 The angler can also mix additives to the ground-bait to alter its firmness in order to control the release or breakdown of the bait once in the water.Groundbait is a mixture of various natural ingredients, for example fishmeal, bread crumbs, vanilla sugar, hemp seeds or oil, maize and other ingredients, which are then moistened with water and formed into balls.These balls are then cast into the water at the fishing spot.