The Supercrush Margin Carp 2kg from SONUBAITS is made from heavy ingredients that we have ground into small particles, this means that when you add water they soak it up and become heavy, so when a fish stirs the ground food, the weight of the particles takes it returns very quickly to the bottom, leaving the rest of the fish in the margin. Andy Power (Commercial Specialist) says "I get through this a lot when the bigger carp get stuck in the margin, I mix it up as soon as I get to my pen to make sure the particles are as heavy as possible, as I feel the time is right I'll put some loose in a cup to take out any fish out there without scaring them and then I'll put in enough for when the fish come back and start feeding, it's the best mix to use when fishing for marginal carp ". MIXING GUIDELINES. Margin Carp is easy to mix. Empty the 2kg bag of groundbait into a round mixing bucket, fill a 2-pint maggot tray with water, pour onto the groundbait and mix well, then let it rest for 30 minutes, during which time the water will be absorbed into the feed. ground bait. Then for the best result; To get rid of any lumps and create an even consistency, run the groundbait through a riddle and it's ready to use. When fishing, sun and wind can dry out the ground food a bit, to combat this you can cover the mixed ground food with a damp towel or if it dries out just add a little more water and mix again.