[bulletsworld]

Originally Posted by mike31154

I use a number of different thermometer types including the stick on cheapies. IME, the stick on is within half a degree Celsius (yes I prefer C over F) of the two digital thermometers in the display. I've seen plenty of threads with folks reporting that the digitals are off. No type of thermometer is foolproof. One of the ones I liked the most was in fact a floating glass thermometer/hydrometer combination. The hydrometer part of it was accurate as well when compared to my refractometer. It's well established technology, needs no batteries etc, the drawback being that they're breakable as you've experienced.

As far as accuracy, how much is really needed in the hobby? I often see folks reporting a salinity of 1.0264 on their refractometers. What's up with that last decimal point? The scale makes it almost impossible to read off that level of accuracy, it's at best a guess. If you just need a quick check to ensure you're heaters aren't malfunctioning, a stick on thermometer will do that for you nicely. Even if it's off a few degrees, it will keep you in the 'ballpark' so to speak.

GOOD POINT! Well said! I do have digital thermometers ($15 a piece new) that I use for my tub transfers. I have found them to only last me a few months before they go, battery goes low, salt build up on the probe, or water splashes on them. However the gauge reads a bit inaccurate at times against the same brand thermometer but as long as its close. I used glass cause I used it against the others to see what is correct. Especially when the digitals read all different in the same water. It's time for a controller!

Dear Santa... Let me explain. Hehe