zer0signal
Aquarium Advice FINatic
I used to see that on the occasional leaf on the same plant. I can't recall if it occurred randomly or after making a change (amount of light or duration). The issue appeared to resolve itself over time (leaves filled out and green/brown coloration disappeared).
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Yeah, its hard to track down what it is exactly...
I see the tops of them are perfect, but dunno about why the mid leaves are spotty..
I was thinking maybe Iron, which I am going to start dosing once a week on top of the CSM+B regardless. I guess I will put another root tab around the base of them too, and see where its at in another week or so.. ¯\_(ツ)_/¯