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Use of gelatin

 
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ddc69




Joined: 13 Jan 2012
Posts: 118
Location: Parkersburg, WV


PostLink    Posted: Wed Apr 11, 2012 3:02 pm    Post subject: Use of gelatin Reply with quote


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I have not used gelatin before for clarification. Is this something I can do with bottle priming or only kegging? Does it remove too much yeast to allow for bottle carbonation?
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downeasy




Joined: 28 Mar 2012
Posts: 17
Location: Houston


PostLink    Posted: Wed Apr 11, 2012 6:37 pm    Post subject: Reply with quote

It depends on when you use it. I'll siphon it in about 5 hours before I crash cool if I just want a bit more clarity.

Here's a decent guide: http://www.brewing-tips.com/gelatin-finings/

Personally, I think 5 days is a bit much for 5 gallons; 2 days and 24-48 hrs crash cooling is plenty. If you don't crash cool, which I don't on certain beers, then 4 days should still be plenty of time.

I don't think you'll be in danger of pulling out too much yeast unless you overkill the amount of gelatin you use. 1-1.5 gram/5 gallons is plenty unless you are really wanting a glass-clear beer. 1 gram is what I use unless it's a whit.
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Castermmt




Joined: 03 Jan 2011
Posts: 863
Location: Lowell, In

Drinking: Steelhead Porter, Alt-Toids, Hefty-Weizen, Terry's Kolsch, African Amber, Pumpkin Ale, Double Dog Ale

Working on: Janet's Brown Ale, Terry's Kolsch, Pilsner


PostLink    Posted: Thu Apr 12, 2012 10:28 pm    Post subject: Reply with quote

One other thing I do, is sanitize anything I use after the boiled water stage with StarSan. I add the boiling water to a sanitized bowl wait about 4 or 5 minutes and mix in the gelatine with a sanitized whisk, let cool to room temperature then add to the carboy using a sanitized measuring cup and funnel. When whisking the mix will have a small head of foam on top, then you know you have a healthy gelatine mixture. PS. I only use kegs, and bottle from them if needed.
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Anticlimaddox




Joined: 05 Feb 2016
Posts: 85
Location: Harrisonburg, VA


PostLink    Posted: Sun Jul 09, 2017 1:04 am    Post subject: Trying to figure out gelatin for a 10-12g batch. Reply with quote

Most sources indicate 1 tsp of gelatin to 3/4 cup of water for a 5g batch. Pretty sure that is what I have used in the past. Anybody have a trusted ratio for 10-12g batches? Is it simply doubling both of those? I'll be fining in a conical not the cornies.

Thanks.
// brian

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kal
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Joined: 12 Dec 2010
Posts: 11116
Location: Ottawa, Canada

Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter


PostLink    Posted: Sun Jul 09, 2017 1:18 am    Post subject: Re: Trying to figure out gelatin for a 10-12g batch. Reply with quote

Anticlimaddox wrote:
Most sources indicate 1 tsp of gelatin to 3/4 cup of water for a 5g batch. Pretty sure that is what I have used in the past. Anybody have a trusted ratio for 10-12g batches? Is it simply doubling both of those? I'll be fining in a conical not the cornies.

Yup. Just double it. I don't find it overly critical. Use too much it just falls out of solution anyway.

Kal

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Anticlimaddox




Joined: 05 Feb 2016
Posts: 85
Location: Harrisonburg, VA


PostLink    Posted: Sun Jul 09, 2017 1:23 am    Post subject: Reply with quote

Sounds good. Thanks. Made your blonde ale as my first batch, currently at 1.020 a week in. Smells fabulous.
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Castermmt




Joined: 03 Jan 2011
Posts: 863
Location: Lowell, In

Drinking: Steelhead Porter, Alt-Toids, Hefty-Weizen, Terry's Kolsch, African Amber, Pumpkin Ale, Double Dog Ale

Working on: Janet's Brown Ale, Terry's Kolsch, Pilsner


PostLink    Posted: Sun Jul 09, 2017 1:52 pm    Post subject: Re: Trying to figure out gelatin for a 10-12g batch. Reply with quote

+1 on what Kal said.

kal wrote:
Anticlimaddox wrote:
Most sources indicate 1 tsp of gelatin to 3/4 cup of water for a 5g batch. Pretty sure that is what I have used in the past. Anybody have a trusted ratio for 10-12g batches? Is it simply doubling both of those? I'll be fining in a conical not the cornies.

Yup. Just double it. I don't find it overly critical. Use too much it just falls out of solution anyway.

Kal
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Anticlimaddox




Joined: 05 Feb 2016
Posts: 85
Location: Harrisonburg, VA


PostLink    Posted: Sun Jul 09, 2017 2:00 pm    Post subject: Reply with quote

Thank you both. // cheers.
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alphakry




Joined: 27 Oct 2018
Posts: 88



PostLink    Posted: Mon Jun 17, 2019 4:21 am    Post subject: Reply with quote

So is it best practice to let the gelatin sit for 2-3 days and then cold crash after this period?

Based on Kal's reply in the Blonde Ale thread, he uses it at room temp. So with my batch (1BBL) - I pitched 3 packets of gelatin at 68F and then let it sit for 3 days - before cold crashing to 38F and then dumping the conical to help remove all sediment before racking. Sound about right? Smile

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kal
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Joined: 12 Dec 2010
Posts: 11116
Location: Ottawa, Canada

Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter


PostLink    Posted: Mon Jun 17, 2019 12:34 pm    Post subject: Reply with quote

Sure - that'll work!

Keep in mind that lowering the temperature will cause the liquid to contract and can suck in air (or something else) if you're not on positive gas pressure (CO2). You don't want this as you don't want to oxygenate the beer, and if it's sealed setup you can even crush or dent the conical. For this reason I don't ever lower the temp until I'm in the keg on gas as it's simplest for me.

Kal

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alphakry




Joined: 27 Oct 2018
Posts: 88



PostLink    Posted: Mon Jun 17, 2019 1:41 pm    Post subject: Reply with quote

Thanks Kal. I make sure to hook up CO2 so as to provide a constant 4-5psi during cold crashing. I then use a carb stone to carb prior to kegs.
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