I’m also for dr Zymes. Can vary the dosing til you get it right. Or go for the strong mix and it’ll work.
I also used a sample of “lost coast plant therapy” and Had good results.
Go to this site and sign up for the free sample
I was dealing with Fungus gnats and some sort of very tiny bugs that were cruising around the soil. After a few drenched I see no movement and the FG are on their way out. Sticky traps seem to be a big help here.