i would hold off on using any supplements for the seedlings that could stress them out i would wait at least 3 weeks . and if you water them only do a very small amount and you should be good
http://www.growweedeasy.com/nitrogen-toxicity-cannabis
kind of looks like the start of nitro toxicity but i would just flush it real good and go from there
you will either just have to start flowering and or figure out a way to lower them , cause when you start flowering it will stretch almost twice its height
yeah its safe to cut them off just clean the blades before hand. i usually just wait until the entire leaf is dead so i can just easily pull it off whole instead of leaving a bit of the branch. on burying it is up to you i usually just leave them
i wouldnt worry about it until it gets worse theres not much yellow on the leaves except that one spot so just keep an eye on it for now and check this site out
http://www.growweedeasy.com/marijuana-symptoms-pictures
every plant is different in its own right even if you have the same strain for all your seeds they will still be unique in their own way. that being said one could of been slightly better where the other one was a little more prone to mag deficiency but the treatment could have caused the...
uncle buck thinks i claimed to be a professional grower when this was just for shits and giggles, for the most part i never expected them to get as big as they did through a window lol
yeah would need some pics to get a better look, but brown spots are usually manganese deficiency and nut burn is the tips getting browned and nothing else but if its the lowers they could just be shedding their leaves as they get new ones
bad genetics usually and or just poor soil but it looks decent to me , was the seed deformed or weak looking and was it a bag seed or did you order it?
to me it doesnt look like nitro deficiency they tend to claw but heres a reference to that in case. the lighting is kind of dark but the leaves look slightly more yellow then the original picture but that would be a magnesium deficiency http://www.growweedeasy.com/magnesium-deficiency-cannabis...