The Tetra Plant CO2 Optimat is a simple piece of equipment for adding carbon dioxide to the aquarium. It is used during periods when the lights are on, to improve growth rates by enhancing photosynthesis.

• Easy way to enrich aquarium water with CO2.
• Aquatic plants develop more strongly.
• Prevents lime deposits on leaves and glass.
• Consists of 11g CO2 depot, diffusion tube and connection tube.
• 1 kit treats 100 litres.
• Normally delivered within 3 days.
• Please see note regarding small order charge.