HELP! Leaves

[Ivio313]

Need help address the problem here any help would be appreciated, thanks
temps 69-76
rh 35-45
led is 22” away
have been flushing for last week
plain ph water^

[Ivio313]

More pics

[Mr.furley]

With the limited information it looks like a

https://www.growweedeasy.com/phosphorus-deficiency-cannabis

would help to know things like Soil? Coco? Hydro ? What's your PH? In and out? What are your feeding them?

[Ivio313]

I used general hydroponic flora series
A 1 to 1 to 2 ratio of cal mag to micro to bloom I decided not to use gro for a less of a chance of nut burn
I notice some nutrient burn two weeks ago and have been feeding plain ph water
Fox farm OF soil
ph is 6.0

[Mr.furley]

From what I can tell from the purple pictures you look like your close to done, if that's the case I don't know how worried I'd get. Do you know how far you got till the breeders guesstimate date?