Bird-X Bird-Proof Gel Bird Repellent, Trial Kit of 3 Tubes - Walmart.com
Amazon.com: Bird Repellent Spray Concentrate, Residential Bird Problem Solution by Flock Free, 32 oz Concentrate, Makes up to 16 gallons : Patio, Lawn & Garden
Amazon.com: Flock Free Bird Repellent Ready Spray Bundle, Ready to Use Bird Spray 32oz + Concentrate 4oz for Refill : Patio, Lawn & Garden