SECTION: Tools and Supplies, OMRI listed. Completely biodegrades into fertilizer - uses a natural pesticide: iron phosphate.. Kills slugs, cutworms, earwigs, pillbugs, sow bugs, and snails. Takes a few days to work. Sprinkle around areas you want to protect. Pellets are clean, odorless, and easy to use., and biodegrade into fertilizer. 1 lb. can treats 2000 square feet and lasts up to 4 weeks (water soluble). 1 lb. can APPROX WEIGHT: 1.2 lbs.