A quote from Barry on a thread discussing the video I'm assuming you were talking about
"You are right, I get the horror stories on the tech line after the job is done.
SPI ONLY recommends three kinds.
PPG, Dupont or the Ospho because we know what we are dealing with and all three have been out for many years and not changed with every batch made."
Link to thread...
http://www.spiuserforum.com/forum/sp...ure-test/page4