Get a free Christmas card with your order now! ESSENTIAL ADDITION: Give your aquatic plants the necessary boost to thrive with our CO2 tablets. As a growth aid for aquatic plants, they provide plenty of carbon dioxide for healthy growth. A practical solution for vibrant aquariums. ECO-FRIENDLY CO2 Source: Our CO2 tablets use natural plant extracts and are safe and organic, so they do not harm the fish and do not contaminate the water quality. You can rest assured that your waters are free of harmful substances and your fish and plants can thrive. Long-term vibrancy: thanks to the gradual release of carbon dioxide, our CO2 tablets ensure a constant supply of nutrients to your aquatic plants. This promotes healthy growth and increases the efficiency of photosynthesis, resulting in a stunning underwater landscape. Hassle-free: Save time and effort by adding our CO2 tablets for aquarium according to the amount of water. Enjoy healthy plants without the need for additional equipment or steps. Widely used: CO2 tablets for aquarium plants can be placed anywhere in the water tank, but not in the filter for a better effect. They also allow the aquatic plants to absorb carbon dioxide evenly, making them healthier and more beautiful.