Fish swimming by filter intake

flyinGourami

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I don't really think anyone cares but I've just noticed something. My fish often swim right under the hob filter intake and are fine. I do have a sponge on the intake but it cover the bottom(theres like a hole thingy ) and some times the fish will literally hover and search for food right under it. Even the baby neon tetra seems to be okay lol.
 
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flyinGourami

flyinGourami

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StarGirl15 said:
There is actually a hole in the bottom?
??? Like you know the filter intake and how there is a tube.... the end of the tube is what I'm talking about.
 

StarGirl15

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the sponge doesn't cover but there is still plastic there right? Its not a open hole they can get sucked into?
 
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flyinGourami

flyinGourami

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StarGirl15 said:
the sponge doesn't cover but there is still plastic there right? Its not a open hole they can get sucked into?
Oh I understand what you mean... Yes of course.
 

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They pretty much have to be very small or weak to get sucked up.
 

Nascar291

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The sponge should be sealed at the bottom. There will be less suction on the sponge part if open on the bottom then that defeats the purpose. Aquarium Co op has the best prefilter sponges in my opinion.
 
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flyinGourami

flyinGourami

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e
Nascar291 said:
The sponge should be sealed at the bottom. There will be less suction on the sponge part if open on the bottom then that defeats the purpose. Aquarium Co op has the best prefilter sponges in my opinion.
why is there less suction? Also, I use the Marina 10 slI'm filter pre filter sponge... iS that okay?
 

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There will be less suction on the sponge part and more on the exposed part of plastic strainer.
 
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flyinGourami

flyinGourami

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Update/not really update: Saw this thread in the similar threads section and I really have no idea what I was thinking when I made it lol.
 

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