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arcticap · October 30, 2008, 03:12 AM

Supposedly if the relative humidity is under 30%, then the residue is pretty harmless. But what forms is hard and more like a crust.

October 30, 2008, 03:12 AM	#11
arcticap Senior Member Join Date: March 16, 2005 Location: Central Connecticut Posts: 2,961	Supposedly if the relative humidity is under 30%, then the residue is pretty harmless. But what forms is hard and more like a crust.