But have you used at least two different thermostats and tested the accuracy of both the heaters and the controllers? Never take that for granted.. I mostly use cheap magnetic thermometers but I do so cause after 20 years of fish keeping I’ve learned they are consistent for long periods of time. If figure this out by using many more expensive ones to verify over the years and found I can use 19 different ones and the average comes to what the $6 magnetic once’s read. I now use them to verify the digital ones on my salt tanks as well as verifying controllers and heater temps.. at they spot on accurate no they very about 2* but they are consistent and once I did the inaccuracy on one I mark it as such and account for that. I even have one that is 12* off from actual temp but it reads 1* up or down accurately.I was wondering about the socks in the washing machine. I’ll add that to the mix as well. No temp swings. I have heater on controller.
It’s not about what it says the temp is anymore cause I know.. it’s about it changing. I have 8 tanks as of a week ago in my house wo a fishroom.. these are all display type tanks in various rooms of the house threeof which are in my living room. Freshwater panted, freshwater predator and reef tanks.. he’ll my new 10g nano that’s a week and 2 days old has 5 fish and low nutrient still lol. I don’t know all the details but I know all the basics.. and that’s stability in everything and that doesn’t take Apex read outs I can do it with $6 thermostats and regular water changes..


