Fall first-stage rebuilds that are O2 “clean enough”

I discovered that my car battery was dead Thursday morning before work so I figured I would work-from-home and use that opportunity to do something truly productive. I figured I would catch up on a little scuba gear maintenance and rebuild some regulators, specifically first-stage rebuilds. All in all, it was a very productive day. I rebuilt a bunch of my regs that were well overdue.  I have a bunch more that I’ll save for a rainy/snowy day sometime this winter. Why Rebuild Regulators? My philosophy for most regulator rebuilds…