Reliable Cheap TDS ??

What is a reliable TDS/PPM tester that is cheap??

Truncheon Style Nutrient Meter

Our Price: $89.99 Normal Price: $119.99




www.stealthhydro.com

say the word growtips and get a 5% discount

here you go

http://cgi.ebay.com/NEW-TDS-Meter-HANNA-98301-Water-Tester-Hydro-Aquarium_W0QQitemZ290290786707QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item290290786707&_trksid=p3286.c0.m14&_trkparms=72%3A1205%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50