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1* Gray Aquarium Fish Tank Water Hardness Tester Gh/Dh Water Quality Test Pen

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Features:- brand new and high quality-Made of high-quality materials, durable-A test pen to take care of your family.-High-quality chip, titanium alloy probe and high-definition LCD screen make the measurement more accurate and time-consuming,-Read data more clearly.-It can be used in all aspects, such as drinking water, storage tanks, swimming pools, fish farming, pure alcohol, etc.-Small size and easy to carry.usage:1. Remove the pen cover, press the key to turn on the power.2. Put the pen into the test solution to the water level and stir gently to remove air bubbles.3. After waiting for 3 seconds for the number to stabilize, press the HOLD key and take out the pen to read the value.4. Wipe off the water from the pen tip, and then put the pen cap back in place.Product parameters:color: graySize: 15.5*3.1*3.1cmMeasuring range: 0-9999ppmTemperature range: 0-50℃Battery: 2*1.5v (button battery CR2032)package includes:1*&nbsp; water quality test pen notes:1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.2. Please allow a slight deviation between the data and the manual measurement.

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