I really want this sponge because I like that it is cut-to-size, but it's driving me crazy because it's bright yellow and I'm worried about the color leaching out. Do you think this will happen? http://www.amazon.com/gp/aw/d/B0089L...r=1-15&pi=SL75
It just looks like regular old filter sponge to me. Biochemical is probably the wrong word to use...maybe they meant "biological" and are using a fancy word for it.
It's probably fine, whichever you want. Floss, sponge, etc.
If you're just sticking it in your filter, so long as its made specifically for aquariums and filters then just about anything is pretty much the same and should be fine. Personally, I just head over to my local Petsmart and pick up a little box of those white Fluval filter sponge sheets...I think they're about $7 for a pack of two? The pores are large enough, without being too large, to make good baffles too, which is why I like them.
IMO, sponge is a better media then the floss that comes on cartridges and such. On top of some extra space for BB to colonize, sponge isn't going to wear down and fall apart like floss will eventually.
If you're just sticking it in your filter, so long as its made specifically for aquariums and filters then just about anything is pretty much the same and should be fine. Personally, I just head over to my local Petsmart and pick up a little box of those white Fluval filter sponge sheets...I think they're about $7 for a pack of two? The pores are large enough, without being too large, to make good baffles too, which is why I like them.
IMO, sponge is a better media then the floss that comes on cartridges and such. On top of some extra space for BB to colonize, sponge isn't going to wear down and fall apart like floss will eventually.
Thank you. I think I will go with the sponge then :)
Yep I use aquarium sponge rather than filter floss. The only purpose of filter floss to me is to polish the water and remove any fine particles as the water circulates through the filter.
It is not really designed for long-term use as it breaks down eventually and needs replacing.
A good more permanent solution is to use ceramic noodles or bioballs. They provide lots of surface area for bacteria to colonise, and like sponge are extremely durable. I don't know if they ever actually break down.
I have thick filter sponge in my goldfish tank filters, and even with it being over two years old, and needing to be rinsed off once a week during water changes (because of the amount of mulm that accumulates), it doesn't show any signs of needing replacement.
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