The BioScape CO2 Reagent B-200 is a 200 gram reagent designed to be used in a variety of scientific and industrial applications. This reagent is a white, granular powder that is used to adjust the pH level of water by adding a measured amount of carbon dioxide. It can also be used to adjust the carbon dioxide content of soil or other media. It is an ideal reagent for use in greenhouses, laboratories, aquariums, and other applications. The BioScape CO2 Reagent B-200 is a reliable, easy to use, and cost-effective way to ensure the proper pH level and carbon dioxide content in any environment.