I have a question.... May be I'm overthinking this entirely and I should just get some sleep and stop thinking, but hey...
So water with any impurities freezes at lower than 0/32 degrees, right? Well, I'm calibrating my thermometers in a mostly-ice solution and all five thermometers are reading -1.1/30 after 5 min. May this test be slighty inaccurate that way? I'm using well water, so it's far from pure....
Should I keep trying to get a reading of 0/32, or say they all agree and that's good 'nuff?
So water with any impurities freezes at lower than 0/32 degrees, right? Well, I'm calibrating my thermometers in a mostly-ice solution and all five thermometers are reading -1.1/30 after 5 min. May this test be slighty inaccurate that way? I'm using well water, so it's far from pure....
Should I keep trying to get a reading of 0/32, or say they all agree and that's good 'nuff?