When I made my orange wheat (which is turning out really well) my efficiency was really low and I thought it was something I was doing wrong. The stout I made yesterday ran into the same problem so I am thinking it might not be me after all. It could still be me but now that two batches in a row have ran into issues I have done some research. I don't use mash tuns, since I brew one gallon batches, so using a strainer and sparging water over the grains could be it BUT I had a string of normal efficiency batches so I should look elsewhere. The first issue to look at is the grain mill. The mill might not be holding its size and needs adjusting. I use the LHBS, or local home brewers store, as my grain mill location so now I have to look into how often, if at all, they adjust. Hopefully it will help in solving the issue. Low efficiency does not mean bad beer, but as someone who wants to keep up quality and consistency, it is important to keep the process at a top level. Other problems could be water temperature, mash time and temperature, hydrometer. Those, I do not believe, are so much the problem, so I will start with the grain mill.
I will report back tomorrow after I get my grains. On deck for next week: Honey nut brown ale!
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