I currently have the same meter and very happy with the way it works. I bought mine from neHydro.com, Hydroponics and Gardening Supplies for 149.95 and that included the calibration solution (the e-bay 1 does not) and free shipping!! :thumbsup:
tinytoon Reviewed by tinytoon on . nutrients testing Anybody have an opinion on the continuous trimeter PPM/PH/Temp that you can find on ebay for about $115? Don't want to spend the money if it is not worth it :cool: Rating: 5