Seems Current USA doesn’t appreciate JBJ or Red Sea pushing out these “other” nano aquariums. Sure this nano aquarium has your usual everything is built into the back setup, including skimmer. However, there is one thing that Current USA got smart and added…an auto top off system. Quick Specs: 34 Gallons, 20″ x 20″ x 20″. Click the read link for all the info.