Review on ๐ฌ Advanced Digital Combo pH & Temperature Meter - Aquarium Thermometer & pH Monitor with Automatic Calibration for Fish Tank, Hydroponics, Aquaculture, & Laboratory by Michelle Vargas
Calibration fails in time
calibration was probably kept 6 months, I went to calibrate again, is my own business. I watched the tutorials on YouTube 7x to make sure I didn't miss anything, changed the batteries. Still no bones. It just shows a 4.0 calibration no matter what and then when I calibrate it to 4.01 and it saves the data it IMMEDIATELY starts to drift in the calibration solution. For $40 I'm really surprised it lasted so long but I can't give it 5 stars for this performance.
- Multi-point calibration: 3-point pH calibration (pH 7.0 / pH 4.01 / pH 10.01). It has a one-touch pre-calibration function with automatic buffer detection to avoid mistakes.
- sad packaging
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