Yep you're right. Thought of that after I posted.haninja;417944 wrote: That's not a fuge. Its a remote deep sand bed.
EnderG60;417941 wrote: I had one of those, it sucked. Actually caused nitrite spikes and algea blooms for the entire 2.5 months I ran it.
Took it off and made a sulphur denitrator...better!