Root Cleaner Natural Pesticide Soil Drench will stop and eliminate Thrips, Fungus Gnats, Root Aphids and minimize root rot and egg hatching by disrupting their feeding and reproduction. Root Cleaner attacks fungus and algae and cause the pests to dehydrate and dry up. Root Cleaner kills fungus gnats and their larvae, pythium and rhizoctonia, root rot and root damping-off, thrips, nematodes, root aphids, and more. For use in soil and coco. Use from start up to the day of harvest.