SimplexHealth Total Hardness Water Test Strips (50 Strips)

Total Test Time: 3 Seconds. Number of Tests: Bottle of 50. With their low cost and high accuracy, Simplex Health Total Hardness test strips also offer you time-savings. 50 Test Strips per container. Excellent value for money. Sensitivity: 0, 40, 80, 120, 180, 250, 425, 1000 ppm (mg/L) Or 0, 2, 5, 7, 11, 15, 25, 58 gpg A must have test for every home.