| Description: | This article will attempt to cover all aspects of DIY CO2 systems used on freshwater-planted aquaria. Insights into the needs of aquatic plants in relation to CO2, and how this relates to CO2 injection methods, will be described. It will examine mechanical designs, and the biology of yeast relating to its ability and conditions by which it produces carbon dioxide. Formulas for yeast mixtures and some details on construction projects will also be provided. |