1 Level
1310 Review
38 Karma
Review on Temperature Multi Parameter Aquariums Hydroponics Laboratory by Jesus Jenkins
Calibration: test, measure and verify
Another gauge that is not working properly. Three days later he lost his ppm and ph calibration. The ppm calibration screw won't turn more than 370ppm when I try to calibrate with a dilution of 342. Very disappointed.
Pros
- General purpose and high precision measurement
Cons
- I will add later
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