potassium

  1. S

    Is it potassium deficiency? Thanks

    Hello, Plant: Hygrophila corymbosa. Leaves are turning transparent with brown dots and then just fell off. However plant and new leaves are growing and all other plants seem to be ok. I was wondering about potassium deficiency but I am not sure. Aquarium is 1 month old, 110l, light 6h (I have...
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