Always take maize or see if you can buy it on site as its cheap as owt and carp love the stuff(about £7 25kg), the same with parti blend cheap and the carp love it (about £8 25kg(well pigeon conditioner which is pretty much the same but has a few bigger seeds in it), you can take boilies, feed maize and parti blend with a hand full of boilies over the top and fish a rod on each and see what the carp are into