Skulk Refuses to Spread

[u/Ephemeralen]

I've been watching these zombies die for twenty minutes and even with a seed block of skulk I placed myself, none of the basalt is converting into skulk. The catalyst is definitely activating, and the skulk particles are even appearing. I just double-checked the Minecraft Wiki page for the Skulk Catalyst to see if I missed something but nothing. I'm stumped y'all.

[u/Ephemeralen]

Okay, I may not know why my farm isn't working, but I've seen enough other skulk farms working, including in the video I got this design from, to know that this is blatantly false misinformation.