Keeps water clean with natural soil. 4 liters of substrate (^_^)/ Black color that makes medaka and other fish stand out!! - Brand: Tetra - Capacity: 4 liters - Features: Keeps water clean - Material: Natural soil * New, unused item. * Stored at home. (Please refrain from purchasing if you are concerned) * Returns and cancellations are not accepted. * Mostly ships on weekends. Thank you for viewing! m(_ _)m