well i dont know why ur puttin your plant in 24 lighting it should be more like 18/6. If u want to clone and make sure u at least have one surviving, get some root gel and pete pucks or rock wool, then soak ur pete puck or rock wool in warm water, cut ur clone dip the end in root gel put it in ur cube or puck, get a tray with a clear lid, keep them in a warm enviorment and spray them everyday, when the tops start going yellowing and roots are showing out the bottom, its ready to be plnted and then u should have one survivng mother plant

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