took hydro AFTER mixing with priming sugar

Sun Mar 27, 2011 5:49 pm

f'd up and forgot to take a final hyrdrometer reading when I bottled today. Last weekend I got a 1.014 (after 7 days in the bucket, OG was 1.050), gave it one more week and bottled. I used an online priming calc to determine I wanted to add about 4.3 oz of priming sugar for my 5 gallons to attain a 2.5.

I boiled the dextrose in small amount of water, cooled it, and added to the bottling bucket as I started the siphon. Only then did I think about getting a final gravity. Took it from the bottling bucket's spigot and got a 1.020 reading. Does this sound right? Never took a gravity reading WITH the priming sugar already blended in.
• considering: first lager
• primary:
• secondary:
• drinking: JBA batch #2
• bottle conditioning: Best Bitter
• recent past: (AG) Rye IPA rebrew; rye saison; BCS Cal Common, Rye IPA, Tasty APA, JZ's Cowboy Altbier
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jimlin
 
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Re: took hydro AFTER mixing with priming sugar

Mon Mar 28, 2011 6:11 am

That seems a bit high to me....

Based on an assumed 46ppg for dextrose, and 0.26875 lb of dextrose going into 5 gallons (approx)

46 p * gal/lb (0.26875 lb/ 5 gal) = 2.47 = ~2.5 point increase

I'd expect that you'd see an increase of 2.5 over whatever your final gravity would have been, so about 1.016-1.017 if it didn't get any lower than the 1.014 that you got last week.
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Re: took hydro AFTER mixing with priming sugar

Mon Mar 28, 2011 8:05 am

I drew the sample from the bucket's spigot, so perhaps the dextrose didn't mix as well as I thought it should have. I boiled/cooled the dextrose in water and poured it carefully into the bucket after I started the siphon from the fermenter. There was only about an inch or 2 of beer in the bottling bucket when I added it, so in theory, the beer being racked to the bucket should have mixed pretty evenly, but I did not swirl or mix even gently. I just continued the siphon until it was all transferred.

Wait and see I guess
• considering: first lager
• primary:
• secondary:
• drinking: JBA batch #2
• bottle conditioning: Best Bitter
• recent past: (AG) Rye IPA rebrew; rye saison; BCS Cal Common, Rye IPA, Tasty APA, JZ's Cowboy Altbier
User avatar
jimlin
 
Posts: 271
Joined: Tue Feb 15, 2011 9:20 am
Location: MA/NH border

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