can any1 tell me if it would be ok to let my plants go up to 2 n half weeks longer ?? or should i harvest them over a few days?? or should i wait until i have seen more webs then harvest? i really dont want to spray my plants with anything just b4 harvest..as i only saw 4 small thin webs and 1 thin line web im guessin the problem is small?? can any1 help me? its jus makin me very nervous now as i dont know how big the prob is..