02-01-2009, 10:52 AM
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Is it me or the heater?
I have a 20g tank, and I am using a Hydar 100w heater. I have it set to the maximum setting, 87ºF, but I have seldom seen the tank over 75º. This is the very bottom of the tolerable range of temperature for my tetras. This become a big problem when I do water changes and the temperature drops below 70º and often stays there for almost 24 hours. This seems like it would be very stressful for my fish. Is it something I'm doing wrong, or is the heater just being unreliable, and if so, which brands of heaters have you guys found to be consistent?
EDIT: The tank is also near a window, so that might be the problem, I guess.
Last edited by meatball; 02-01-2009 at 10:54 AM..
Reason: Remembered the window part