Increase in O G by adding raspberries

For those making mead and related drinks
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Rookie
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Location: Fort Wayne, Indiana

Increase in O G by adding raspberries

Post by Rookie » Sun Mar 01, 2026 5:07 pm

My hydromel went from 1.040 to 1.003. How much would 1.5 lbs (.67 kg) added to 2 gallons (7.57 L) increase the O G?
I'm just here for the beer.

guypettigrew
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Re: Increase in O G by adding raspberries

Post by guypettigrew » Sun Mar 01, 2026 6:12 pm

Raspberries have 4.4g to 5.4g sugar in 100g of fruit, according to Google. So 670 g will have about 35g of sugar.

35g of sugar in 7.57 litres would give a specific gravity of 1.0018. Google, again.

So, adding your raspberries would have a minimal effect on the OG, perhaps increasing it by .002 if you're lucky. But would probably have a huge effect on the flavour.

Guy

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Re: Increase in O G by adding raspberries

Post by Rookie » Mon Mar 02, 2026 4:44 pm

guypettigrew wrote:
Sun Mar 01, 2026 6:12 pm
Raspberries have 4.4g to 5.4g sugar in 100g of fruit, according to Google. So 670 g will have about 35g of sugar.

35g of sugar in 7.57 litres would give a specific gravity of 1.0018. Google, again.

So, adding your raspberries would have a minimal effect on the OG, perhaps increasing it by .002 if you're lucky. But would probably have a huge effect on the flavour.

Guy
I wasn't expecting very much. I was going for flavor.
In the morning before I added the raspberries the airlock was burping every 57 seconds. That evening it was every 25 seconds and the must was a nice reddish color.
I'm just here for the beer.

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