Miracle-Gro Plant Revive

hi just wondered whether anyone had used, Miracle-Gro Plant Revive and if it was ok to use on clones if diluted and sprayed on to the foliage, the dosage on the bottle is 50ml for a 6-8 inch pot direct to the soil, and repeat every 7-14 days, as my clones are looking a bit bedragled as i forgot to spray them or if not ok for clones is it ok to give to my other plants i am going to test it on a male i have but wondered if somebody had already tried it?.
cheers
mat