shlitzcan
Member
Whats the calculation equation to figure your abv from specific gravities?:rockin:
wow thats cool. ok another question. i just transferred a robust porter last night and my gravity reading is 1.020. the last time i brewed this beer i could only get it down to 1.018 and i had bottle bombs. i did a 7 day primary and a two week secondary and bottled for two weeks. for the first couple days the beer was awesome....then lots of head.....then blowing up in my cellar. how do i get that gravity closer to 1.010?
ok grains
LB OZ °L PPG
33% 5 ~ Pale Malt (Maris Otter)
Mash 3° 37
33% 5 ~ American Two-row Pale
Mash 1° 37
10% 1 8 Victory Malt
Mash 25° 34
10% 1 8 Muntons Chocolate Malt
Mash 345° 28
7% 1 ~ Briess Special Roast
Mash 50° 34
3% ~ 8 Briess Caramel 120L
Mash 120° 34
3% ~ 8 Dingemans Cara 20
Mash 21° 37
0% ~ 1 Muntons Black Patent
fermentation was awesome. temps are in my cellar set at 69 deg.
i used white labs British ale (wlp005) I made a 500ml starter w light dme 2oz by weight.
If your fermentation is complete, if the yeast are done working, you can bottle without fear of bottle bombs, regardless of the FG. For your Robust Porter, wait a couple of days and take another gravity reading. Then wait a couple of more days (if you're concerned) and take another reading. If the reading has stayed the same, then you know fermentation is done and it is safe to bottle.
There is no harm in letting it sit in the carboy/bucket for a few weeks, to let the yeast complete their work. In fact, the yeast will clean up after themselves, which is a good thing, if you give them a chance. In the future, there is no need to transfer to a secondary for this beer and many brewers would tell you that leaving it on the yeast is advantageous.
dishwasher, we have a newer one that is stainless steel that has a sanitize selection on it. i use that for new bottles. for re-used bottles i use star sans or iodophor and do the submerse in the sink and then set to dry.
Thank you everyone for your replies. I just signed up to this forum less than two hours ago and have more information than i thought i would get in a week.
OG - FG x 131 = ABV
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