this is my second round of cloning, first round went really well... 11/12 rooted and were transplanted so i decided to clone a few more during the veg state. they were cut just over 2 weeks ago, sorry i cant get any pics but the leaves on the lowest nodes of some plants are turning yellow, not a crispy dead yellow but still yellow nonetheless, i washed/disinfected everything before taking the clones, the conditions are the same as with the previous batch (i think), they are in a clone box, misted twice daily with room temp boiled water except for about a week ago when i left for the weekend and couldnt mist them... would that have an impact on them? and wouldnt they have rebounded from that, they seem to be gettin progressively worse... should i just leave the lowest node to turn yellow and probably die off?