Help ladies in trouble

[Bib b]

Doing this in veg room and flower room ! FF soil and nutes lil warmer than usual 80 degrees third grow with same soil

[Saturnalia]

Is it a touch of nute burn on the tips? That doesn't directly account for the yellowing but you're clearly out of step with the nutes. Usual first resort would be a good flush and then a very diluted feed.