ok so i dont know where to put this but my tank has been 82 degrees all day everything in the tank looks happy and is open but the thing is that i’ve had a fan running on it all day and my room is 75 degrees and it still has a fan running and with use of ice i’ve dropped the temp to 80 i even unplugged the heater but why isn’t the temperature dropping and i’m using a glass thermometer any help or tips would help