Can yeast and/or fermcap-s affect hyrdometer reading?

BeerPressure · Feb 22, 2009

I brewed up some pale ale last night and my pre-boil grav was 1.039. I pitched the 70 degree wort on top of a nottingham yeast cake and then dropped the ferm cap in. I put the hydrometer right where i dropped the fermcap and it was only giving me a reading of 1.042 which is way low for this beer.

Could the yeast and fermcap has affected the reading?

Pharmguy · Feb 22, 2009

Hey, off subject but how do you estimate the preboil gravity?

BeerPressure · Feb 22, 2009

Pharmguy said:
Hey, off subject but how do you estimate the preboil gravity?

I take the hydrometer reading and take the temperature and use the gravity adjustment tool in beersmith.

Pharmguy · Feb 22, 2009

Dont I feel like an idiot. The hydrometer. I dont know why I was thinking all complicated.

Can yeast and/or fermcap-s affect hyrdometer reading?

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Can yeast and/or fermcap-s affect hyrdometer reading?

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