Melt Pool - why your candle tunnels, soots or drowns

Candle tunnelling, black soot, a flickering flame or a drowning wick? Put up to 5 jar candles on a mantel with their width, the wax left and how long you burn them. The page works out the full-pool time, flags a jar too wide for its wicks and burns too short or too long, estimates the evenings left above the stop line and gives each candle a free verdict: fix first, keep burning or retire it. One metered run names the root cause of every symptom, the fix at that root, the patch to skip and the next burn. Built on the SkillSafe skill @cursor/principle-fix-root-causes.