Powerful Ultimate power formulation retains pigeons from leaving a mess from the garden or destroying any flowers or crops. Use Bird Spikes: Install hen spikes on ledges, roofs, and also other surfaces wherever pigeons wish to perch. These spikes are harmless but make it not comfortable for pigeons to land. https://beckett8zl31.webbuzzfeed.com/31619355/how-to-install-a-pigeon-repellent-in-unaizah-fundamentals-explained