doc111 Well-Known Member Sep 4, 2009 #2 Argentino619 said: And where can i get one Click to expand... I think you are talking about an EC/TDS meter. You need to find your local hydro shop or order off of the internet.
Argentino619 said: And where can i get one Click to expand... I think you are talking about an EC/TDS meter. You need to find your local hydro shop or order off of the internet.