How much Potassium salt do I need to use per gallon of water to kill the spanish moss?
I am trying to kill Spanish moss and air plants in my live oak trees.
Certified GKH Gardening Expert
Usually you will want to mix in the salt until it will no longer dissolve. This will indicate that there is enough.
I would only give a light spraying, though, since this will likely affect your trees in a negative way as well.