@olera.clean: Quick tip: vinegar for hard-water spots on glass and chrome. Never mix with bleach. Not for marble, limestone, travertine, or waxed wood. Test a hidden spot first. Clean and simple, that’s Olera. oleraclean.com (603) 698-4050 #Olera #CleaningTips #Vinegar #HardWaterSpots #NewHampshire #Massachusetts