heater and lid - The Planted Tank Forum
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post #1 of 4 (permalink) Old 08-07-2015, 05:27 PM Thread Starter
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heater and lid

do I have to have a lid with a heater or can I just let it run without it? when I leave the lid on it gets warmer than if the lid was off
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post #2 of 4 (permalink) Old 08-07-2015, 06:08 PM
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In that situation, I would just set the thermometer for the lowest temperature you want to maintain. Then, it will only turn on, if needed.
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post #3 of 4 (permalink) Old 08-07-2015, 07:41 PM
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There is no one firm answer as we all have different tanks and needs.
One biggie when deciding on lids is how your fish act. Almost all fish do some jumping and when spooked they may jump out so no- lid can be a hazard. Different fish, lower water levels or things to block the jumpers are ways to change this. Light diffuser panels can work to keep the fish in and let the heat out.
You will get more trapped heat when you have a lid. This can be good if you need the heat but at times like summer it will depend on how you feel about the higher temp or losing more water from evaporation.
For many, unplugging the heater is a good move during the warmer months. It is one sure way to KNOW that the heater will not malfunction and cook your fish. But then you do have to be alert when the heat is needed again. For me, my house runs at 76 degrees or more during the summer so --no heater needed. Your results may vary!!!
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post #4 of 4 (permalink) Old 08-07-2015, 09:07 PM
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Also a loud slows down evaporation some, but no a lid is not required.

If you can't maintain the temp you want with out a lid you might need a bigger heater, otherwise just readjust it
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