ok guys its now on week 7 of flowering i couldnt find the hand held microscope or watever u call it round here so i cant tell how the triches look like!! i wanna know when to harvest! in the last week i see new sensi growth and no more seed growth on the lower part of the plant. some leaves start to get dead/burned tips (nothing wrong with ph or nutes coz i dont give it any )

soooo can any1 help me?! when to harvest my lady?!
if u need more info just ask here
sorry for the bad writin im just in a hurry to get out the house to the beach and my eng is kinda bad