Understanding effiency....
I'm going to do my first AG batch...How do I tell my effiency ?

I understand how to change receipes depending on the different effiencies...
I just don't know how to figure out mine... 
Best to use some brewing software:
Basically each pound of malt has an extract potential. Say, 2row has about 36 points per pound, per gallon. So ONE pound in ONE gallon at 100% eff. would be an OG of 1.036 If you had 70% eff. in that same gallon, youd have an OG of 1.025 SO, if you have 10 pounds of 2row, that is 360 potential points of gravity in ONE gallon. If you are making 5 gallons you divide that by 5... that is 1.072 if you have 100% eff. Say your OG is actually 1.050 in 5 gallons with 10 pounds of 2 row... that is 50/72 which is 70% eff. Brewing software helps, but it can be done with a little math by hand. It is your ACTUAL OG divided by the POTENTIAL OG of the brew. Each malt has a specific # of points/lb. Most are between 34 and 36 points, meaning 1.034 to 1.036 per pound of malt, in one gallon, at 100% eff. You will get about 70% of the total as a good starting point. 
Just fill in the blanks here.

I guess the thing I didn't understand was how to figure out the 100% effiency point number..I get it now...
You guys are a great help..I have really bad ADHD and some times it is hard for me when it gets too technical.. 
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Looking forward to hearing about a successful brew day! 
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