Does gelatin work for clarifying beer? If so:
- How much do you use?
- When do you add it?
- How do you prepare it? (Do you boil it in water? How much water to dissolve the gelatin?)
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Gelatin is used post fermentation. Irish moss (and whirlfloc and supermoss) go in the boil.
Sometimes you can get a bit of yeast or chill haze even with kettle finings. At that point you could try gelatin to fix it.
Don't boil the gelatin - that makes jello. Instead, boil 1 cup of water by itself. Take off the heat for a minute or so then whisk in 1 packet of unflavored gelatin. Then add that to your fermenter or keg. You may notice some improvement in 24 hrs, but it usually takes 3-4 days to completely clear for me.
It should work. Winemakers use it as a fining agent.
A more common fining agent used by homebrewers is irish moss, added during the boil.