First week flower help anyone with light leaves curling down turning brown at tips

Grow Support
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This is an update and just more info if anyone wants to try and help but they look… okay just small pots and I can’t put into any bigger ones with the soil I have left next run will be different.

The bean I popped was from Barney farms
it was Cookies Kush [[Cookies Kush Strain

I’m using (tap water) my guess is I need to aerate it longer then test it and ph it to where it needs to be
[(Cookies Kush Strain Seeds | BARNEYS FARM USA)]]
I’m using fox farms soil

In pots 2-3 gallon I’m guessing

Runoff was high like 7 now it’s 6.3-6.5ish

Runoff ppm can’t test so NA i know that’s bad.

Indoor

Temp: day 80 night 65-75

Light system is ac infinity s33 260W light on 80% in flower rn 4 days in taking these pictures

Humidity: day 50% night 45%

Humidifier

Co2 no

Any help would be appreciated thanks
Does anyone know why my water will be 7.5ph then all the sudden after PHing the tap water and fixing it 24hrs later it’ll be back up to like high 7s

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What you feeding with?

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We call that ‘ph drift’.

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FF is known for that!

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The yellow on the old leaves is the plant sucking nutrients out of those leaves and using them for the flowers. Fertilize it more often.

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I see fading between the leaf veins. Just starting but it is all over. I have no clue why but seeing it a lot lately. I was getting it but I expect it with reused soil. First step I would take is the simplest. Verify PH input. Knowing your nutes will help everyone diagnose. Add 1 or so tblespn horticulture epsom salt top dressed. It can also be foliar applied. You mentioned tap water. Cool. Should have plenty calcium. You are not in distress so relaxed and simple fix. Wont hurt the plant. Can only help.
Give a week of PH proper watering and your nute line. No change with the added mobile nutrient then we look at more invasive repairs. KISS method. Just my thoughts but I have found it is usually the simplest basic that is the culprit.

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