First batch in the new fermenter…. Actually a double batch of the small fermenter runs to clear out stock, before I move to the full large run kits.
First impressions…. This thing is HUGE, and I’ve only got 15 litres of water in it, the full rig will take 21 litres.
It’s only been pitched for about 2 hours now, and already the airlock is showing pressure. Fark, it takes 26 hours to do that in smaller batches.
The better yeast with the larger kits is rated at converting 6kg sugar to 14.7% alcohol in as little as 3 days, as compared to 6-7 days with the smaller kits – all to do with temperature stability.
I’ve dedicated the 26W heater pad to the new rig, and made a suitable insulation pad – 330mm square bluestone paving slab faced with nylon carpet for some airflow and non-perfectly-level stress relief. Heat will stay off the the first 24 hours as the yeast gets going (temps are stable at 22° from pitch despite ambient being 18°) so it doesn’t need it. The larger batch kits will be even more aggressive.
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