

4. Remove cap and test strip

5. Place bottom of test tube on white boxed area of color chart. Look down through OPEN test tube and compare to color chart