I'm planing to set up an amazon bioype tank in a 33 gallon tank. I have 2
aquaclear filters on this tank. I would like to a sand flourite mix as a
substrate, but am concerned about the sand getting into the filter
impellers. Or I can go with natural (uncolored) river gravel. I plan to have
40 watts of flourecent lighing, mainly swords and dwarf sag. Any opinions?