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1 Level
1310 Review
38 Karma

Review on Temperature Multi Parameter Aquariums Hydroponics Laboratory by Jesus Jenkins

Revainrating 2 out of 5

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