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- fine-ass '22 harvest!
... ..not sure what lime juice will do, but it's not a substitute for a wetting agent,.. you can use a mild soap, like castille, but avoid heavy duty dish detergents and the like, too powerful,... the wetting agent take the surface tension out of the solution, so when you spray, it coats and sticks more evenly, instead of just beading up,... start with about 1ml/L and test spray to see if it's just enough to not bead up much... this will emulsify the oils in the neem, and also help penetrate the thrips natural water repellency-