Paste the text from the spool label, then check the fields. Blank fields fall back to sensible defaults for the material.
Write these to NTAG215 tags as a URL / link record (NFC Tools app → Write → Add a record → URL). One tag per spool, written once. Untagged spools are listed first.
For when prints alone don't explain what's left, clipped waste, a re-spool, etc. Pick the spool, tell it what kind of empty spool it is (for tare), then type in the scale reading. This overwrites the spool's remaining weight in Spoolman.