A homeowner's flue has hard, shiny, tar-like glazed creosote that a standard wire brush will not remove. What is the most appropriate approach?
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A
Pressure-wash the flue from the top
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B
Use a chemical creosote modifier and/or rotary cutting tools designed for glazed deposits
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C
Sweep harder with a larger poly brush
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D
Burn a hot fire to burn off the glaze