Leaves cupped

[Consultree]

I have Cryptocorne Wendii in my planted tank. Recently the leaves have begun to cup inward. I moved some to another tank with less light intensity and they are forming regular leaves. None of my other medium to low light plants are doing this. Any thoughts?


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[Fishperson]

Calcium or magnesium deficiency?

 

[Consultree]

Why would other plants not show signs?


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