This Blood Worm scent is a proven producer for so many salt water fish species. One of the best scents you can use. You can use this in freshwater too! Fish have a highly complex sense of smell. Trigger fish to feed and strike your bait with an effective, natural scent to follow and indicate the presence of food. Easily apply to all of your favorite types of fishing lures. The incredible super sticky gel formula stays on strong & long so you spend less time applying and more time fishing. For the best results choose the same scent of the natural bait forage found in the waters you fish. Introducing new scent may work in some cases too. Available in freshwater and saltwater formulas. The best scents since 1929.