1: I have a ph meter
2: I think you mean what nutrients I'm using General hydroponics flora nova bloom, kool bloom, flora nectar, and calimagic
3: I almost never use ph down (but I just flushed and I used ph with the flush fml I didn't know)
4: I water every 3 or 4 days usually and there isn't...
About the mid level of the plant but tbh the plants has hadsome brown tips and some of the leave have been curling under I thought I was giving them to much nutes
Any help would be great, this is the last day of veg I have to flip to flower or else I think they'll be to big for tent.. I don't know what to do lol i just saw this today but I think there has been signs, some of the tips of my plants have been turning brown check the pics thanks in advance...