Optimal Phosphate Levels: Maintain phosphate levels within the 0–2500 ppb range—this is the sweet spot for keeping your pool and hot tub water clean, clear, and healthy all season long

Economical Phosphate Test Kit: Packed with 50 test strips, our kit offers a durable, wallet-friendly way to keep tabs on phosphate levels in your water. It’s ideal for homeowners, pool operators, and business owners alike

Versatile Phosphate Test Kit for All Water Systems: Designed to test phosphate levels across a wide range of water types, including swimming pools, spas, hot tubs, and aquariums—ideal for every water maintenance need

Super Easy Testing in 4 Simple Steps: 1.Fill the included test tube with water sample up to the marked line 2.Insert the test strip (reaction pad down) & seal the cap tightly 3.Shake for 10 secs, then let stand upright for 90 secs 4.Match water color to the color chart & read results

For Best Results: Keep your hands dry before taking out the strips, read under the natural light, Keep wet fingers out of the bottle, and store test strips in a cool, dry place. Test strips are not reusable