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17 Posts
For a deep gravel/sand bed - why not put down a layer of those ceramic bio rings? Since it seems like the less you mess with them the better, if they're just under the gravel wouldn't they be a good environment for lots of good bacteria?
I've never heard of this so I assume it doesn't work for some reason (not enough o2 I'm guessing).
I've never heard of this so I assume it doesn't work for some reason (not enough o2 I'm guessing).