Product Specifications 50 test strips Comes with a test tube Fast and accurate results in 15 seconds Tells you if you have a phosphate problem in your pool or spa Includes 50 Test Strips How to use Fill test tube to 10 mL line. Remove one test strip from the bottle. Close the bottle cap tightly after removing the strip. Gently bend the strip in half (do not fold) with pads facing inward. Place strip inside test tube cap. Cap the test tube and invert slowly 5 times (invert the tube slowly to allow the bubble to go from the top to bottom and bottom to top). Remove cap and test strip. Place the bottom of the test tube on the white boxed area of the color chart. Look down through the open test tube and compare it to a colour chart. Use Starver M to remove phosphates on a regular basis. For very high phosphate levels you will need Starver X. Please contact us if you need further information.
