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05-10-2007, 05:35 PM

u can place a sponge with rough surface and big holes at this layers to filter out the large debris so the finer debris (fish poo) can go into the bio home layer..

05-10-2007, 05:35 PM	#10
mtanec Guest Posts: n/a	u can place a sponge with rough surface and big holes at this layers to filter out the large debris so the finer debris (fish poo) can go into the bio home layer..