Splinter7
Well-Known Member
pH 5.8. 200 to 300 ppm gh nutes. Meters are calibrated. feed e3d mixing in calmag and Si. Peroxide. Perlite hempy 2 gal. Temp 75ish at day 65ish at night. Rh 45 to 60. 4hrs lights off. 6.5 weeks veg. Output pH in 5.9 to 6. Ppm out is like ppm in.
I have this happening on about half my plants to varying degrees. It gets worse when I turn up the lights. Ppfd at 500 makes them pretty upset do far. Not sure if light related.
Still growth has been good.
Any ideas? Cal deficiency? pH needs to higher for some strains?
I have this happening on about half my plants to varying degrees. It gets worse when I turn up the lights. Ppfd at 500 makes them pretty upset do far. Not sure if light related.
Still growth has been good.
Any ideas? Cal deficiency? pH needs to higher for some strains?