A few weeks ago I started my first sour brew.
3/23 Brewed 5gal Kolsch into 6gal carboy for krausen headspace.
OG: ~1.043
It ran a regular ferm schedule for 3 weeks.
Recipe estimates that 3.8% ABV should be final. I bet its not far off from that.
4/13 I pastuerized 4lb frozen...