I am going to try the deep litter method for the winter in my coop and I have a few questions. I have a heavy wire floor in the coop for summer. I plan on putting plywood or rubber over it for the winter. Which do you think would be better? I was also wondering if it is OK to use Stall Dry with the deep litter method to help keep it dry? I have been having trouble finding the food grade DE. Thanks for you help.