First time grower about 5-6 weeks into flower can anyone help me out as what deficiency this is i did some research it’s pointing to calcium but I’m not sure it could be something else thanks for any responses !!
I’m growing in Coco coir the ph when I water is normally between 6.5 to 6.9 about 6 weeks into flower it’s been going good until now I use 444 And 284 fertilizer worm castings.I have two other plants with this grow and none are showing any problems this is also this plants first problem through out the whole grow. The light is about 12-15 inches away now but it was about 10 and I’m using a 450 watt led in a 4x4 tent