Stop in for a cup of coffee

Think I will put by stovepipes back together. Still debating if I will change the first one. Has a hard thin layer over most of it the brush won't take off. Have the new catalyst ordered. But before I put that in, I want to burn a small fire and then a CSL. Not much buildup, but there's 'glaze' on the inside of the chimney. These things seem to work pretty good. Converts creosote to fly ash...
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