4x2 tent, organic grow FFOF, dr earth fertilizer, 3 gal fabric pot, es300 light, 2nd week flower, temp 77 and 70 lights out, humidity 50%, 2nd grow ever. Thinking it magnesium deficiency but not sure. Found on net that adding epson salt (1 tbsp) to water would help for organic grow. Tried for 2 waterings leaves appear light green and more spots forming.
Any ideas tips or suggestions would be gr8ful. Thx
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Could be multiple problems. Is the problem getting worse or better? How many days was this plant in Veg and how long has it been in flower? Maybe you added the bloom nutes a little late.
Yes I was assuming it was magnesium because of the spotting, light colored leaves as well as a few purplish stems (could be genetics). I have watched several of ur youtube videos as well as some YouTuber Lex advice...I think... only thing that makes since to me is magnesium, potassium, and or nitrogen. I reammended median 1st of April with dr. Earth bloom so to me it should have nutrition. Possible lockout???.... runoff last night was 6.5
Initial thought is manganese deficiency. Is the spotting on the top part of the plant only or bottom as well? Did the spotting start at the top or bottom of the plant?