HELP!!!!!!! Weird Leaf curl and coloring...Help Please, never seen this before. PICS!

ok, so i got my clones 2 weeks ago and theyve been doing great. however friday night i had to leave until sunday night. So before i left i watered and put maybe a quarter inch of PHd water in the trays to let the babies soak up any water if needed...and they did. I got home and they looked like this. I shouldnt have left but my woman forced me to go to a wedding out of town with her. The plants werent droopy but they needed watered and maybe 6 or 7 looked like this. The leaves are curling, the edges are turning neon green and their very veiny. Whats going on, i want to save them before its too late. What happened how do i fix this. Im using botanicare nutes. Pure Blend Pro at 7ml/g and liquid karma at 3ml/g. My PH pen broke last week so im using the dropper and the strips. Could the PH be too high, i never trust those. Waiting for my shop to get me a replacment PH meter. HELP!!!! much appreciated it seems as if more are turning this way, im up to maybe 8 or 9 like this today

I would flush them with plain tap, gravity bounce out the excess and stop using nutes all together till you transplant them out of the solos.

Soil is to hot. Just like Zhu said , do a flush flush,

...and quickly ... they're still drawing those nutes ... cn

should i wait til they dry up? i just watered them yesterday but i nuted em.....should i wait til they dry up and do it or just hit em now?

and no ph correct just run it through?

Flush now now now. No need to mind pH. cn

i maybe wrong looks like potassium deficancy

thanks guys, really appreciate it, allready on top of it CN. halfway done. just did the first 20 and man did it make a fucking mess in the tub....haha i did it 3 times with 2 cups worth of water each time. I filled and gravity bounced til each clone it was done dripping. i think that should be sufficent. What do you think. Am i too late, do you think theyll be ok? no ph, just tap water.

cn, im gonna cut the nutes out until they rebound and i transplant. Would it be unwise to calmag them in a day or two?i havent used it yet, should i just wait til they come back and i transplant?

ok so its been a full 24hrs since the flush, they have stopped turning those weird colors, i think i stopped the burn, now i just have to nurse em back.....phew!!!! thanks guys