Lol thanks mntman!!! Wht bout ph testers and ppm meters? Im tryin to get some info i can read up on it but cant really seem to find the right info im lookin for......
yeah u want both meters if ur able to afford them they def help...Prolly atleast 12inches and how many sets of leaves and how long they have beeng vegging...From seed veg for 30+ days(atleast), clone 2-3 weeks(atleast)...JMO..GL bro