I have some questions regarding the gelatin addition:
1. Has anyone tried different types of gelatin added to the final product, with different results. Meaning, different brands of gelatin or variations in quantity?
2. Instead of using gelatin has anyone tried, Divergan, Biofine, etc?
3. When adding the gelatin do you add it hot or leave it to cool down a little bit?
Joined: 06 Oct 2013 Posts: 188 Location: Beckenham, Kent, UK
Working on: IPA
Link Posted: Sun Feb 07, 2016 1:08 pm Post subject:
When I add gelatin I first boil around 500ml of tap water and let it cool down to around 60C. I then take about 250ml of this and stir in 5 tspns gelatin granules/powder (this is for a 40L batch). After letting it "bloom" a little, I then stir briskly with a plastic fork until all the lumps have gone. I then tip this into the wort whilst stirring it around gently with a long stainless steel spoon. I find that the beer is star-bright within three days, apart from the bottom inch of gunk that the gelatin has dropped out. It seems to work better if the beer is cool - I aim to get the beer down to 12 - 15C before adding the gelatin solution.
Joined: 12 Dec 2010 Posts: 10750 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, London Pride, Wit, Janet's Brown, Russian Imperial Stout, Black Butte Porter
Working on: Belgian Quad, Belgian IPA
Link Posted: Sun Feb 07, 2016 3:46 pm Post subject:
I simply heat up a cup or so of distilled water poured in a beaker in my microwave until it's fairly warm (not boiling) then add between 4-8 grams of unflavoured gelatin. I don't measure anymore - I use about 1/2 to a full teaspoon's worth.
I let it sit for a few mins, then stir a few times until it's completely dissolved, then add to the carboy while it's still warm. It doesn't need to be warm, there's just no advantage to waiting for it to cool.
It all falls out of solution so using a little bit too much doesn't matter. It doesn't take much however.
Wait a couple of days, then keg. Not everything needs it however. For example, anything I brew with WLP002/WY1968 I never use it as that yeast is so flocculant.
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