http://www.homedepot.com/p/t/202017432/5yc1v?catalogId=10053&langId=-1&keyword=kilz+primer&storeId=10051&N=5yc1v&R=202017432#.UP3ufPKL4l8
I used them before. It covers ANYTHING! You can buy single bottle. This is oil based primer, but it's ok to use for small areas. If used too much area, then use a water based primer after this primer.