GH Defguard Biofungicide / Bactericide QuartGeneral 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. It also controls anthracnose; bacterial leaf blights, spots and specks; black mold; black spot (on roses); brown spot; fruit rot; and leaf spots. If you need a biofungicide bactericide that

Mini-Blocks™ sit in a tray (flat) without support for easy starting of seeds and cuttings

Leaves behind NO odor

Norwegian kelp and essential micronutrients to support vigorous vegetative growth

increase yields

Improves the environment for pollinators

while allowing the stems of your cuttings to be completely unrestricted to the inside of the misting chamber

Accessories & More

7 gallon controller module

particularly botrytis (which causes botrytis blight

These mats are 20% larger than competitive mats

Taste and aroma can be compromised

ACTIVE AQUA 40 GALLON PREMIUM RESERVOIR KITSstore pickup onlyOur convenient Premium Reservoir Kits include one reservoir