So my pots are very close to one another so they can't breathe enough but my space is quite limited and in veg maybe there was not enough extraction. Now that they are in the flowering room they have a little more space but still too cramped. It's just one or 2 pots out of six
Then yes. Its 110% good fungi
It's a good thing. "Mycelium" I'm sure if you read up on your nutes you'll see the warning not to remove the Fungi.
Look it up. Your golden.
Mycelium is a by product of whatever organic product you used.
Not mold. That'll eat itself up over the next few wks. Its a beneficial fungi.
So, do not remove.