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Review on Hach H135 Professional MiniLab Calibration by Brad Jeffress

Revainrating 5 out of 5

Works perfectly! Not as fragile as these other pH testers.

Works great! It's not as fragile as the other ph testers with a very thin wire that breaks if you accidentally tap it lightly on something.

Pros
  • One point calibration on model H130 (recommended range: 5.0 to 9.0 pH)
Cons
  • Big and bulky