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Thread: TDS water meter

  1. #9
    richjam1986's Avatar
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    Been wanting to get one of these for a while now. With these recomendations, maybe it's about time...
    Da' mishu
    Provo, Utah.

    My Growlist: http://www.terraforums.com/forums/sh...29#post1089429

  2. #10
    does this rag smell like chloroform to you? boxofrain's Avatar
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    I use the Truncheon made by Blue Lab. No worry of drying out the sensor, auto shut off, all 3 reading configurations for those who like EC over PPM.
    "the memories of a man in his old age, are the deeds of a man in his prime"

  3. #11

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    Like i understand from you guys, Hm is good brand, http://www.ebay.co.uk/itm/2209484612...84.m1423.l2649 this what i show, HM TDS3 with Auto-off function , thats mean, i can buy this one .

  4. #12

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    I already order, what you think, this be alright?

  5. #13
    Hello, I must be going... Not a Number's Avatar
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    Yes, you are good to go.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

  6. #14

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    I already measured water, from sink 78ppm, from Brita filter 71ppm. Is good, yes?

  7. #15
    Hello, I must be going... Not a Number's Avatar
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    You'll hear differing opinions. Some sources say 50ppm and less is safe. Other say 100ppm or less. There are plenty of CP growers how have been happily growing their plants for many, many years with TDS measuring between 50 and 100 ppm.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

  8. #16

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    A what about Calibrate? I didn`t do it. How to do it? Because i see on back of TDS meter says : Calibrate with NaCl

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