An inexpensive and easy way to fix clogged glue nozzles is with a $65 nozzle cleaning kit. The kit comes with 30 probes and a pin vise to make probing easy.
Soak your used, dirty, clogged nozzles in Red Baron solution. Be sure to heat the solution. A small size crockpot works well.
Probe the nozzles to clean out contaminants and char and reuse your nozzles. Since using torches damages your nozzles, instead, try using the cleaning kit and continue to have good performance from your nozzles.
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