As noted, I'm in Florida (southwest) so I generally only use the heater to bring the tank up a degree or two above ambient (75) in the office when the AC is running. We typically only get a handful of "cold days" where the office might dip to high 60's or 70 overnight and I can run my office thermostat in "heat/cool" mode so it stays within a range. My target tank temp is between 79-80.
I have a single 300 watt eheim, but just purchased two 150 watt titanium Finnex. The finnex does not have an internal thermostat and the heaters will be controlled via the Apex.
I prefer to have my probes and heater in the display tank for more accuracy. Not to mention, if the return pump goes out and I need heat, the tank will at least continue to be heated versus boiling the sump
So I have a couple questions...
Am I looking for trouble using heaters with no built in thermostat? Should I be adding a controller to these heaters for redundancy?
If not, is using the one temp probe just fine, or should I have two with the second as a backup? (I'm switching from an apex classic to the 2016, so I have a temp probe I can scavenge from the old unit)
Should I run both heaters off the same outlet using a Y splitter? Coming on an off together?
Or... Should they be on separate outlets running together?
Or... Should they be on separate outlets with one coming on as the primary and if it drops below a certain temp, the second one fires up to support the first?
Thanks in advance!
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