View attachment 5310661
Excess N, excess Ca and excess Mg block K, which would lead to a K deficit via lockout. You have 0.6 tap water. That is likely mostly Ca with some Mg along with a little N and whatever buffers are in your tap. Then you added .4 of Canna.
Like I said. Go with your gut and up your EC you will know which within 3-5 days. Only your plant has the answers. I know what I believe based on killing many plants over decades. The way you learn is to try. The plant will answer you. Go for it.