More frustration. I ran the safelight test and everything came out "safe." I notice the enlarger has -2 EV attenuator plugged in. Don't know if that makes a difference.
This was done with a grade 3.5 filtration dialed in (75M+15Y) for 7 seconds (f/8). Ilford MG RC paper, 60 sec. in Ilford PQ.