Hello, I'm a new cannabis grower with Yellow leaves wilting at tips

Well, long story short, I forgot my tap water was 8.6 ph, I tried dwc at first then ph'd the water and found out it was that high, so I decided to go to soil, and I never remembered about the water being 8.6, the idea just left my brain and I went on 2 and a half months of watering them with that high of water while trying to combat the effects. Then I remembered. Bought water that was around 6.8 and that was the difference maker, they were obviously experiencing nute lock out at least from the high ph water. Now the last few times it's been around 6.5 ph water and they really seem to be better, too bad it's at the end but I'm glad I figured it out with everyone's help,...lol long story long instead
 
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