Dennerle Carbo Bio CO2 Depot Refills wood 5 mg/L in marine or

5 mg/L in marine or freshwater

compact profile to fit seamlessly in any aquarium

Sturdy mechanical filter body with grids to allow a lot of water to be filtered

and colour will vary from piece to piece

and soft pad

Dennerle Carbo Bio CO2 Depot Refills wood 5 mg/L in marine orDennerle Carbo Bio Depot Replacement Bio CO Cartridges Keep your planted aquariums CO supply steady and your plants thriving with Dennerle Carbo Bio Depot replacement cartridges. These bio activated CO depots are designed to work with Dennerle bio CO systems, providing a consistent release of carbon dioxide to support healthy plant growth, vibrant colours, and strong root systems without the complexity of pressurised CO setups. Each cartridge uses CO