tank info: 60g glass; Cascade 1000 canister filter; AquaClear power head; Timed 30w fluorescent tube light. (on 4, off 2, on 2, off night); Brand new 200w theo heater. (I never see the light come on); 5 Tin Foils, 1 Comet and a snail.
This has been going on for a while now. Even when the outside temp has been much lower. I've changed (bought a new canister) the filter and the heater so I don't think it can be them. The temp moves around between 75 and 82 and sometimes it stays stable at whatever. I thought it must have been the heater and replaced it but no change. I've put another digital thermometer in and they read the same. It's sitting beside a window but does not get direct sunlight. The wall feels cool to the touch. Window stays closed and doesn't leak. Current outside temp is 91, room temp is about 70, tank is 79.3 degrees. There's no other heat source I know of around it so...
I'd like to keep it around 75 (and it did stay down there a few days ago) so the Comet isn't too hot and the Foils aren't too cold. I can't see it being the heater (two in a row?) but I think I'll unplug it and see what happens. Still, any thoughts? What am I missing?
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