That chunk was from running 24 hrs @ 475-550* on the upper barrel.Pancho wrote:So what temps are you running at to form these clinkers?.scalabro wrote:
Heat loss up the chimney.
Your grates grind up ash, mine just dump through the center sliding grate and around the periphery it gets somewhat ground up.
Here is a picture of a setup similar to the Crawford 40......
......................
Paul......make some peanut brittle or toffee!