GC Tek Biological Media Pressure-Treated Pine Proven in laboratory tests to

Proven in laboratory tests to be 3 times more effective than other carbons

Quickly move old water out of the aquarium and new

- on 18" diffuser 80 liters per minute

enzymes and highly concentrated probiotic microbes that are endlessly consume buildup

GC Tek Biological Media Pressure-Treated Pine Proven in laboratory tests toShips directly from the manufacturer, typically in 5 7 business days Filter beads are a floating media. The more buoyancy the beads have, the more effective they are. To increase buoyancy, each bead has been injected with air during manufacturing. This way, the beads stay afloat and stay away from the outlet slots on the bottom laterals, preventing the laterals from being clogged, which would prevent debris from being flushed out of the filter. In