GH Defguard Biofungicide/Bactericide

GH Defguard Biofungicide/Bactericide

GH Defguard Biofungicide/Bactericide

General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold) and powdery mildew.

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