Originally Posted by 257wbymag
What I’m saying is many areas have higher ph water or calcitic based wells. You want your spray solution ph below 5 ideally and really towards 4 for optimum uptake of most pesticides. If you don’t drop the ph and you’re ph is say 7-8 you’ll get unsatisfied results and can lead to resistance if you keep half killing weeds and such. Examples are spray grade AMS or MSO based adjuvants. One we use a lot has both non ionic surfactant and liquid AMS all in one jug.

Thanks. I would never have considered the ph of the water.