HELP! Sick or LED damage

[HobbitGDF]

So I recently turned up my light. These zkittlez auto are showing these signs or a deficiency. I just dont know if it's a deficiency or if it's because the light was turned up too high?
light is hlg550 18/6 @ 50-60% power (now!) 24in from cola
I use foxfarms soil. These are mix 25% happy frog, 75% strawberry fields. I water with ph 6.5-6.7 now days. Foxfarms dirty dozen nutes.
Runoff is always 5.5 ish area. No matter what I try. So I dont worry about runoff so much as to what I'm watering.
so Is this because of my light or deficiency?

[HobbitGDF]

Also I've only given 1/2 nutes cause they are all kinda on smaller scale.
doesn't light burn increase deficiencies?

[Ziemelblazma]

Not a light burn. Looks like https://www.growweedeasy.com/cannabi...ium-deficiency . Does Your nutes contain Calcium? Where You get Your water? Low pH may decrease Calcium uptake.

[HobbitGDF]

Tap water that's aerated 24 hours, and yes fox farms dirty dozen has calcium. Maybe it's due to low PH in soil? But it's been that way since sprout. Think it's the soil but it hasnt been a problem until now. My gorilla glue had same issue kinda

[Ziemelblazma]

Then it's probably the pH, You should raise it on water You feed the plants to ~7.5. I suggest to do it slowly, not to stress the plants. Your run off should be about 6.5, eventually.

[HobbitGDF]

Ok so most of the nutes do not have calcium. I do have some organic gardening lime, sensitive cal-mag, and meigs organic fertilizer sul-cal-mag.
Should I add some lime to soil during next watering?
If I do should I use any liquid cal-mag?

[Ziemelblazma]

I would add little lime to the amount of water You use and wait an hour, then check pH, get it to at least 7 or even 7.5. water plants with that. Check runoff. Lower pH gradually as You water the plants.

Tap water usually has Calcium in it, I think it might be the pH, maybe also deficiency lime will cure both.

[HobbitGDF]

Yeah I've tried with my gorilla glue and the high the PH I added the lower the runoff. It was weird.
I've been just trying to add about 6.8 average. I did add extra high one day and it made it worse. So I've been afraid to try again with these since they look so good.