CATCH MORE FISH. This fish oil is excellent for attracting and catching salt and fresh water fish. This oil will add that extremely strong scent to your baits, lures, rubby dubby and ground baits. It can also be used to inject dead baits moisten and soften baits and is great for soaking pellets, glugging boilies and can be added to method mix. Holy Mackerel is a brand that sources fish oil. This fish oil is excellent for attracting and catching salt and fresh water fish.