Yellowish leaves because of too much water?

I'd say it's not from the watering fuck up. More like the light is burning it. From your diary it looks like it's the leaves closest to the light that are effected which is why I say lights and not nute burn or from the excessive watering she got.

hard to say, could be K def or P excess ; In either case, it is probably due to root saturation and/or an improper pH

with all that runoff, the excess irrigation is probably no problem... little stressful for the roots -- if the plants didn't droop like crazy, then you avoided most of that stress too. runoff in a soilless/hydro just flushes out the inconsistent remains of previous fertigations - could be a benefit in some cases. In soil it would have leached off any remaining nutrients pre-amended into the soil. if you were already doing full doses of fertilizer, you didn't lose much. This is a diet issue - what you have provided more likely caused it than the excess irrigation 10 days ago. At this point it's a bit of a judgement call. Some amount of senescence (old age related symptoms) is possible.. .this is not consistent across all plants as far as robustness/severity etc... So, how quickly it's progressed should go a long way as far as measuring a proper response. I'd wait a bit longer before reacting... could be a low k. You look close to the end, so if you choose to add a bit more K, don't go overboard.

Could be a ph problem also could be the over watering especially if it was when the lights were on. The plant will be fine water it correctly from now on and it will make it to harvest it’s ok if a plant doesn’t look perfect for photos plenty of good bud comes from plants that ppl burnt a little bit durring mid flower sometimes a little stress can make the plant grow faster and stronger. Maybe give the plant a drought peri

That doesn't look like an overwatering problem to me, more like an over feeding problem. Leaf tips yellowing and dying are the 1st signs of nute burn. Just give plain water for the next watering or 2 and she'll be fine.

That definitely sounds like overwatering 10 liters non-stop would’ve flooded the root zone for sure, limiting oxygen and possibly causing some root stress or early nutrient lockout. Let the medium dry out completely before the next watering and make sure you’ve got good airflow around the pots. Once roots get enough oxygen again, the new growth should come back greener

Hiya mate your plant is showing signs of over fertilisation and too strong of a light making them go crispy, waxy and then curling up. I'd say reduce nutrients and light slightly to let them recover. They'll be fine, might get worse before getting g better depends how much over fert they got..