Tiger Nuts the number one particle used for carp fishing. Their crunchy texture and incredibly sweet taste mean they can tempt a carp to pick up a bait where other things might fail.
 
Prepare them as follows:
Tiger nuts must be soaked for at least12 hours and then boiled for10-20 mins. If you leave the Tiger nuts for 2-3 days after boiling they will start to ferment and The water will turn milky due to all the sugars in the nuts.