hey guys desperatley tryin to figure this out. i have two plants in my small nft system their currently gettin 18 hours light from a 150w blue CFL, ph,temp and humidity all fine. running 20% of reccomended nutes light is about 3" away. The sickle plant started gettin "rust spots" on its lower leaves this is slowly moving up the leaves and the leaves it started on curled and have now almost completly dried up!! the other plant that has been very healthly looking is now developing the same thing on its lower leaves but no where near as bad.....can someone please help i orginally thought a magnesium defiececny but no im just confusfed and worried.
need some help...please!?!!
- Thread starter virus13
- Start date
MeJuana
Well-Known Member
It looks like only the leafs on bottom that are lacking light are showing problems. This means the light isn't reaching those leafs and the plant is taking thing back from them.. I can't see those pics enough to feel confident in making a call. But I can tell you Rust spots on leafs should be searchable. And plant problems are here.. https://www.rollitup.org/marijuana-plant-problems/