Hi All, I am experimenting with making a very small batch stout, 4 litres scaled down from 23, to facilitate doing the mash in standard kitchen pans in a friends house. Was considering doing a 4 litre mash and 4 litre sparge, cos it seems somehow simple and logical to me, and easy to explain... but ...

Hello All. Very excite to have a go at all grain BIAB brewing. Only done kits with hop additions before. I only have a 19L kettle. Any thoughts on using such a small kettle? Also, can anyone explain why there is such a large discrepancy on 'the calculator' between the end of boil volume and the brew...