Dennerle Carbo Bio Start CO2 Variant:Start 60 Use Clarity to accelerate clearing

Use Clarity to accelerate clearing

These filters are perfect for both beginner and experienced aquarists

100 W heater included — ready for tropical aquariums

Supports faster plant growth and stronger root development

Dennerle Carbo Bio Start CO2 Variant:Start 60 Use Clarity to accelerate clearingDennerle Carbo Bio Start Natural Bio CO System for Planted Aquariums The Dennerle Carbo Bio Start is a complete bio CO fertilization system designed to support strong, healthy plant growth in freshwater aquariums. Using biological CO 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