Help, I'm fairly certain that my plants are in nutrient lockup from a high pH. My caretaker was watering with well water that ranged from pH 7.4 to 7.8. They didn't seem to mind as they exploded in growth after their transplant but now 2 months later they are showing definite signs of micronutrient lockout, stunted growth, leaf spots, curled leaves, distorted leaves, and the lower leaves are yellowing, light green, or brown. How do i lower my soil pH from 7.9 to 7.0? Yesterday I watered each plant with 5 gallons of 6.3 pH water with superthrive (using pH down). I'm thinking I should let them fully dry out before I flush them again with 7.0 pH water tomorrow. I'm also going to try and find some coffee grounds to spread on the topsoil. In the mean time I'm foliar feeding with FF big bloom and tiger bloom. Any tips on how to save my plants before they dive off the deep end? Is there any chance that watering with the lower pH will actually solve my problem? The plants are in 45 gallon air pots, in a custom 420 blend soil. The plants most effected are the three purple OG's. I have been watering after the soil dries out with the general feeding recommendations of FF Grow Big and Big Bloom. Unfortunately their weakness from the lockout brought on a thrip infestation but have treated with spinosad yesterday.