Dennerle Carbo Bio Start CO2
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Dennerle Carbo Bio Start — Natural Bio CO₂ System for Planted Aquariums
The Dennerle Carbo Bio Start is a complete bio CO₂ fertilization system designed to support strong, healthy plant growth in freshwater aquariums. Using biological CO₂ generation from renewable gel, it delivers a steady and natural supply of carbon — the most important nutrient for aquatic plants. This improves photosynthesis, promotes vibrant plant colours, and helps plants outcompete algae.
CO₂ production begins automatically within 24–48 hours after setup, making Carbo Bio Start an ideal solution for both new and established planted tanks.
Key Features
- Complete bio CO₂ system for freshwater aquariums
- CO₂ Constant Gel made from renewable raw materials
- Steady CO₂ release for up to approximately 40 days per gel depot
- Includes diffuser, hose, gel depot and activator (varies by model)
- Simple to install and easy to use
- Supports faster plant growth and stronger root development
- Helps reduce algae by improving plant competitiveness
| Model | Recommended Aquarium Size | CO₂ Duration | Included CO₂ Diffuser |
|---|---|---|---|
| Carbo Bio Start 60 | Up to 60 L | ~40 days | Mini Topper |
| Carbo Bio Start 80 | Up to 80 L | ~80 days (two gel depots) | Micro Flipper |
