TDS meters?

Discussion in 'Grow Room Design/Setup' started by carcass, Sep 27, 2007.

  1. I know that for ph people say to get a good meter, is it the same with tds?

    ie, how much am i looking to spend so that i dont get garbage?
  2. Should be able to find a HM digital handheld to your door for under $30 on Ebay.

Share This Page