Very timely article here: https://bikepacking.com/plan/waxed-canvas-bags-guide/
Ha timely indeed!
After a bit of googling, looks like I'm ok to use my mineral oil / beeswax salve.
https://thisvsthat.io/mineral-oil-vs-paraffin-oil
@RonnieOatmilk started
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Very timely article here: https://bikepacking.com/plan/waxed-canvas-bags-guide/