Need help please! Brown spots and loss of color

Beginner Autoflower Suport
#41

Hello. I’ve read most of this tread and I’ll tell you a few things.
I’ve been growing autos for a few years now and I have had… and am currently having the same problem.
I too use natures living soil. With ffof.

This is a calcium def.
Water with some calmag and in a week you should start seeing things get better.

I only have this problem when I use poor soil OR I forget to add micronutrients.

Feed the soil…not the plant.

I’ll post pics in the morning of my blueberry autos and they’re recovery from Calcium def.
:smiley:

4 Likes
#42

Awesome @SeenDog thank you I will give her some cal/mag right now :v:t3:

#43

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Here we focus on the left and right plants.
Both blueberry auto at about 10 weeks from seed.
Both showed signs of calcium def about 2 weeks ago.
Waterd with calmag PHed to about 6.8
As you can see one has recovered and the other is still struggling.
Now I’m not too worried since they’re this far along. But I am watching VERY closely to see if it worsens. If this were to have happened when they were younger (preflower) I would have calcrab floral sprayed. Spray works faster then adding to water.

My recipe for success ; coast of maine stonington
Natures living soil
PH distilled water
Micronutrients
If I have to add anything but micro i most likely didn’t put enough living soil… feed the microbes that help the plant eat.

Autos don’t like too many nutes at one time, but if you have a big plant they eat them up fast.
Meaning use a weak solution more often.

Hope any of this helps.

3 Likes
#44

Do you mist the plants at all, what is your rh, have you rubbed the spots to see if the come off (rust)?
Here are some pics of issues
Mg deficiency image
Ph fluctuations image
The one it most looks like - Phosphorus deficiency image

#45

@Skysthelimit do you have an update for us? I have been wondering how your plants turned out.

1 Like
#46

@Jared I’m very sorry I have so many things going on at once I forget which way is up any more😳 yes as soon as I changed the nutrients and gave it more phosphorus and cal/mag it cleared right up. I also found the book that you have and purchased it and rely on it a lot. It’s a really good book. Thank you for all the help.

1 Like
#47

What nutes did you give it to bounce back?

I have been using Natures Living Soil effectively so far, but JUST planted new seeds in Coast of Maine + NLS. Prior to this I had been mixing it into Fox Farm OF.

Had you been giving it any compost teas or top dressing?
I’d love to hear any info you can give me here since my new soil mix is pretty much exactly what you’re describing here.

Thanks in advance!
Hope your plants harvested well!