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Sponge filter help

2K views 7 replies 5 participants last post by  Byron 
#1 ·
Im considering getting a sponge filter for my 29g very soon. I was looking at Hagen sponge filters online but none of the descriptions tell me which size aquarium they go on. The only other sponge filters I could find were by Lustar. I dont think I'd like these because they look way too bulky and they can only sit on the substrate.

Can anyone show me exactly which sponge filters would work for my tank?
 
#2 ·
If the Hagen are the Elite series, the dual sponge is fine; I have one of these in my 20g and 29g. Photo attached. They only make a single sponge and a dual sponge filter. The dual is better for the 20+ tanks.

There is also the Hydro series, they sit on the substrate like a sort of "tank" or "tower" in appearance. They come in various sizes according to the tank volume; photo of the series attached for reference. I don't know anything about the Lustar make.

Byron.
 

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#4 ·
How bulky are the dual sponge filters?
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To answer that, here's one in my 20g, right rear corner. You can adjust the stem to lower the sponges closer to the substrate, and each sponge will swivel forward so you can have them vertical as in the photo or horizontal, or any spot between. In my 10g I have a single sponge and horizontal close to the substrate and it is behind a chunk of wood.
 

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#5 ·
As mere food for thought, following the lead of another member here, I added sponge filter capability to a standard HOB filter using the Fluval Edge Pre-Filter Sponge. It's very inexpensive and is backed by the HOB filter which may remain as a cartridge filter, or may be modified for different or additional bio-media.
Fluval Edge Pre-Filter Sponge - Filter Media - Fish - PetSmart

In addition to providing sponge filter capability, the pre-filter allows the media in the HOB to last much longer between servicing. I am currently using them (2) on my two AquaClear 70 filters on my 60g.
 
#6 ·
I have the Luster Hydro sponge in my 60 gallon and it does a great job. I does sit on the substrate and I just have the pump line attached and wrapped iwth Pennywort. I have plants all around it right now. Long grassy stuff behind it and swords in front. Keep it far enough away from each side so that fish can easily swim around it. When you do your water changes or at least every few times you do, take it out of the tank give it a good squeeze rinse in the tank water that you take out and put it back in. It is amazig how much that thing can take out of the water. I love them.
 
#8 ·
I fiddle with the photos a bit in Windows because my cheapo camera does not take particularly good photos. I try to get the photos close as possible to the actual aquascape when sitting in front of it. I need a new camera, but that is not high on my priority list. Rather get more nice fishies.;-)
 
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