Root Cleaner - Soil Gnat, Fungus and Pathogen Killer (32 Ounce) Kills soil gnats & larvae on contact! Effective against thrips, nematodes & more Effective against soil fungi and pathogens like pythium that cause root rot & damping off All-natural concentrate for use from start to harvest: no gloves, respirator or suiting up required Kills pests and their eggs! No product stacking required; pests cant build immunity to it Use on broad mites - they mate in the root zone