Tetra Plant - CO2 Optimat *

Never Used fully boxed. Look on Ebay and you will see the priced at around 13. TETRAPLANT CO2 OPTIMAT Practical and easy-to-use carbon dioxide (CO2) set for lush, healthy plants. Aquatic plants develop more strongly Encourages photosynthesis which enriches water with oxygen Helps prevent limescale deposits on aquarium glass Simple, reliable design for easy application