ano said:£10 a bottle: http://www.brewdog.com/product.php?id=39
ano said:Its unknown abv (it's not on the bottle and I can't find reference to it on the web, suffice to say strong,
I thought the same, they must have a figure in mind for tax purposes, I guess it might have been taxed when it went to be aged at sea what with having left the premises and a bit might have evaporated out during that process, and they added priming sugar. You got a refractometer yet?jamesb said:Trading Standards would have their guts for garters if they find out.
ano said:I thought the same, they must have a figure in mind for tax purposes, I guess it might have been taxed when it went to be aged at sea what with having left the premises and a bit might have evaporated out during that process, and they added priming sugar. You got a refractometer yet?jamesb said:Trading Standards would have their guts for garters if they find out.
Also it will be good to have a second opinion to compare my taste to, always wanted to have a tutored tasting. I doubt it will be hoppy enough for you
With a hydrometer and refractometer you can work out the abv if you have promash or similar: threadjamesb said:Yes, but it won't work properly on fermented beer. Won't tell you the OG either.ano said:I thought the same, they must have a figure in mind for tax purposes, I guess it might have been taxed when it went to be aged at sea what with having left the premises and a bit might have evaporated out during that process, and they added priming sugar. You got a refractometer yet?jamesb said:Trading Standards would have their guts for garters if they find out.
It is down to the way alcohol affects each instrument, and then with a fancy bit of mathematics you can work out the abv . . . its not good enough for HMCE who require the tax point on OG, but is reasonably close . . . of course for an accurate determination you really need an ebulliometer . . . you can't even do your own determination of % alcohol by putting the beer in a saucepan and evaporating off the alcohol as that counts as distillation (Even If you don't collect it!)jamesb said:ano said:With a hydrometer and refractometer you can work out the abv if you have promash or similar: thread
Still don't get how that would work, although I've found the relevant bit in Promash.
Aleman said:jamesb said:It is down to the way alcohol affects each instrument, and then with a fancy bit of mathematics you can work out the abv
RI = 1.33302 + 0.001427193*FB + 0.000005791157*FB*FB
ABW = 1017.5596 - (277.4*SG) + RI*((937.8135*RI) - 1805.1228)
where:
FB = Final Brix
RI = calculated Refractive Index
SG = Final SG
ABW = Alcohol by Weight
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