Y0inkanswered grow question 3 years ago 18C° day temp?correct? if so,increase it.
75%rh? if so,decrease it a little bit 10-15% would be good for now
Ph of water? you have to control what is you water value. 6-6.8 should be good.
Nutriments,are you following a schedule?if not,follow it,if you are already following it,reduce the dosage.
Good luck whit your adventures 🍀