2. Wait until the pointer stops swinging and then take a pH reading.To find the tester's adjustment point.Testing for chlorine content.B. Hold the tester in one hand and the test rod in the other.Before the first use, please adjust the tester for the pool water or spa water to be tested in the following order.Insert the cleaned metal rod into the water to the black position.3. Gently dry the test stick, insert it into the slot next to the tester and store it away.D. Gently stir the water with the metal rod.E. While the rod remains in the water, turn the knob on the front of the meter toward C^l until it cannot move any further. Then slowly turn it back to the right until the needle points to the position of the result measured by the conventional liquid test kit.1、 Keep the test stick in the water and turn the knob in the pH direction until it beeps (the battery must be removed when reading the pH value).A. Place an AA 1.5 V battery (positive terminal facing up) in the battery slot of the handle.tool for simple measurement of PH and C12 values of water -, no more guesswork for measurement3、Let the test stick stay in the water and continue the pH test according to the instruction.1、Set the pointer to the "adjustment point" position.Water quality tester product description.Recommended chlorine level for pool or spa water is 7.2 to 7.8PH level within the measurement range: 7.2-7.8Please note: The meter must be set to the "adjustment point" before each chlorine test.1. test the pool or spa water with a conventional liquid test kit.3. make no adjustments to the PH.Chlorine level in the measurement range: 1.2-1.7ppmAn tool for swimming pools, saunas and spas.2. record the chlorine reading for backup (1.5 PPM).2. Hold the tester in one hand and the test rod in the other, and insert the metal rod into the water to the black position. Wait