I have a 125 gal tank which i used to have two stingrays in, 1 died and the other one i sold to a friend of mine.. what is the best way to remove 80lbs of sand.. I know some of you guys have removed your sand and went either gravel or bare bottom. I want to change to gravel because my filters are always making noise because of sand being sucked into the motors... since i have no more stingrays i want to go back to gravel thanks for any advice given.. I currently stock 2 CK's 1 RTC and a paroon