hi does anyone have one of these? and if so are they any good? im thinking of this or a bluelab which i know is quality but i saw this and its constant moitoring and thought it might make things simple, cheers

hi ! yes ive just got one from a company called northern hydroponics and to be honest they are the dogs nuts well worth getting cost me £165 and worth every penny

hi mate got 1 of these myself and think its excellent.. but im havin problems trying to calibrate it, have buffer 4 and 7.. but was told i also need 1000, because its a 3 point calibration can u clear this up for me if u can mate.. and how do u do yours? nice1