Hanna checkers

The Hanna checkers seem to be a mid point between the basic test kits and full automated testing. I have several Hanna checkers, including alk, phosphate, calcium, and pH, and look forward to getting the Nitrate checker soon. I sometimes struggle with color variations so I appreciate having a number.
 
I use the Alk and LR Phosphate regularly. I also have the calcium checker but rarely use it. I also have the Hanna Checktemp Digital thermometer that I use constantly. I was interested in the nitrate checker until I saw it takes 8 minutes and requires a lot of steps.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%

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