My plants are at 3 weeks of bud and it looks like something is eating the leaves. My humidity is kept at 45-50 it only happens to two plants so far. What could I use to get rid of whatever is eating them, fast?
No clue, but I think nothing is eating your plants. Sounds like a nutrient deficiency/lockout to me. You also have some white spottings on your leaves.
Those white spots are from dry ice burn. I use co2 on my plants. Flakes of dry ice fly out of the cylinder when I spay the room and once I accedently got it on the plants.