Concord Grape Chocolate Fishing Flavoring The Concord Grape Chocolate Fishing Flavoring delivers a rich, powerful scent formulated to reach maximum potency on the water. This unique blend produces an incredibly strong, sweet aroma—making it one of the best-smelling Concord Grape Chocolate flavorings you’ll ever use. Dead End Fishing flavoring has been researched and field-tested by experienced anglers and proven effective for targeting catfish and carp , while remaining versatile enough to attract a variety of other species. Designed to enhance bait performance and increase attraction, this flavoring is built for results when it matters most. Not for human consumption.