Most people use a trolling reel.
http://www.cabelas.com/cabelas/en/templates/index/index-display.jsp?id=cat600378&navAction=jump&na vCount=1&parentId=cat20166&parentType=cate gory&cmCat=MainCatcat20166

I use Penn's and Diawa's

You have to put alot of line on. In the summer you'll be going deep.

You might be able to get away with a big spinning reel when the fish are up or when flat lining like at this time of year.