Oh I didnt necessarily mean that, I had to go back to check the details on your setup and youre running low tech right, no CO2?
It is possible that the light level that will make PP Cuba happy might be too much for the general tank, which is why I suggested moving the plant to a brighter spot.
I was surprised by how much of a difference this made for some plants in my tank. I should note that I dont have any personal experience with PP Cuba other than killing it off the only time I tried it 😅
But take it with a pinch of salt, maybe its entirely fine and im worrying about nothing 😊
Holes in the leaves of ARM, can you post a picture? And what is your livestock?
HP is a chapter for itself, dont even get
me started 😂