I have a problem, here's my story.
I boiled an old can of John Bull Amber Hopped and 1.5 lbs Muntons malt extract in 1.5 gal of water, adding hops at 15, 30 and 40 minutes of a 45-minute boil period. Strained into a carboy containing 3.5 gals water.
Specific Gravity at 70 degrees measured...