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Review on 🌈 Accurate Color Analysis Made Simple: Introducing the Hanna Instruments Checker Handheld Colorimeter by Christopher Wells

Revainrating 5 out of 5

Accurate and convenient!

I am a water treatment specialist. The tester works great. I understand that the test usually takes a while to measure silica, but it seems pretty accurate. Saved me a lot of time submitting tests and helped me sell devices! Thank you for a great purchase.

Pros
  • Adaptation of the EPA diazotization method
Cons
  • Not bad, but...