Rejuvenate Marine Concentrated Fish Box Deodorizer. Don't let a bad smell on your vessel ruin your next fishing trip or boating adventure. Rejuvenate Marine Concentrated Fish Box Deodorizer instantly eliminates all foul odors, leaving behind a pleasant, fresh scent. The deodorizer is the perfect solution to clean up fish guts, bait bloodstains and other nasty smelling stuff from live wells, fish boxes and bait buckets. To deodorize and clean any fishy odors on your boat; pour the concentrate into your fish box, add water, lightly agitate for up to 2 minutes, and finally drain and rinse that smell away! You can also use our fish box deodorizer to clean any lingering odors in your coolers, ice chests and deck boxes!