[14gallonbiocube]

hi i hav a 14 gallon biocube with a pretty low sand bed its been setup for about 4 months and i have live rock 2 clown fish a bangai cardinal a cleaner shrimp and a big cleaner crew. i was thinking on adding more live rock and live carib sea sand that i would buy from my fish store. my question is do i hav 2 take out all my fish before i add the sand, do i hav 2 wash the sand, and can i take the live rock out of my tank without killing all the coralline algae thats been growing on it so i can rearange the rocks after i add the new sand. also i would like 2 know what r some good live rock setups that i could copy in my tank.