Mozavitch Posted August 19, 2011 Share Posted August 19, 2011 A couple of weeks ago in a mad rush before I went away for work I put a sneaky batch down [ninja]. Brew was a "Green Neck Lager" as per receipe but accidently made to 23L not 21L [pinched]. A little disapointed with this Currently I think alcohol content is approx 3.5%. I was hoping for something a little more beefy closer to the 5% mark. Can I add extra Fermentables to adjust for the extra water in brew? Considering a bit of extra malt(possibly dextrose) and a dry hop to offset sweetness and keep it preserved. Brew additions as follows 1.7kg Euro Lager 500g LDM 500g BE1 re-used yeast from Pilsner batch. OG 1036 FG 1014 stable for 3 days Original fermentation went off like a rocket before temp went down from 24 to 15ish over 24hrs. Thought re-used yeast was issue so added the 7g satchel this week but no movement. then realised this morning after checking water volume that that was the problem. It tastes like a mid-strength beer [annoyed]...not a belgian beer ....[biggrin] Has anyone successfully added fermentables at such a late stage? Link to comment Share on other sites More sharing options...
sic_vl Posted August 19, 2011 Share Posted August 19, 2011 I think it will end up around 4.6 ish. There is no way that amount of fermentables could make 3.5% Honestly leave it the way it is. Link to comment Share on other sites More sharing options...
Canadian Eh!L Posted August 19, 2011 Share Posted August 19, 2011 Hi Moza, I agree with Sic. I think that if you bottle condition that batch it'll work out to be 5.2%ABV. I think your OG may have been a bit low for some reason. Temperature correction? Anyways, I'd say it's done.[cool] Let it sit around in the carboy/FV for the recomended 14-21 days then bottle it, then wait for 4 months, then drink it![biggrin] Chad Link to comment Share on other sites More sharing options...
Mozavitch Posted August 19, 2011 Author Share Posted August 19, 2011 I thought there may have been an issue originally with the OG but cross checked a few times to make sure (and have done similarly with the FG). It has to be the volume of water added which is affecting the ABV. I think I must have gone on autopilot when making it to 23L. Has anyone got a calculator for extract homebrews which includes volume of water added? As an aside I have no real issues with letting it sit for a further week or 2. Link to comment Share on other sites More sharing options...
weggl Posted August 19, 2011 Share Posted August 19, 2011 Mozavitch, the brewing calculator. http://www.brewcraft.com.au/wa.asp?idWebPage=9616&idDetails=120 calculates your brew at , OG 42 FG 9 ACH% 5.1 Warren Link to comment Share on other sites More sharing options...
Hairy Posted August 19, 2011 Share Posted August 19, 2011 You can try this one: Brewing Calculator I'm not sure how accurate it is but it gives you a guideline to work with. Link to comment Share on other sites More sharing options...
Hoptimus Maximus Posted August 19, 2011 Share Posted August 19, 2011 This one Brewing Calculator seems to be saying ABV of 2.89%. Am I missing something? Link to comment Share on other sites More sharing options...
Matty A Posted August 19, 2011 Share Posted August 19, 2011 John, that brewing calculator implies that you had the correct reading to begin with. If you didnt mix the ingredient properly it wont give you the correct results. Other calculators use the amount of fermentables to do the calculating and are normally close aslong as your yeast hits the FG it suggests. Link to comment Share on other sites More sharing options...
Mozavitch Posted August 19, 2011 Author Share Posted August 19, 2011 Well, thanks for the caculators it seems something must have happened with the original reading. Those calcs indicate that the euro lager should end up around 1015 so it means the brew is in the ball park. Think I'm used to the lower FGs of the ales and started to think it had not gone the distance. I'll give it a day or two then bottle. Cheers Moz Link to comment Share on other sites More sharing options...
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