whats happening with my clones today i took some cuttings from my plants followed the correct procedure cut the leafs off at the nodes cut at a 45degree angle dipped stems in correct ph water then into cloning powder i then placed cuttings into growing medium in this case rockwool cubes wich i soaked in correct ph water i put in prop tank sprayed them with a little water put under fluo light i checked on them approx 2 hour later only to find they had willted is this normal will they perk up or have i lost them at my wits end help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!please