Greetings, If the only thing bad that that I had to deal with during the day was that someone call me an "Idiot" I'd be delighted. Now with that said, lets restart the ballast tube thread. <ducking and running for cover> John Flood TASC Department KROHNE, Inc 7 Dearborn Rd. Peabody, MA 01960 Tel.: 978-535-6060 / 800-356-9464 Fax: 978-535-8180