I'm looking at growing some aquarium grass to entertain my fish. The instructions that I read keep talking about CO2 injection.
Will my aquarium plants grow with out adding CO2? How do I add it?
I have been able to grow many aquarium plants with lots of light and a good substrate. What worked best was an inch thick layer of clean sand. Light is the most common limiting factor.
I suspect the recommendations for CO2 are for an aquarium that is operating at close to capacity where the fish do not produce enough CO2 for the plants to absorb.