Our fruit fly trapping supplement contains sucrose, apple cider vinegar, glutamate. It makes fruit flies instantly attracted, quickly solving the pest problem. A mixture of cane sugar and apple cider vinegar is effective in catching fruit flies. Its use is simple: Pour this product into a fly trap and place it in an area where fruit flies and other insects are likely to appear. Use a mild formula to reduce irritation. Maintain high capture rates over time and reduce reuse.