The pics were taken yesterday. They've gotten a little worse today, more affected leaves too. All are fan leaves. Soil PH test turned up very close to same ph as the H2O used to perform test, mixed soil well into water 2:1 and let sit, filtered water out and PH'd it. Came out to 6.5
I think it may just be fading because its out of N, the plant growing with it (same strain, diff pheno) looks good and green. Fading as it should.
This one was fading slowly to a yellow, then purple, but the burning has me slightly concerned.
Haven't had any issues with nutrient deff. or overfeeding, ph or anything the whole grow.
Any input is appreciated : )