hercules99
Active Member
I need help in identifying the issue.
Growing NL auto from seedsman since 7 weeks now. Noticed black spots on leaves and yellowing. From a google search, it appears to be any of the following
1. Potassium deficiency
2. Mag deficiency
3. Underwatering
4. Incorrect water ph (i've been using 6.5 to 6.8 ph)
5. Disease
Experienced growers, please advise me on what the issues could be. Can it be solved or is she a goner?
Here is the setup
Growing NL auto from seedsman since 7 weeks now. Noticed black spots on leaves and yellowing. From a google search, it appears to be any of the following
1. Potassium deficiency
2. Mag deficiency
3. Underwatering
4. Incorrect water ph (i've been using 6.5 to 6.8 ph)
5. Disease
Experienced growers, please advise me on what the issues could be. Can it be solved or is she a goner?
Here is the setup
- Medium: Soil-less mix (coco, vermicompost, perlite)
- 200 W full spectrum LED
- Temps: 27 degrees in light, 25 in dark; 18/6 cycle. Humidity: 40 to 60. 2x2 grow tent
- Age: 7 weeks since sprout
- Pot size: 5 gallon fabric grow bag
- Nutrients: Supersoil technique with autoflower living soil concentrate in potting mix; 2 tablespoons of "girl power bud booster" top dressing/4th day since flower
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