<Snip> HX temp management techniques as verified and documented by many people many machines via controlled temperature measuring device is no longer hearsay or speculation IMO. I'd consider loaning you a Scace Thermofilter & Fluke but can't, the one I use isn't mine but a loaner to me! Kona Konnaisseur miKe mcKoffee URL to Rosto mods, FrankenFormer, some recipes etc:http://mdmint.home.comcast.net/coffee/Rosto_mod.htmUltimately the quest for Koffee Nirvana is a solitary path. To know I must first not know. And in knowing know I know not. Each Personal enlightenment found exploring the many divergent foot steps of Those who have gone before.