Cork Bleaching
1.Avoid chlorine bleach.
2.Oxyclean TM for mild stains.
3.Wood Bleach for stubborn stains and wear staining on bottoms. Wood Bleach comes as Oxcalic acid crystals from any good
paint store. Rinse coasters well after treatment and maybe retreatment with mild 2% solution. Use gloves and be careful it
is a mild acid similar to vinegar in strength. Dry coasters well. Do not Dishwash them. Proper care will give lifetimes of
pleasure from these solid stone coasters.
