Prokure G - 25 Gram Chlorine Dioxide Fast Release Gas, 2250 cu. Ft., Case of 12 PacketsChlorine Dioxide based fast release gas helps control odor causing bacteria, mold, and mildew As a cultivator, maintaining a consistent grow environment is critical. Thankfully, ProKure products can address a wide range of the most common cultivator issues, depending on the product series and ClO2 concentration levels. Formulated for use between harvests to control odor causing bacteria, mold and mildew, ProKure G is an EPA registered ClO2