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Dennerle Carbo Bio Depot — Replacement Bio CO₂ Cartridges

Keep your planted aquarium’s CO₂ supply steady and your plants thriving with Dennerle Carbo Bio Depot replacement cartridges. These bio-activated CO₂ depots are designed to work with Dennerle bio CO₂ systems, providing a consistent release of carbon dioxide to support healthy plant growth, vibrant colours, and strong root systems without the complexity of pressurised CO₂ setups. Each cartridge uses CO₂ Constant Gel made from renewable raw materials that produces a steady stream of CO₂ over an extended period.

Key Features

Replacement cartridges for Dennerle bio CO₂ systems
CO₂ Constant Gel from 100% renewable raw materials
Provides steady CO₂ production for at least 40 days per depot

CO2 Refills