when stacking rock, weather you use a support frame or not, arrange it to make several pathways through the rock work at the bottom, not only does this give the fish nooks and crannies to race through but it also allows a strategically placed power head to provide a positive water flow through your rock work and reduce the settling of crap where you can't get at it.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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