5 week old purple hulk auto bottom leaves started yellowing....my first grow so dont kill me guys .....she's in ffof and has only been fed ph water for the first four weeks I stared feeding half doses of grow big and big bloom about ten days ago every other watering, under 300 watt led temp is good humidity is good not sure what's going on...only thought is she's not getting enough nutes maybe?..any advice or criticism is greatly appreciated
You're doing just fine. Lower & older leaves will often yellow, shrivel and die. It's not even a thing. Always judge your plants health by newest growth unless you see yellow wing spreading up the plant quickly. J