biOrb Flow 30L Aquarium Standard-LEDYou'll find the biOrb FLOW 30L Aquarium is a really easy aquarium to set up and own. Everything you need to start your aquarium is included in the box. It uses the proven biOrb filtration system and also has a built in LED light. The biOrb FLOW 30 is ideal for keeping small fish or shrimp and is compact enough to place on your desk or in a small space. Most aquariums use small box filters and or smooth gravel which easily clog with dirt. Like all