Mattyfelts
Aquarium Advice Addict
I personally run an AC 300 on my 20G, with a sponge, some very fine gravel pouch, and 2 home made biological filtration bags (which work amazing for me)! I also run a Topfin 10 filter in the 20G too, with only biological in it!
What do you guys do!
What do you guys do!