3 seedlings i treated and are now trying to recover from abuse

I got 3 new sprouts from a buddy who is on his first grow, doesnt know fucking shit about gardening or how to grow plants.

first mistake he made - growing under two heat lamps
second - MG soil , though i dont think that is a bad offense since i my self am using it
Third - he gave it some kind of feed that made the soil sparkely

(he is still growing one plant with 2 heat lamps and its thriving , wtf ?)

you can see from the pics of there condition, so far i transplanted them out of there original soil and into mine then flushed with water then watered with a 3/10 the amount said per gallon with transplanting solution , and they are now under 3 daylight fluorescents , total of 57watts i think ? idk ill be adding anouther light soon later this night

the reson i transplanted them all into the same pot is because if i can revive all three im going to try and do some fancy LST

im also posting a pic of my plant to show you how well a care taker i am

im posting this to let you guys watch my progress in trying to bring them back to life

right now im planning on keeping them on 18/6 light schedual but if any one thinks 24 would be better let me know

and im going to put a cut soda bottle over to add some humidity so yeah ,

if i succeed , gimi some rep ;D

Its either over watering (Seeds are small they only need barely any water to grow, with common sense you bump up the water demand when the plant gets bigger)

also i just posted this about soil which could also be a factor in your issue.
https://www.rollitup.org/indoor-growing/390448-best-soil-mixs.html

only time will tell if i saved some lives here .... :/ now i know how a doctor feels

plant pics 12456 are d.e.a.d. i had one problem a few weeks ago with one of my jillybean just like that.

i still have hope, they will live