Refilling Your Thermacell Repellent Cartridge
Quick answer Thermacell repellent cartridges are designed for single use. There’s no official or recommended way to refill them. Attempting to refill can be dangerous due to pressurized fuel. It can also damage your Thermacell device. Stick to buying new, factory-sealed cartridges. Your best bet is to get a new one and keep the bugs…