Hi
I am new to hydroponics. Have some issues with 3 plants out of 10 plants.
Ph 5.9-6.0
Room temp 24 c'
Water reservoir temp 23 c'
Ppm 720 ghe flora range soft water
RO water being used
Plants are 5 weeks old from seed.
Not sure if its calmag deficiency?nute burn?water temp issues?nute issues?nitrogen issues?
It started with 2 of the same strain plants. And after about a week it is starting on another plant
Can any1 help?