Oh, I understand it's acidic. Every time I have it in salad I get terrible heartburn, lol. However I wasn't very complete in that answer. After reading through this thread again I suspect a change in fert is something to try, like Supernatural as it has pH buffers in it. Just a thought really. But I still believe soil for most people is easiest. I imagine there are those who think I'm wrong but if you're good in hydro, I say more power to ya. In soil pH tends to be less of a problem.