Please help I'm stumped

Tips may be some nutes showing you are close to max feed. Have to be patient now, and take it slowly since it had such a rough start.
 
Remington_Tufflipz said:
Hey man they look over watered.......

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From what I understand rockwool cannot be overwatered, also I did decrease the water schedule to 2x a day to promote some root growth


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Quick update the problem seemed to slow but it still persists the plant is growing and getting lots of new growth but the spots seem to creep up, I also planted another strain to compare and rule out this specific strain of fastbuds gorilla glue auto fem. my dark devil auto seed looked ok in the beginning though I felt I was slow growing, but now it’s starting show the same symptoms. This is not my first grow, but it is only my second attempt at growing autos. I’ve never seen nor had this problem b4, I’m starting to think that I just can’t grow autos successfully in rockwool. I really hope that’s not the case bc I loved rockwool this far.
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I’m still stumped anybody else have any ideas? Please I would like to get this plant healthy b4 flowers develop
@Waira any thoughts?

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Have you grown in straight rockwool before? Something's making the plant unhappy. Can you see roots through the wool?
 
Dudeski said:
Have you grown in straight rockwool before? Something's making the plant unhappy. Can you see roots through the wool?
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Yes I have successfully grown photos without a hitch in pure rockwool this problem has only happened to me growing autos the newest seedling is only my 3rd auto ever grown and they all showed these symptoms
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roots look healthy to me


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Same brand of wool, same blocks?
 
I run QB's and always start in rockwool. Keep the height at 30. You can try a) Drop to 350ppm and b)cut back on your water schedule. I would think about a 1/2 -3/4 cup most at 15 days. I use 3 oz's a day for the 1st 7 days (just keeping the cube moist) and water daily 1 time. seems to work well for me.
 
Justplaying said:
I run QB's and always start in rockwool. Keep the height at 30. You can try a) Drop to 350ppm and b)cut back on your water schedule. I would think about a 1/2 -3/4 cup most at 15 days. I use 3 oz's a day for the 1st 7 days (just keeping the cube moist) and water daily 1 time. seems to work well for me.
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Have you ever seen this before? Have you grown to harvest in rockwool? If so what have you done differently? I read that rockwool should aim for 10% runoff when watering. You mentioned only keeping it moist. I will try all your suggestions and I really appreciate the advice


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