Thanks for the reply - I did verify the PH is 6.4 - 6.7 with a meter. I am pretty sure this is a calcium deficiency. As I previously stated I have not seen this particular problem before and in this batch I have 4 plants growing. Two different strains - everything else is the for all 4...
Greetings:
I have a nutrient deficiency with one of my plants. Details:
Strain AK-47
Soil: Fox Farm Ocean Forrest
PH: 6.5 — 6.7
Light: Apollo Horticulture LED Grow light 400w X 2 (only using 1 atm)
Pot size 4.5 gal
RH% 45-55%
Temp: 78-82 degrees
Indoor only
Have you flushed the soil —...