Skip to main content
Tweeted twitter.com/#!/StackHomebrew/status/339018518018285568
deleted 12 characters in body
Source Link
markus
  • 171
  • 10

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our last brew session, we measured lower post-boil gravity (1.058) than pre-boil (1.068) and we're quite puzzled.

How we took the samples:

Pre-boil: pipette from top of stirred boiling pot.
Post-boil: pipette from first drawings after boil, after whirlpool.

Any ideas?

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our last brew session, we measured lower post-boil gravity (1.058) than pre-boil (1.068) and we're quite puzzled.

How we took the samples:

Pre-boil: pipette from top of stirred boiling pot.
Post-boil: pipette from first drawings after boil, after whirlpool.

Any ideas?

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our last brew session, we measured lower post-boil gravity (1.058) than pre-boil (1.068) and we're quite puzzled.

How we took the samples:

Pre-boil: pipette from top of stirred boiling pot.
Post-boil: pipette from first drawings after whirlpool.

Any ideas?

added 155 characters in body
Source Link
markus
  • 171
  • 10

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our last brew session, we measured lower post-boil gravity (1.058) than pre-boil (1.068) and we're quite puzzled.

How we took the samples:

Pre-boil: pipette from top of stirred boiling pot.
Post-boil: pipette from first drawings after boil, after whirlpool.

Any ideas?

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our last brew session, we measured lower post-boil gravity (1.058) than pre-boil (1.068) and we're quite puzzled. Any ideas?

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our last brew session, we measured lower post-boil gravity (1.058) than pre-boil (1.068) and we're quite puzzled.

How we took the samples:

Pre-boil: pipette from top of stirred boiling pot.
Post-boil: pipette from first drawings after boil, after whirlpool.

Any ideas?

Source Link
markus
  • 171
  • 10

Gravity going down during boil. How can it happen?

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our last brew session, we measured lower post-boil gravity (1.058) than pre-boil (1.068) and we're quite puzzled. Any ideas?