WIO Nautilus Dark River Kit - Create Exotic Aquascapes Inspired by Nature nano tank CO2 No — the soft granule

No — the soft granule format sinks and softens without disintegrating the way flake food does

How often does the reactor need replacing

connected to your CO₂ line via standard tubing

Modes: Plant

or fish-only tanks who want a mode tailored to their setup

WIO Nautilus Dark River Kit - Create Exotic Aquascapes Inspired by Nature nano tank CO2 No — the soft granuleCraft a breathtaking aquatic biotope in your aquarium with the WIO Nautilus Dark River Kit. Inspired by the unique ecosystems of Lake Turkana and the Pantanal wetlands, this all in one kit includes dark sands, gravels, and Black Venom Stones, offering everything you need to create a vibrant, natural environment for your aquatic plants and fish.