Specification:
Item Type: Water Quality Tester
Material: Plastic
Size: Approx. 19 x 12cm/7.5 x 4.7in Probe Length: Approx. 15cm/5.9in
Battery: 1 x 1.5V Alkaline Battery AA (Not Included)
Application: PH and Chlorine Gas Detection for Swimming Pool and SPA Pool Water Package List: 1 x Swimming Pool Water Quality Tester (Battery Not Included) 1 x Manual 1 x Gauze Paper Note: 1. When not in use, please turn the knob to the off position (towards the PH direction until it can no longer move).2. Store in a cool, dry place, avoid direct sunlight.3. Do not immerse the test rod in other liquids except swimming pool water and hot spring water.4. Periodically check that the battery is fully charged?the tester uses an "AA" 1.5 V alkaline battery5. Please allow some errors due to manual measurement.Test pH: The recommended chlorine level for swimming pool or spa water is 7.2 to 7.8 A) With the test stick in the water, turn the knob in the pH direction until it beeps (the battery must be removed to read the pH). B) Wait until the pointer stops wiggling and take a pH reading. C) Gently dry the test stick, insert it into the slot close to the tester, and store it.Test for chlorine levels: 1.2 to 1.7ppm is recommended for swimming pool or spa water. A) Move the pointer to the "adjustment point" position. B) Holding the tester in one hand and the test rod in the other, insert the metal rod into the water to the black position. Wait until the pointer stops swinging to take the reading. C) Let the test stick stay in the water and continue the pH test according to the instructions.