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View Poll Results: Who turns off filters at night.
yes 2 3.85%
no 49 94.23%
sometimes 1 1.92%
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Old 06-04-2005, 11:55 PM   #1
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Turn of filters and pumps at night

I was wondering if anyone turns off their pumps and filters at night. It seems to me that the fish might need a break from the currents. I read that african clawed frogs could use the rest at night, so would fish be the same?
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Old 06-05-2005, 12:08 AM   #2
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How often does old mother nature turn off the current? Many of the fish we keep don't see near the current they would in native habitats.
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Old 06-05-2005, 12:08 AM   #3
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I never heard of turning off filters at night for any aquatic animal for any reason. If the current seems too strong, adjusting the pump or obstructing the outflow with a sponge usually works. Most of the time, filter current isn't a problem. If the fish or frogs have to struggle just to maintain position, then the pump/filter is simply too powerful for that sized aquarium.
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Old 06-05-2005, 10:09 AM   #4
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Since the tank inhabitants continue to produce waste, even at night, turning off the filter is not a good idea. In addition, the bacteria in the tank will sit in stagnant water all night, which will affect the biological filter and may result in the release of toxins from the lack of oxygenated water feeding the bacteria.
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Old 06-05-2005, 01:30 PM   #5
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It might be a stupid question on my part, but I was wondering if maybe fish find a quiet spot in their natural environment, out of the current, when they want to rest at night.

Here is the article where I read about shutting off the filter: http://aquaticfrogs.tripod.com/id1.html

I copied and pasted the quote where it is mentioned:

"I would also overfilter when it comes to the care of these frogs, it really helps with the water quality. For example, i use a Whisper powerfilter ment for a 70 gallon tank to filter my 40 gallon tank. I also suggest shutting off the filters at night. It gives them some peace and quiet and they do become very alive and active at night. I have been doing this for years and it has not made my water dirty or anything."

I have read this a few different places, when I was researching this topic.
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Old 06-05-2005, 01:52 PM   #6
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your *edit*aerobic*edit* bacteria that converts your ammonia to nitrite and then to nitrate in the absence of O2 starts converting nitrate to nitrite.. I think this is the concern of most of the people here.. I could stand corrected though..
LOL..
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Old 06-05-2005, 02:02 PM   #7
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Why not offer them some sort of cave or hideout?
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Old 06-05-2005, 02:05 PM   #8
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This is a fact:
Aerobic bacteria require O2 on a consistent basis to continue their function. A slow-down or shut down of O2 will lead to the bacteria slowly dying off, especially in a canister filter.

Since I'm sure that frogs continue to expel waste material during the night, it wouldn't be uncommon to see an increase of NH3 levels if that water was tested first thing in the morning.
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Old 06-05-2005, 02:34 PM   #9
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isnt it aerobic bacteria need o2?

oh and i thought it was the air pump so i voted yes. i turn off my air pumps but not my filter
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Old 06-05-2005, 02:45 PM   #10
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Ok.. Ill edit..LOL.. I keep anaerobic in my head.. Im always thinking of filtering out the nitrate..LOL.. give me a second..LOL
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