Just stilled off my first 8kg sugar wash run. Wow.
An 8kg batch is supposed to produce 25 litres of wash at 18% alcohol-by-volume (ABV). 25L is exactly what went into the still.
The still is rated to produce 93% ABV output (on a slow run) with 95% recovery efficiency, or extraction from the wash. 25L x 18% ABV x 95% efficiency is 4.275L output, I got 4.35L. Hydrometer readings show 92% ABV so the 4.35L is actually 4.3L @ 93% – either I got slightly better than rated efficiency or the wash was nearer to 20% when it went it, or some of both.
4.35L x 92% = 4L @ 100%, so to cut to 40% drinking strength ABV I need 6L of water… resulting in 10L of drinkable product. For $50.
Allow $3/L for wood chips for soaking, then $6/L for flavouring essence, and that’s $14/L for top shelf stuff.
Got to be happy with that.
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