PH Meter, Water Quality tester CL2 Chlorine and Swimming Pool SPA Analyzer with Probe, Tester,

CL2 CHLORINE TESTER: Slowly turn the knob to the left in the direction of CL2, until the pointer is aligned with the position of the letter C; prepare a 1.5PPM standard solution of residual chlorine, put the metal rod into the measuring cup to the black position, the pointer will move slowly, wait for Take the reading after the pointer stops swinging. Clean the metal rod after use. PH TESTER: Wipe the metal rod back and forth with fine sandpaper to remove dirt, and then wipe it with a clean paper towel or cloth. Turn the knob in the direction of PH to a ticking sound (that is, rotate the knob in the direction of PH until it does not move); put the metal rod into the pH solution to be measured for testing, and wait for the pointer to stop swinging before reading. Clean the metal rod after use. APPLICATION: Digital PH water tester for pH and chlorine (Cl2) levels for routine monitoring of pH and chlorine levels in swimming pools, spas and various water sources. RANGE: With this water quality tester, you can quickly test your chlorine and pH levels. The recommended chlorine level for swimming pools and spas is 1.2 to 1.7 ppm, and the recommended pH level is 7.2 to 7.8. GUARANTEE - If there any issue about this product, please CONTACT us, we will give the best solution in the first time. we guarantee replacement or refund.