Digital Ph tester pen what to get?

Discussion in 'Growing Marijuana Indoors' started by kronos416, Jan 14, 2008.

  1. #1 kronos416, Jan 14, 2008
    looking to get a digital Ph tester the pen kind. id like something waterproof and that will last for a while. any suggestions on what to get and what to stay away from? thanks
     
  2. #2 Soccerman888, Feb 7, 2008
    Do they sell digital ph testers in stores or do you have to order them online?
     
  3. #3 k4rts, Feb 7, 2008
    they sell them online and in stores.
     
  4. #4 Soccerman888, Feb 7, 2008
    what kind of stores sell them?
     
  5. #5 blanchdave, Feb 7, 2008
    the 1 made by hanna is suppose to be good.... but whatever u get, make sure to get buffer solution to calibrate it.
     

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