I plugged this recipe into pro-mash and found that the IBU's is 51.5 not 25 as stated in the recipe.
Am I doing something wrong?
Recipe by George Fix from Big Brew 2002
Extract with grain
Ingredients for 5 Gallons:
8.5 lbs Extra Light Dry Malt Extract
0.5 lbs CaraVienna Malt
2.00 oz Hallertauer Mittelfruh Hop Pellets, 4.5% AA, 60 min
0.75 oz Hallertau Hersbrucker Hop Pellets, 4.75% AA, 30 min
0.75 oz Hallertauer Mittelfruh Hop Pellets, 4.5% AA, 15 min
Wyeast 2633 (if you can't find 2633, 2124 Bohemian Lager is a good second choice)