products description:
This water quality tester is designed to test pH and level for swimming pool and spa. It is easy to operate, no more chemicals need. Large screen quickly shows the test result with high precision. Light weight and compact, easy to carry.
Feature:
1. Made of premium plastic shell, and sturdy.
2. Easy to operate, no more chemicals need.
3. A convenient tool to test water pH and level for swimming pool and spa.
4. Large screen displays the test result on pH and level for easy and accurate reading.
5. Light weight and compact, easy to carry. With a hole for convenient hanging.
Spec:
Condition: Brand New
Material: Plastic + Metal
Color: Gray White
Size: approx. 18 x 11.6 x 3.1cm / 7.1 x 4.6 x 1.2

Power Supply: 1 x 1.5V AA Batteries(not included)

Recommended level for pools and spas: 1.2 ~ 1.7ppm
Recommended pH level for pools and spas: 7.2 ~ 7.8pH

3. Please store the tester in cool and dry place.

Usage:
Before you use this tester for the first time, you must adjust it to match your swimming pool or spa water with the following sequence:
1. Test your pool or spa water using a conventional liquid test kit
2. Record the chlori