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Old 06-29-2011, 10:08 PM   #1
Cazamodo
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Default am I being dumb? og readings thrown me.

Ok, so I thought I'd try brewing up some simple ginger beer. An alcaholic version of ginger beer/ale. My girlfreind loves it, but the commercial ones are so expensive!
Anyway, found a couple of very simple recipes, mainly ginger, lemon, sugar and some lactose.

Now I've tried a couple of recipies, one using lactose, another using all sugar but pasturizing early to save some sweetness.

Problem occured when taking og readings, at least I think its a problem. All recipies gave an aproxx 5% alcahol content. I scaled them down from 5 gal to 1 gal, and each 1 gallon batch had around 200g of sugar in, but my og readings for all were just over 1.010. This puzzles me greatly, or is this to be expected?

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Old 06-29-2011, 10:21 PM   #2
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Was the sugar completely dissolved and/or mixed when you took the sample?

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Old 06-29-2011, 10:25 PM   #3
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Sugar has a potential of 1.046; meaning 1 lb of sugar in 1 gallon should give an OG of 1.046.

Now, 200 g = 0.44 lb, so 46 * 0.44 = 20. IOW, your OG should be ~ 1.020, and you are not going to get 5% ABV out of these recipes. Are you sure you scaled correctly?

I also don't know why you were getting 1.010. You are 10 points low. Did you correct for temperature? Were your volumes correct?

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Old 06-29-2011, 10:28 PM   #4
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The recipe called for 500g sugar so I scaled to 100g.
I'm not too worried about the abv, as its my first attempt, as long as they taste nice!
Just very puzzled of og.
Now I think, I didn't corect for tempratuire, took readings at aound 30c.
I'm going to double check recipes.

Thankyou for the handy formula btw!

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Old 06-29-2011, 10:34 PM   #5
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Ok, I read the recipe wrong. Didn't add enough sugar.
Ill know for next time!

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