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This is a discussion on Filter question within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Is it possible to have too much filtration? I have a uv filter and it seems very powerful and makes lots of bubbles! I ...

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Old 01-17-2013, 02:38 PM   #1
 
Filter question

Is it possible to have too much filtration? I have a uv filter and it seems very powerful and makes lots of bubbles! I have tried to point it at the glass so it's not to strong for the fish to swim against but it doesn't seem to be helping much. I usually use a fluval 4 (old style) but it didn't seem to make much movement. I don't want to damage my fish but both the pumps came with my tank so no instructions

Thank you in advance
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Old 01-17-2013, 06:15 PM   #2
 
Hi Rose, welcome to TFK!

Although some fish enjoy a good current, many, if not most, do not and it forces them to 'work' very hard to even remain still. This can be very stressful for some fish.
Like the use of activated carbon, most folks here by consensus see little need for a UV sterilizer. Although they can be very effective treating an algae problem, many would suggest that the root cause is elsewhere (nutrients and lighting). If you can't reduce or redirect the flow, you might consider not using it at all.

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Rose663 (01-18-2013)
Old 01-17-2013, 06:50 PM   #3
 
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Quote:
Originally Posted by Rose663 View Post
Is it possible to have too much filtration? I have a uv filter and it seems very powerful and makes lots of bubbles! I have tried to point it at the glass so it's not to strong for the fish to swim against but it doesn't seem to be helping much. I usually use a fluval 4 (old style) but it didn't seem to make much movement. I don't want to damage my fish but both the pumps came with my tank so no instructions

Thank you in advance
if at all possible you could try partially closing the valve to the pipes. I have bot eheim and fluval cannister filters and there are valves on them, slows down the current enough
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