Today I noticed more yellow spots that sometimes results in holes. The problem seems to be spreading quickly since yesterday I only noticed it on a couple of leaves total and today it is a couple of leaves on each of the plants.

I checked for bugs and I am pretty sure that there are not any. The holes are random and not localized anyway, only a few on each leaf that has it. I recently diluted my nutrient solution so I would like to think this is not a nutrient burn. I am going to try flushing the system anyway to see if that might help since I am not what else to do.

In the meantime I am going to post the problems to the forum “Rollitup” to see if someone might be able to help. Here is a link to my post Yellow Spots That Turn Into Holes for the full discussion.

Hole in Leaf 1

Holes in Leaf 2

Holes in Leaf 3

Mottled Leaf - Day 1

Holes in Leafs 1, 2, 3 & Mottled Leaf (Day 1)

Yellow Spots 1 - Day 1

Yellow Spots 2

Yellow Leaf 1 (Day 1) and Yellow Leaf 2

Solutions:

  • None yet, decided to flush the system early but I have not done it yet.
  • One person on the “Rollitup” forum suggested it might be from high humidity and/or temperature and that the leaves are drying up, but this does not seem feasible. The temperature is kept between 75 and 85 and the humidity between 50 and 60 percent.

Updates: