Aquarium Plants That Thrive Without CO2: A Beginner’s Guide Aquarium plants add beauty, oxygenate the water, and provide a natural habitat for fish. However, many new aquarists are often intimidated by the idea of maintaining live plants, especially when they hear about the need for CO2 injection. The good news? Not all aquarium plants require supplemental CO2 to thrive. In fact, many hardy plant species can flourish in low-tech setups, making them...
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