How to use systemic in semi hydro?
All of my plants are in a south facing window some 40+ orchids in semi-hydro included. I found a filthy little mealy bug on my shooting star hoya and have decided that the whole window is going to get treated with a systemic insecticide so that this will be nipped in the bud.
Do I just mix up the solution and fill the resivoirs like I do with water?
I am determined that all of my plants will be treated. No exceptions.
Thank you for your advice.
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