deficiency or toxicity please help innconent plants at stake...

plants are about a month into veg with 24hrs light. growing in 18gal aeroponic setup. im using pure blend pro veg with cal mag and liquid karma. ppm is at 1200 right now. ph is 5.75 - 6.1 never any higher. water temp is 20°c. here are the pics please help!

remember to change the solution in the res

sounds like ppm is too high to me unless your mid flower? how often do you change the res?

Too much Mg locks out P/K which is what it looks like. If 1200ppm is about 0.6EC is that not too low?

If so P K def due to low ppm or Mg lockout

i change water every 2 weeks.

lahadaextranjera said:

Too much Mg locks out P/K which is what it looks like. If 1200ppm is about 0.6EC is that not too low?

If so P K def due to low ppm or Mg lockout

Click to expand...

i had it at 800 ppm and it seemed low so i bumped it up and still having the same problem... might be to much mg? ill flush and go less on the cal mag.