Pre-filter Sponge

LynnwoodFishDad

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I am running an AquaClear 50 in my 36 gallon bowfront. I’ve removed the carbon and have a bag of crushed coral in it as I have super soft water.

Anyway, one of my KuhlI loaches loves to swim up the intake pipe and I’ve pulled it out of the filter 4 times. I bought a pre-filter sponge at my LFS to solve that problem.

I’ve noticed that my water is getting cloudier with small debris. Any advice?
 

PeteStevers

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He fits through the "mesh" of the intake? Must be a very small kuhli. I've used those pre-filters as well as I have RCS and they end up clogging rather quickly. You really need to squeeze the **** out of them so they will let water pass through. I had to do this every couple of weeks to keep the water flowing properly through the filter. I ultimately ended up purchasing a canister filter and a stainless mesh pre-filter that doesn't clog.
 
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LynnwoodFishDad

LynnwoodFishDad

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The “mesh” is a series of vertical inlets and I’m hoping he got fat enough last time that he doesn’t fit anymore. LOL
 

Kevin Dennis

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I'm not sure what prefilter you are using.

I've used the Fluval Edge prefilter sponges on aquaclear 20 and 70 models. I have now stopped using them because they clog so quickly. Especially on a 300gph filter, they can almost completely stop filter flow in 2 or 3 days.

That's why your water is cloudy.

A more "coarse" filter sponge is the solution but I have not found one.
 
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LynnwoodFishDad

LynnwoodFishDad

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I removed it after posting and it is clearing up somewhat. I haven’t found anything more corse than what I have.
 

jmaldo

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I had a similar issue when I used AquaClears along with the Fluval pre-filter on the intake. Did go to a coarser sponge and helped. But the "Best" solution IMHO is when I used Poly Fill in the top of the Aquaclear. After a few hours the water was "Crystal Clear".
If it is that bad "Do a water change" it never hurts.
Good Luck
 

Islandvic

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LynnwoodFishDad, here are pics of 2 different types of sponge pre-filters I use......


From Petsmart....




From the interweb.....

ATI Hydro Max III



Kensfish.com, Jehmco.com has the best prices and selection for ATI products.


Here are some pics of how Polyfil can be used that jmaldo suggested.








In the pics, the loose fill version of the Polyfil was used.

I now use the batting version, and prefer it.
 

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