Professional groundbait purposed for feeder fishing competitions. It was developed on the basis of experience of the best British and Dutch matchmen. GST groundbaits include various, the mostly liked and easy digestive ingredients for each species. Perfectly balanced ingredient proportions guarantee its step by step release and they start drawing fish at once. The groundbait evokes fish hunger while not over feed them. Precisely set stickiness depending on the type of groundbait, makes filling up of the feeder easy. The mix does not include working particles. Thanks to this it keeps the fish feeding close to the bottom and feeder itself. The groundbaits can be mixed one with another. One can also add dyes, additives or activators. As a result the unique mix, perfectly adjusted to the venue conditions arises.