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View Full Version : New substrate without damaging plenum filter??


oodle
07/10/2011, 02:08 PM
Hey,

I have a plenum filter system and I've been wanting to change the kind of sand I have in the aquarium. So my question is; can I change just the substrate with disturbing the filter?

The sand that's in there now is Red Sea Reef Base; so I think you can see why I want to replace it with something more natural.