I've been using Fermcap-S for a few months and love the stuff. I use it in my starters so I don't piss off the wife by making a mess on the stove. I also use it in my brew kettle since it is 7.5 gallons and I pre-boil volume is usually 7 gallons.
Now I hear that Jamil uses it in his better bottle because it's only 6 gallons. Is there such a thing as too much Fermcap-S? Does any of it transfer over from the brew kettle or does it all get stuck in the break material?
