preventing tetras gettin sucked into filter - Tropical Fish Keeping - Aquarium fish care and resources

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post #1 of 11 Old 12-01-2011, 05:52 AM Thread Starter
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Question preventing tetras gettin sucked into filter

Hi, anyone else had problems with tetras getting sucked into the filter intake? When i first got some tetras, 2 of them completely disappeared in the first few days, no bodies even. Then i found a third one sticking out of the filter and it confirmed what i'd been reading that they could be getting sucked into the filter. As suggested by someone then, i have covered the intake with some nylon tights to prevent this happening. Haven't lost one since (except one to swim bladder infection). Only thing is i'm worried its affecting the performance of the filter. Is there anything else i could use?
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post #2 of 11 Old 12-01-2011, 07:53 AM
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You could use a sponge made for the filter intake but I think it may slow down the filter more than panty hose will.
Aquarium Pre Filter; Filter Max intake filters for HOB, canister filters, etc.

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post #3 of 11 Old 12-01-2011, 02:57 PM
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Those prefilters are perfect, I use to use one before I switched from HOB filters, they have a large surface area so draw of the pump wont be impeded too much where as nylon will get clogged up easier and reduce the amount of water being sucked up.
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post #4 of 11 Old 12-01-2011, 03:08 PM Thread Starter
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never heard of them? Where do you get them from?
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post #5 of 11 Old 12-01-2011, 03:14 PM
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You can also DIY/make a pre-filter sponge. I have DIYs on my intakes, and I think they actually look better than and function at least as well as the pre-made ones.

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post #6 of 11 Old 12-01-2011, 03:20 PM Thread Starter
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do you mean, cut up one of the plain replacement foams to cover the intake?
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post #7 of 11 Old 12-01-2011, 03:40 PM
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I used a sponge from my LFS that was made for marine something or other. It was black and a tube shape. I closed off one end with a rubber band. I turned it inside out. I took off the intake strainer, and slipped the sponge over the intake tube and made sure to leave a couple of inches between the end of the intake tube and the rubberbanded/bunched part. Done! It looks much like a boom mike. Its been working well in two of my tanks. Its perfect, and for less than $5 and 2 minutes. I'm happy.

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post #8 of 11 Old 12-01-2011, 04:21 PM
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i use this on both my AquaClear 110 and TopFin30....i figured it slows down the flow a little so my little 29 gallon isn't a whirlpool because of the flow of those two filters, and it adds an extra layer of filter material

Fluval Edge Pre-Filter Sponge - Filter Media - Fish - PetSmart
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post #9 of 11 Old 12-06-2011, 06:10 AM Thread Starter
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Thanks, but my filter is an interpet one, wont fit those, but appreciate the ideas! Will look for something similar that fits mine
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post #10 of 11 Old 12-06-2011, 07:09 AM
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Quote:
Originally Posted by caseybrett View Post
Hi, anyone else had problems with tetras getting sucked into the filter intake? When i first got some tetras, 2 of them completely disappeared in the first few days, no bodies even. Then i found a third one sticking out of the filter and it confirmed what i'd been reading that they could be getting sucked into the filter. As suggested by someone then, i have covered the intake with some nylon tights to prevent this happening. Haven't lost one since (except one to swim bladder infection). Only thing is i'm worried its affecting the performance of the filter. Is there anything else i could use?

Would maybe not be so quick to blame the filter intake for death of tetra's.
Healthy fish can easily avoid being drawn near the intake in the majority of tank's.
Under your aquarium's ..you list Mollies and Cardinal tetra's.
While both species appreciate warm water,,the mollies appreciate/need hard,alkaline water and the Cardinal tetra's need softer water.(two different need's) One or the other of these, will not be comfortable in the long run.
When water does not suit the fishes being kept,,then they become stressed,sickly,and could easily be drawn to the intake as they become weaker and die.
Snails and other fishes would readily eat from the remains of the dead fish and this could be why no bodies were found.
Just a heads up should you observe more cardinal death's.

The most important medication in your fish medicine cabinet is.. Clean water.
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