Suppliment your existing filtration system and capture the benefits of Miracle Mud. Refugium with Miricle Mud provides continuous releasing of nutrients/minerals and trace elements into your aquarium. Creates an ideal “Nursery” area for fish fries. Refugium establishes controlled growing area for micro algae which can reduce nuisance “hair” algae grown in the main aquarium. Reefugium 200M Specifications: - For aquariums up to 300 gallon tanks - Dimmentions: 36"L x 8"W x 8"H Reefugium 200M Includes: - Acrylic Reefugium Tank - 20 lbs of Miracle Mud - Two (2) 13 watt Power Compact light fixtures - Rio 2100 Water Pump - Intake Hose and Return Flexi-hose with fittings - Ready To Run