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Discussion Starter · #1 ·
Ive seen tanks with nothing but a HOB filter on them. I was told at the LFS that these were smaller tanks taken directly out of fully established tanks and don't need to be cycled and thus no need for a sump or skimmer.

Is this true? I'd much rather have a biowheel and powerhead than a sump.

What's the deal with a tank being able to support itself with enough live rock? I hear that wet/drys are nitrate factories after a while. Should I get it running with a sump and once the tank is perfectly balanced just run a biowheel over it??
 
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