AquaChek One-Minute Phosphate Test Kit, 20 Tests

The AquaChek One-Minute Phosphate Test Kit measures low phosphate concentrations in pool or spa water in approximately one minute. Unlike a standard dip-and-read strip product, this test uses powder reagent pillows and a sample vial for increased sensitivity at lower phosphate levels.Product Information Tests for phosphate Measurement range: 0–1,000 ppb Quantity: 20 tests Includes powder reagent pillows, testing vial, color chart, and directions