that is actually what I've been thinking, right now I put 3 hydrometers and 2 thermometers that I had laying around, and after 2 hours all show different things in more or less same spot. will get digital on tuesday, everything is closed here tomorrow and on Monday ( Canada day) gosh... how come nobody cares about crazy people like me who'd drive all over city to get something for their frogs :lol: for now I'll try those 2 small UTH that I have at night and lamp for a day. I wonder if it is possible to calibrate thermometer/hydrometer in general.
do you think it is ok to buy from a show? I'm thinking they sit in a plastic cups here, nowhere to hide really, everybody is looking, lifting them up in a that cup + time/stress of getting to the show, etc... we will go on opening day early am, so whoever we'll get ( if :lol

shouldn't endure too much stress during actual show.