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At Modern Aquarium, we know the importance of balancing all aspects of your aquarium environment. Without the right levels of oxygen and CO2, your live plants and fish could struggle. From filtration to CO2 systems, we’re here to help you find all the equipment you need to ensure your aquarium and all of its inhabitants thrive. If you’re looking for an aquarium CO2 system to maintain an optimal environment for your plants, explore our full range of options today.