I will definitely be taking your advice Hoddy, thank you for that.
However, I kinda meant it more as a question on the practical and/or theoretical limits of the BM20. I probably didn't explain myself adequately :whistle:
I have this notion that at it's simplest state, making wort is a triangular relationship between grain, water and original gravity. If you have any two, you can calculate the third. Obviously there are lots of factors at work in that calculation, like the efficiency of your system, grain varieties, adjuncts etc but if one chose a recipe style that was mostly a pale base malt then surely we can come up with an answer?
The BM manual says is can take 4-5KG of grain. 5KG of pale malt + x litres of water = 1.048 If we assume our FG stops at 1.010 then we have an abv of 5 (ish). What's the x?
Hands-on with the BM, is 5KG the max? Can you squeeze more out?
I have seen threads about double-volume mashes, but I was more interested in 1 mash.