Ramarok
Active Member
Ok maybe someone can explain to me how this happened.
Est Pre-boil Gravity: 1.063
Est OG: 1.087
Est Pre-Boil Vol: 8.5 gal
Est Post-Boil Vol: 6.5 gal
I go through my normal 90 minute mash and with a starting temp of 150 and ending of 148. Pull my grain (BIAB) and take a sample.
Pre-Boil Vol: 9.6 gal
Pre-Boil Gravity: 1.061
I'm thinking this is great. I have a gallon more of wort and got damn close to my estimated gravity (85.3% mash eff. calculated by Beersmith).
Start my 90 minute boil and go through my normal process there.
Boil-off: 2.1 gal
Post-Boil Vol: 7.5 gal
OG: 1.076
Vol. into fermenter: 6 gal
I had a full 1.5 gallons of hot/cold break and hop gunk (5oz pellet in recipe) in the bottom of my kettle.
My question is could there really have been that many sugars trapped in the trub to where I would have come in 10 points shy of my Est OG? I thought the sugars were constant regardless of volume and boiling down should concentrate them at a measurable rate.
All gravity readings were adjusted for temp of the sample and taken with a hydrometer. Both hydrometer and thermometer have been calibrated.
Thanks in advance for any help.
Est Pre-boil Gravity: 1.063
Est OG: 1.087
Est Pre-Boil Vol: 8.5 gal
Est Post-Boil Vol: 6.5 gal
I go through my normal 90 minute mash and with a starting temp of 150 and ending of 148. Pull my grain (BIAB) and take a sample.
Pre-Boil Vol: 9.6 gal
Pre-Boil Gravity: 1.061
I'm thinking this is great. I have a gallon more of wort and got damn close to my estimated gravity (85.3% mash eff. calculated by Beersmith).
Start my 90 minute boil and go through my normal process there.
Boil-off: 2.1 gal
Post-Boil Vol: 7.5 gal
OG: 1.076
Vol. into fermenter: 6 gal
I had a full 1.5 gallons of hot/cold break and hop gunk (5oz pellet in recipe) in the bottom of my kettle.
My question is could there really have been that many sugars trapped in the trub to where I would have come in 10 points shy of my Est OG? I thought the sugars were constant regardless of volume and boiling down should concentrate them at a measurable rate.
All gravity readings were adjusted for temp of the sample and taken with a hydrometer. Both hydrometer and thermometer have been calibrated.
Thanks in advance for any help.