Maybe you should figure it out on your own then. The people are telling you its the soil. THE SOIL IS CAUSING THE PROBLEM>>>>MG SOIL SUCKS FOR GROWING THESE PLANTS......Everytime you water you over fertilize it, so it has too much nutes...resulting in nute burn.....also MG soil and MG ferts have urea in it which gives the buds a terrible taste, like eating a handfull of chemicals.....YUMMMY. But if that's what ya' want, then yup you're right....it's a disease, called miraclegrowstupiditis, and is very hard to fight off. Best bet is to replant in new, non miracle grow soil, with no miracle grow ferts, and the problem, or disease, will be gone in a week or two.
There ya go...