t. Much of it is over modified and just as much is undermodified. Does anyone have an idea why that would be?
The weather has been partly cloudy but I was able to get enough sun to spread the grain out on the terrace with a temperature of 90f. I collected the grain to keep inside over night and then put them back the following day of additional drying. Here are a few pictures. I layed the chicken wire over the top in a half ass attempt to keep the ginormous grackles and other birds out which seemed to work.
After several hot days of drying, I placed the grains on some aluminum pans to be lightly roasted in the oven at a temperature of around 180f. for a few hours. After that, I pushed the grain around the inside of a colinder to remove the rootlets.
Then next step is the mashing process and I will take some readings on the sugar extractions. I plan to do a batch sparge using a five gallon bucket with a braided hose in the bottom to filter. I've never done a batch sparge as my normal system uses the fly sparging technique. If you have words of wisdom regarding batch sparging, please leave a comment.
For the previous steps in malting barley go to here for step I and here for step II.
4 comments:
Mark,
I have been batch sparging for the last 4+ years.
My efficency drops 8%+ for normal gravity wort and 20%+ when you get into the 1.080 range on my system.
In combo with your overmodified/undermodified malt you will be doing well at 50% efficency.
Good luck.
Mark
Zymurgeeks
Hey Mark,
Yeah, I generally figured it would be low. Once I have the actual gravity I am confronted with two questions.
1. The amount of potential sugar in the malt.
2. The amount of extraction I get from the mash.
We can assume with commercial malt that the gravity potential will consistently be at 1.037
and can accurately determine the mash efficiency.
With my malt I have not data point to refer and will simply be shooting in the dark as to how well I malted and/or mashed. I'll let you know what the gravity is soon since I plan to brew with it next week.
I just malted a batch of feed barley from a local farmer and got about 1.030 for my first brew with it. It ended up being about 30% eff. I think I way over malted to grain for this first batch.
Efficiency was low here too. I came in with what I think is 50% or 1.028 for 9lbs. I'll detail it in the next post.
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