!!! Fungus gnat larvae on roots QUESTION

sativahigh

Member
I had a problem with fungus gnats and bought some mosquito torpedoes. But I dont think it has any BTI in it. I also have serenade spray and fungicide 3 in 1 spray. Do I just spray a shit load into the hydroton so it sinks down into the roots? Can I spray the roots directly? Should I dilute and spray? Any help is greatly appreciated
 
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