Review on CityFarmer Digital pH Meter for Hydroponic Nutrient Solution Testing, with 2 Pack Calibration Solution Mixture, Accurate & Reliable Results, Built-in ATC by Mario Schultz
Super accurate with easy calibration (+). It doesn't turn itself off, so buy lots of batteries (-).
This is my second purchase of this product (first one I bought oops). I have tried several other gauges and this is by far the best. Unlike other pH meters, this one uses a screw for calibration. This gives you the most accurate readings over the widest dynamic range. This is not the case with gauges that require the push of a button to calibrate (less accurate, less range). And this comes already calibrated (for pH 7). It would be 5 stars but it doesn't turn off. Replacing batteries costs more than the product itself.
- ★ ACCURATE AND FAST: With this digital pH meter you don't have to work with a color chart or test drives, this meter provides results quickly and accurately. Get a pH reading in seconds with a pH range of 0 to 14 and an accuracy of ±0.1 pH. And it's pre-calibrated at the factory. Get the package and test it right away. If you think you need to calibrate it in the future, you can also calibrate it yourself.
- High price
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