I dont use tubes a lot. Too slow for me. Never at night. The tubes I do use will be smaller like TS said. 2.75 - 3.5" with 1/8 to 3/16 heads. I would imagine 4.5 to 6" on 1/2 to an ounce tube head for lakers. I have a buddy in NY that will chase them on the ice at Champlain. Thats his best bait.