Thanks ChrisHere's the one(I think):
From the Charcoal Nerd - aka @noboundaries
Kingsford Briquettes vs. Royal Oak Ridge Briquettes: Burn Temperature, Time, and Ash Comparison
It's that time of year just before Memorial Day when "bulk" charcoal goes on and off sale, with deep discounts, up to 50%. July 4th will be the next opportunity, then Labor Day. After Labor Day you can often find "clearance" sales that are unbelievable as stores empty their summer stock to...www.smokingmeatforums.com
Chris