Carptec Plum Boilies from Dynamite Baits are awesome channel catfish bait. Plum boilies are great, If you want a channel catfish bait that will drive the catfish crazy without stinking up everything you own.
Dynamite Baits' 16mm marine halibut pellets are a great channel catfish bait. Fished on a hair rig, these pellets cast super far, are very durable and are great for heavily pressured catfish that are hook shy. For more information on cat fishing baits and techniques check out http://catsandcarp.com/catfishing/catfishing-tactics/ To find Dynamite Bait products check out http://www.carppro-store.com/Dynamite-Baits-Carppro-Flavors-Carp-Flavor