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Using Egg Shells as Finings

Post #1 made 15 years ago
by hashie
I was reading through an old recipe book today and found some recipes for "hop beer" and "Malt beer".
In one of the hop beer recipes it says;
...30g of tartaric acid and 30g of brewers isinglass should be soaking in 1 litre of cold water. If brewer's isinglass is unobtainable, save up eggshells for a day or two and add with the acid at the end of 24 hours - this clears the beer.
I've never used isinglass before and I don't usually use finings at all, but this got me thinking because I have access to a shed load of eggshells. Maybe I can make my own fining agent from household goods.

Thoughts?
Last edited by hashie on 21 Nov 2010, 14:43, edited 5 times in total.
"It's beer Jim, but not as we know it."

Post #2 made 15 years ago
by stux
Some people have egg allergies. You need to inform guests that your beer may contain egg products. You may note some wines say this.
Fermenting: -
Cubed: -
Stirplate: -
On Tap: NS Summer Ale III (WY1272), Landlord III (WY1469), Fighter's 70/- II (WY1272), Roast Porter (WY1028), Cider, Soda
Next: Munich Helles III

5/7/12

Post #3 made 15 years ago
by hashie
stux wrote:Some people have egg allergies. You need to inform guests that your beer may contain egg products. You may note some wines say this.
I've also noticed some wines say they contain shellfish, so I guess using shells of any kind can work as a fining?
Last edited by hashie on 22 Nov 2010, 05:09, edited 5 times in total.
"It's beer Jim, but not as we know it."

Post #4 made 15 years ago
by PistolPatch
Excuse the pun hashie but I'd love to see you give this a crack :).

I've heard of this before but can't remember anyone actually doing it.

What's your plan of attack? For example, do you put the shells in cracked or ground?
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Post #5 made 15 years ago
by hashie
I think I'll give them a slow bake to dy them out then crush/grind them. I have an odl coffee grinder I can put them through.
Tartaric acid can be bought at the supermarket, so all in all it will be a cheap exercise. I have a cream ale in the fermenter now, if I can get my self organised I can try it on this brew.
"It's beer Jim, but not as we know it."
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