bierfest wrote:Tried this today. Think I need to adjust my beersmith profile .. I hit my target gravity and quite a bit more. Double mashing works a real treat.
I did this recently on a beer and it worked very well. I set my efficiency to about 70% in Beersmith but in fact my OG was quite a bit higher than i intended.
I am going to try it again now soon.
However I have been thinking. I own the 50l model and have the 25l shortened malt pipe. I mostly brew 25l batches. However if instead of doing the double mash approach I tried the following
1. Single mash in the 50l malt pipe with minimum amount of water necessary to cover the elements during mash
2. Dont top up water for boil
3. Extended boil then to try to bring the volume down to around 25 or 30L which should in theory have quite a high OG.
The thing is that I am not quite sure how to measure all of this.. How to figure out how long i need to boil it to reduce my OG to where I need it. Perhaps this is where a refractometer will come in handy. Has anybody done this and do they have any ideas on volumes, boil times etc.
Also can anybody think of a reason why this would be a bad idea. Is it better or the same as double mashing.
All thoughts welcome.