Header banner
Revain logoHome Page
Adam Tidd photo
1 Level
1315 Review
46 Karma

Review on Precision Hydroponics Test & Measure Instrumentation for Accurate Aquarium and Substance Analysis by Adam Tidd

Revainrating 1 out of 5

Not calibrated: pH meter

I liked the first cheap model that replaced this one. The old one had an included screwdriver that you used to adjust the pH to a solution. The new model - the first lasted a year, but the calibration was constantly lost with everyday use. This is not calibrated upon arrival. The electrodes are broken.

Pros
  • analytical instruments
Cons
  • weak