MicroLife MicroGro Liquid AF - QUARTMicroGro AF is a potent, all organic, liquid bioinoculant designed to safely and effectively outcompete harmful soil and leaf pathogens. This formula contains eight highly effective beneficial microbes that colonize plant surfaces and root zones. Use it preventatively or to help resolve active issues. Shelf stabilized for 18 months. This is not a fungicide, but it works exceptionally well, providing natural protection without toxic side effects.