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Messages - a10t2

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Yeast and Fermentation / Re: First Stuck fermentation
« on: November 22, 2010, 08:45:26 AM »
What's the recipe? 53% ADF seems pretty low, but if there were a lot of unfermentables it may just be done.

Either way, warm it up (low 70s is fine) and rouse the yeast a few times a day. It can't hurt.

General Homebrew Discussion / Re: Campden Tablet
« on: November 20, 2010, 06:01:52 PM »
I definitely wouldn't sulfite anything before you're going to pitch yeast. Just stay on top of your sanitation and letting the wort sit overnight won't be a problem.

Equipment and Software / Re: Refractometers
« on: November 17, 2010, 07:49:42 PM »
I just stick my brewing spoon into the boiling wort and let it drip onto the refractometer.  Why buy more stuff?
When I do that I get an elevated reading due to evaporation.

Beer Recipes / Re: strong belgian christmas ale
« on: October 25, 2010, 07:13:49 PM »
so you used 9 grams of fresh ginger? or was that a combo of many spices?

That was 6 g of cinnamon and 3 g of cloves. Personally, I don't like ginger in beer so I've never tried it.

That's impressive, that's getting up into heat shock territory.  I'm really interested to hear how this one turns out, I've never heard of anyone fermenting anything that warm.

I racked it into the keg tonight. It tastes totally normal - a little fusel-y, but not out of whack for a two-week old 9.8% ABV Belgian. Actually, I wish I'd started it a little warmer so there would be more fruitiness. With a little age on it I think it will be totally drinkable. I would like to have been able to leave it on the yeast another week or two, but oh well. The keg will be bouncing around on the back of a truck for three days, so hopefully whatever yeast is left will keep working.

Kegging and Bottling / Re: CO2 vs priming sugar
« on: October 25, 2010, 07:32:23 AM »
Prof: How much carbonation are you using? For 2.4 vol of CO2 at 60°F you'd need 22 psi - and around 20 ft of 3/16" line to balance. That's been my experience, anyway.

Yeast and Fermentation / Re: Belgian Temperature Step-Up Regimen
« on: October 24, 2010, 08:23:54 AM »
It would depend somewhat on the yeast/style, but for most things I'd start at 63°F and increase it by 2°F/day to 77°F. That would get most of your fermentation done in the 60s or low 70s.

General Homebrew Discussion / Re: Starter tastes like Cider
« on: October 24, 2010, 08:20:44 AM »
Unless it definitely tastes nasty I wouldn't worry. Starters aren't usually very good.

General Homebrew Discussion / Re: 5 gallon sanitizing bucket
« on: October 22, 2010, 04:53:23 PM »
I'd be nervous storing an acid-based sanitizer in non-food-grade plastic, but I'm pretty paranoid about that stuff.

Yeast and Fermentation / Re: Lager yeast slow to act
« on: October 22, 2010, 01:45:27 PM »
Well, with a 1 L starter, even "stepped up", you pretty significantly under-pitched. Standard would be ~400 billion cells, and you would have had between 150 billion (still starter, with airlock) and 350 billion (stir plate, no airlock). So a long lag would be expected. On top of that, pitching warm and then cooling the beer can "shock" the yeast and further increase lag time. It's always best to pitch at or below fermentation temperature.

I'm sure this batch will turn out fine. Just make larger starters and pitch cooler in the future.

Equipment and Software / Re: Heating a Fermentation Fridge
« on: October 22, 2010, 07:47:47 AM »
The optimum for skunking is actually about 400 nm (green light). An incandescent bulb will produce light at those wavelengths, but not nearly as much as a fluorescent. If it's exposed for long enough, though, you will get skunking.

General Homebrew Discussion / Re: Pils-friendly Water chemistry
« on: October 22, 2010, 07:37:55 AM »
I mean, I can get 10 gallons of RO water....then add some of my water back to the mix, but to understand what the resulting chemistry of that mix will be is highly challenging to my understanding of what I have actually arrived at

When combining two different waters, just do a weighted average for each ion. (That isn't technically correct, but it's certainly close enough for our purposes.) If you're diluting with distilled/RO water it's really easy: just multiply each concentration by the fraction that's tap water.

So, for example, if your HCO3 is 337 and you mix the water 50-50 with RO, the resulting water will be 337*.5 ~ 168 ppm HCO3. If you use 2 parts RO, 1 part tap, it'll be 337*.333 ~ 112, etc.

Your biggest problem will probably be sulfate. For anything other than a very hoppy beer, you'll need to dilute at least 3:1 just to get that under control.

This may help, depending on where the difficulty lies: It's a decent starting point, at least.

General Homebrew Discussion / Re: Overshooting FG
« on: October 21, 2010, 07:30:24 PM »
Just throwing this out there: are you kegging? It's extremely dangerous to stop fermentation in a beer that's going to be bottled.

You added a really small amount of sugar. I'm sure it's just finished. The fact that you saw active fermentation is a good sign though.

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