With those temps, you'd have to have a hot spot right under the light, or very low %RH under the light for edge curl. The bleaching may then be feeding related. Cheese is a one-off rare Sensi Skunk 1 pheno- it should perform similarly to your other skunks. I believe skunks feed rather heavily. I hope a skunk connoisseur chimes in on this one.
Don't you have any way of posting pics?