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whats a good PPM meter

Discussion in 'Do It Yourself' started by Dabber68, Dec 5, 2017.

  1.  
    Dabber68

    Dabber68 Well-Known Member

    Looking to get PPM meter is it a necessary item and of course I'll have to read up on how to use one LOL. I have a ph meter I was smart enough to get 1 for my 1st grow knowing that ph is very important. Now time to learn more from the more experienced growers Thx in advance
     
  2.  
    swisha

    swisha Well-Known Member

    Hanna or Bluelab
     
    Dabber68 and Stink Bug like this.
  3.  
    OldMedUser

    OldMedUser Well-Known Member

    Any brand will do but need to know the scale it uses to be accurate when using. Are you using your pH pen properly and keeping it in storage sol'n between uses and not RO water that will destroy it? Calibration sol'n for both pens?

    Different pens use different scales so make sure you know which your pen uses.

    PPM-EC-CF.jpg

    Good luck!

    :peace:
     
    Dabber68 likes this.
  4.  
    Dabber68

    Dabber68 Well-Known Member

    Bought a cheap one.
     
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  5.  
    OldMedUser

    OldMedUser Well-Known Member

    I still use my old Hanna I bought about '82 for $70 and it is almost always dead on with a new TDS EZ One from HM Digital I ordered from a health food place in New Mexico with a couple of .9999 silver wires for making colloidal silver for $24US when it was par with CanukBux. The Hanna reads with a 10X display but I needed finer tuning so got the new one as it reads in single digits. Mixed down some of the 1000ppm calibration sol'n to 20ppm and the new pen read 19 so good enough.

    If it's not waterproof just make sure you don't drop it in salty nutes and it should last for years. If it starts reading wonky or goes way out of calibration it likely needs new batteries and you can mess them up trying to match the calibration sol'n with the little screw when that happens.
     
  6.  
    Dabber68

    Dabber68 Well-Known Member

    I will ck it out many THX
     
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  7.  
    PetFlora

    PetFlora Well-Known Member

    After having gone through several Hannas, I now buy Milwaukee, etc from Amazon. Works fine and cheaper to replace than just the tip
     
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  8.  
    OldMedUser

    OldMedUser Well-Known Member

    No tip changes with ppm pens so you must be talking about pH pen probes. Often cheaper to get a new pH pen.
     
  9.  
    Terry385

    Terry385 Well-Known Member

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