Justibone
Well-Known Member
If I'm not mistaking, the percent, such as 75%, relates to the expected sugar extraction from the grain. I am more in doubt about the specific gravity.
To me it seems that the percentage is the maximum possible fermentables you can extract from the grain, the gravity column is the maximum gravity you could get from one pound of grain in one gallon of wort.
the SRM Colum is colored from yellow to brown.
SRM - Home Brewing Wiki
SRM simply refers to color. Low numbers are light, high numbers are dark. There is very little difference in the high numbers (between 100 and 200, for example) but big differences in the small numbers (between 10 and 20, for example).
My last question deals with the term Mash. Some malts require the Mash process when others do not? I would have thought all grains would have to be processed in a Mash Tun. Is the mash process adding hot water for about 60 minutes? I may be getting the terms Mash and Sparge mixed up.
Most grains that add fermentables must be mashed. Mashing is enzymatic conversion of starches to sugars. Mashing is usually done between 140-155 degrees F, with roughly 1-2 quarts per pound of grain.
Steeping is used when a grain adds flavor or color, but not fermentables. An example might be Chocolate grain, or Roasted grain.
Steeping is also used with the Cara- grains, which have already been converted to sugar inside their grain husks, and merely need to be steeped in order to get the sugar into solution.
Sparging is just rinsing the grain to get some more sugars off of it.
