Auto harvest 5 plants from seed

Horrible pictures I know but anyway so the right and the middle plants are slowly comeing back to life after I burned them all few weeks ago whit the lights being to close the far left one is not doing so good iv had nothing but problems whit that one from day one mite be genetics im not expecting mush from harvest off that one they have all slowed down on the fitting buds to but all in all its ok see what a month will do to them also leaves are turning yellow on my big one im hopeing its just doing that cos it's a big auto flower and no cos if a Deficiency