01-21-2012, 07:29 AM
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Originally Posted by afremont
Have you made sure that the thermometers all agree by banding them together and placing them in some water to compare the measurements. How do you know that the heater is set to 76? The one heater that I have that is calibrated in actual degrees was off by 4 degrees until I recalibrated it. The lighting will add some heat, but if your room is in the mid 60s, that should override it. Pumps, powerheads and filters all add some amount of heat to the water, but usually not very much if they are the proper size.
I agree with this post. I have a heater which the dial will say one thing, but that doesn't mean the temp in the tank is that temp. Example, my heater could also be used in a larger tank. The dial says 72, but my tank water temp is 78. Slowly keep turning your heater down one notch at a time, and read your thermometer in the tank. When you get it where you want it, then leave the thermometer alone.
I have the exact algae, and Byron told me it was brush algae, from my pictures. Seems to be a light issue. I've got my lights down to 7 hours per day.