I looked at one today that had a real bad Pre-M stain on the front lawn. A flower bed leached it down a hill, it was (the homeowner did it so there is no record of ap, as to how much- she says not a lot,???) I'm told it's Casaron. The grass is whiteish - orange. I'm gonna use activated charcoal then I'm gonna take a sod cutter to the dead, then topdress the soil then re sod. Then springtime, I'll aerate the whole package and overseed with some topdress. What does everyone do with their Pre-M disasters?