Ok My Plants Look Like They Are Dying And I Have No Clue Whats Up..this Is My First Grow And I Read As Much As Possible But U Kno It Still Got Problems...my Plant Are Now About 3 Weeks Into Flowerin Most Were Doing Good But Now They Are All Starting To Get Yellow On The Bottom Part Of The Plant Leaves Then Brown And Look To Be Dying..the Top Of The Plant Is Still Growing New And Decent Looking Leaves But The Bottom One Are Looking Worse Every Day..i Need Help Please...im Using Pro Mix Soil And Have Them In 16 Ounce Plastic Cups At The Time..thought Maybe Its Getting To Small??and Im Using A 400watt Metal Halide Now..i Started With Flos...its About 18 Inches To 2 Feet Above Plants...my Temps Stay Around 70 To 80 Never Much More Than 80 And Not For Long If At All..i Try To Maintain 73to75 Degeres...my Humity Is Almost Always Between 40 And 55%... I Did Add Some Miracle Gro All Purpuse Nute With 24-8-16 At About 2weeks And A Few Days Ago..im Guessing Its A Nute Burn Possible Or Maybe Mylights To Close And Too Hot..by The Way The Tips On One Plant Are Curling Up And Seem To Curling Down On The Others..but The Leaves Do Look Pretty Bad..i Only Water When They Feel Completly Dry So I Dont Think Im Overwatering...i Got A Ph Meter That U Stick In Soil To Check But It Says Go In 5inches And My Cups Arent Even That Deep So It Is Prolly Unreliable...well Any Help Would Be Much Appreciated...,.