Originally Posted by Silenced
If you have been in the petco at the Rockville area, there is another local aquarium shop called "Congressional Aquarum" across the petco. Give it a try over there, not a bad idea to visit.
Here is the link http://www.congressionalaquarium.com/
BTW, you can take off from the Twinbrook metro station on Red line.
Thanks for the information sir. Will check it out definitely in person the next time I'm there.