I recently installed a water softener and by default my growspace water supply is now soft. I haven't had any major issues with my tap water before(I'm on my third batch in the new digs), I just aerate it, pH it and go. I know the water in my area is harder than most (there's evidence on every plumbing fixture in the house), so I installed a softener. I don't even know how hard my water was before I got a softener, so I have just been playing with the setting on the softener going by 'feel'. Very recently, leaves began to turn yellow and have necrotic spots on them at the small veins on the fan leaves. The leaf turns banana yellow, the bases of the leaves turn yellow last. Unfortunately there are a few factors that could be causing my problems. I recently fed aggressively with a bloom boost 0-50-30. I am usually more conservative with this stuff. Also, I accidently watered some plants with non-pH-balanced water. AND, the day temps went up about 5F because I was playing with my light cooling system. I am obviously going to return to my conservative ways with the 0-50-30, and try my hardest to remember to pH balance water EVERY time(that was my first). The other exhaust fan for my lights is back on, so temps are back to 72-75F. I was wondering if anyone has had an experience switching from hard to soft water. Is it or worth it, or maybe imperative that I spend the 3 hours and $50 to get hard water to my growspace? Am I better off getting an RO system now (I was going to wait) and using the same source?