Krill is a very well-known bait in the carp world because it is often used in boilies, pellets and liquids and is very popular with carp and other whitefish. Carp love it so much because the krill is full of protein and other nutrients. Carp are very familiar with krill because it is a natural food source, so this immediately increases your chances of catching it. It can be used as hook bait, added to the bait or as a supplementary feed. After opening keep refrigerated for up to 15 days.