• SKU: 34-299

• Description: Those little black flying insects that hover over your houseplants are not just a nuisance. They're destructive fungus gnats, which live in the soil and produce hungry larvae that devour plant roots. Gnat Guard to the rescue! A single application of this biological control (naturally-occurring beneficial nematodes) gives your plants permanent protection against gnats and thrips. Tiny sponge containing naturally-occurring microorganisms (beneficial nematodes) This product needs to be either refrigerated or applied upon receipt