bluc wrote:I generally get 7-7.5l from 30kg grain. I do 15kg per 40l mash to up volume for this reason..
RC Al wrote:Sorry bryan, could you explain that 4.5% number? Did you mean you ended up with an equivalent to a wash that was 4.5%?
The first lots of strpping I did with steam gave me 7.5l @45% from 10kg/45l, translates back to a wash at roughly 7.5 - 8% (slightly more as i stopped at 10% out of the spout) Using the site calcs 10kg of sugar in 45l would be an 13% wash that would return roughly 12.3L at the same abv. Corn (depending on lots of things) is arround 72% starch, I got back the equivalent to 61% of the 10 kg of sugar, 61 / 72 equals close enough to 85% conversion IF the feed grade corn is 72% starch, a bit higher when you consder a bit left in the boiler and normal losses from distilling. That batch did have the advantage of sitting for 6 months though.
Anyone got a better way to work that out? I looked at a beer thing, but corn wasnt listed
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