In a message dated 11/28/09 10:35:04 AM, kenn_green at yahoo.com writes: > This is intereesting reading: > > http://www.stewartcomponents.com/tech_tips/Tech_Tips_6.htm > > Interesting indeed- twice in the above article, Stewart mentions tests done at 100 gallons per minute flow rates. Hmmmmm.... FWIW- J Deryke