You did right by getting the towel in there. A little water won't be the end of the world. There's a chance a little mold could form though.
After shutting off the main there is still water and some pressure in the house's pipes. It is always best to open up a few fixtures...Especially the lowest ones in the house...To let the pressure and some of the water escape.
After shutting off the main there is still water and some pressure in the house's pipes. It is always best to open up a few fixtures...Especially the lowest ones in the house...To let the pressure and some of the water escape.