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  1.     
    #1
    Senior Member

    using pps tds meter

    can ne1 please tell me what my tds reading should be,ive just got a meter and its reading 168,dont know if thats right for 4 week old plants.

    cheers guys
    sc0usa Reviewed by sc0usa on . using pps tds meter can ne1 please tell me what my tds reading should be,ive just got a meter and its reading 168,dont know if thats right for 4 week old plants. cheers guys Rating: 5

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  3.     
    #2
    Member

    using pps tds meter

    do you mean your tapwater reads 168 or your solution reads 168?

  4.     
    #3
    Senior Member

    using pps tds meter

    its 490 now from my tank,tap water is about 180 with the meter
    cheers m8

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