i use brown crumb and sensas crazy gold and added fishmeal,i also take at least a kilo of worm plus at least two pints of caster and about a pint of maggot,dead maggot also works,its worth trying a grain of corn on the hook as a change,if your on the dam wall a long walk is normaly best ie the other side of the tower,and if your on the natural bank a 35 to 45 yard chuck should put you right,get your self some rocket feeders,so they sink a lot quicker,on that dam wall fish just past the ledge,but when you hit a fish lift your rod straight up so you lift the fish over the ledge.