miltiadis_s
Fish Fanatic
- Joined
- Mar 27, 2006
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- 121
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sup. i have a mini internal filter and it originally came with sponge. i want to change it, do i have to use sponge or can i use other materials like FOAM, WOOL etc?
also my tanks height is 24cm, what size gravel cleaner do i require?
thanks
also my tanks height is 24cm, what size gravel cleaner do i require?
thanks