Does a single FermCap addition control both boilovers and blowoffs?

I love FermCap for controlling boilovers. I add a few drops (less than recommended) as the wort comes up to boiling. It allows me to do other things during the boil to shorten my brew day.

Here's what I'm wondering:

The directions say to add a drop per gallon at the "start of fermentation". Does my boil addition count for that? Can I just add the recommended amount for my final volume to the boil and trust that all of it will make it into the fermenter?

Topic blow-off boilover foam homebrew

Category Mac

1
answered at

In my experience, a kettle addition of Fermcap does not eliminate the need for it in the fermenter. If you need it there, you have to add more.

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