clones dying fast, plz help

i took clones yesterday, and put them ph balanced rock cubes, then put them in a dome. The clones were kinda tall, like 6-8 inches. we cut off all the little branches and leaves besides the leaves at the top. Within 24hrs, they have now almost died. they are shriveled up wilted, and look like there dying. We used a cloning solution too

I dk what to do, they are in a box with a 400w about 3ft away from them, and in dome with high humidity, and the temps in the low 70-s highs 60s at night. please help and sorry no pics, im looking for a camera now

thanks

raise the light if you don't have smaller one. Mist them and if using rockwool next time lower the ph to 5.5. Give them a little time, and keep the dome on, who knows things might improve.