Review on CityFarmer Digital pH Meter for Hydroponic Nutrient Solution Testing, with 2 Pack Calibration Solution Mixture, Accurate & Reliable Results, Built-in ATC by Tiffany Ward
Works as described, good for testing, measuring and checking
The first thing I got was faulty with the calibration. The seller kindly sent a replacement which I received 2 days later. The second device only needed a little calibration out of the box and works surprisingly well. Keeping the electrode wet will help the device function properly and prolong its life. Personally, I put about 1mL of pH 7 buffer solution in a cap and store it upright. I would recommend it to anyone looking for a cheap solution.
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