Surprising Health & Household Pest Solution: Natural Spray vs. Ultrasonic Tech In the quiet battle against household pests, two surprisingly versatile solutions are gaining traction: nature's own aromatic deterrents and the high-tech hum of ultrasonic devices. On one side, the Grandpa Gus's Extra-Strength Mouse Repellent Pouches offer a snappy, scent-based approach, blending cinnamon and peppermint oils to repel rodents while freshening the air in your car, RV, or garage. Their compact 1.75 oz size makes them perfect for discreet placement in tight spaces, though they may require frequent replenishment. Meanwhile, the 2025 Upgraded Ultrasonic Repeller steps into the scene with a silent, modern strategy. This electronic device emits high-frequency sound waves to confuse and deter pests like roaches, mice, and spiders, available in 3 modes and sold in 6-packs for efficient coverage. Its plug-in convenience is unmatched, but some claim it struggles to penetrate walls or work reliably in noisy environments. For those preferring a more robust natural option, the Tomcat Repellents Rodent Repellent delivers a ready-to-use 1-gallon formula infused with peppermint, cinnamon, and garlic-ingredients that not only repel rats and mice but also linger as a pleasant scent. Its sheer volume is ideal for large areas, yet its effectiveness may depend on consistent application. Then there's the Mighty Mint Peppermint Oil Rodent Repellent Spray, a 16-ounce powerhouse of plant-based strength, designed for both indoor and outdoor use. Its concentrated formula promises long-lasting protection, but its spray form may demand more precision than the discreet pouches. Finally, the 2025 Upgraded Ultrasonic Pest & Insect Repeller (a newer variant in 4-packs) expands the tech repertoire, targeting bugs, mosquitoes, and ants alongside rodents. While both natural sprays and ultrasonic devices tout their safety-no harsh chemicals, no harmful emissions-their methods differ: one relies on the power of scent, the other on the science of sound. So, which path to take? The answer might hinge on your preference for the earthy allure of natural oils or the invisible precision of ultrasonic waves. After all, sometimes the most surprising solutions are the ones that quietly coexist with your home's ecosystem.