lolool...got the same blankets off the Zon...gonna' line my rubber floor with them as well as a small auto nook for an auto experiment this next adventure...sulphur burner...hmnnnn...not sure...I've found that good air flow generally trumps humidity(a contributor to PM)...can you get outside air down there?just for chits and giggles...Why Do I Have Powder Mold? Get Rid of Powder Mold | Getting Rid White Mold Cure Botrytis PM Garden - YouTube