Hanna checker Hi 713

So changing subject a bit...How good? Accurate? and time saving/easy testing are these Hannah testers compared to old school drops/color judgement readings?

Depends on the parameter.

IMO, Hanna only shines for low phosphate. Nitrate is new and possibly that too. Nothing else is it preferable, IMO.
 

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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