"I don't have a ph pen of yet I need advice"
go get one now. ph, especially in hydro, which that pretty much is, is crucial. you are unprepared for class..................
Its coco and I feed it canna coco ab was every other day but fed it daily the last two days
No, they won't drown. Don't have their top layer of medium floating in water for more than like 15 min if you can avoid it.
What is this hydro or soil?