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Old 10-08-2012, 10:25 PM   #1
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So I think I'd like to get neons, or rasboras, or somethin similar to replace my current Australian rainbows, but I'm afraid that they'll get sucked up in the filter of my 20 gal. tank like before.

So my question is, can I use more smaller filter systems instead of one big one so that there's less suction from my hob filters? Also, with the little blue filter cartridges, should I really leave them in for more than a month, even though the instructions say to change them every month? And what's a good alternative to the blue cartridges ?
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Old 10-10-2012, 01:23 AM   #2
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Hello?
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Old 10-10-2012, 02:11 AM   #3
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On a 20g you really only need one filter rather than 2 small ones. Do you have a strainer on your intake? Only fish I've ever known to get sucked up a filter are fry. You do not need to change your cartridges once a month. When you do water changes just rinse your cartridges in old tank water and then put them back in. I use an old toothbrush to help clean them up. If you change your cartridges too often you can cause a mini cycle.
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Old 10-10-2012, 02:19 AM   #4
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What if I up to a 55 gallon
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Old 10-10-2012, 04:16 AM   #5
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Does your filter have a strainer??? If you upgrade to a 55 you could do 2 smaller filters, one bigger one, or one bigger one with a circ pump. Its your choice
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Old 10-10-2012, 08:11 AM   #6
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You can install a thin sponge around the intake to prevent fish from being sucked in. Be sure to clean it when you do your water changes, as it can impede the flow a little.
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Old 10-10-2012, 01:44 PM   #7
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I have a strainer, but they still got stuck, wrapped around the strainer, dying slowly.
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Old 10-10-2012, 01:53 PM   #8
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Quote:
Originally Posted by Lt.
I have a strainer, but they still got stuck, wrapped around the strainer, dying slowly.
The suction would have to be very strong to kill a fish. More then likely they are already dying and getting sucked to it.
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Old 10-10-2012, 05:09 PM   #9
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This happened months ago though, It's not a current issue
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Old 10-10-2012, 05:37 PM   #10
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Still. Fish will not get stuck unless they are ill.
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