wiltage

it's day 8 and a couple of my clones are starting to wilt and one has yellow tips on the leaves im starting to worry i have em on 24 hr. light started em in rock wool on day 5 i put them into thair pots of soil now the temp has been down to 60 at night could that be hurtn em. the soil ph is around 7 maybe 6.8 any help ive kept em moist they willted on day 1 and 2 they were all strong on day 3,4,5 than i poted em up in a mix of perlite topsoil peat and a small amount of worm poop!
everything was lookin good til this mornin and now 2 maybe 3 out of 8 are wiltin

any nutes?

no nutes...