THE CONTAINERS CAN BE FOUND AT WAL-MART, K-MART, TARGET OR ANY PLACE LIKE THAT FOR FAIRLY CHEAP PRICES. SOUNDS LIKE YOUR MAIN FILTRATION IS YOUR LIVE ROCK, YOU MAY WANT TO PUT A POWERHEAD IN THE CONTAINER WITH THE LR UNTIL YOUR READY TO MOVE, THEN PUT THE POWERHEAD BACK IN AS SO AS YOU REACH...