March 12, 2009 I have just moved into a beautiful brand new apartment building and I'm on the top floor. The only thing that wasn't beautiful was the balcony. It was totally covered with pigeons and their poop. A friend told me to spray straight javex bleach on the railing or wrap the railing in plastic and generously spray with bleach. It worked! All in one day like a miracle! She told me to do this everyday for 7 days. After working so well after just the first day; I didn't need to repeat . Keep the little ones and pets away for at least a week. It's better to disallow anyone on the balcony during this time. Take caution bleach is poisonous it can also discolour. Use plastic gloves and mask while using. Good luck! Lee ... View related article.