Why does this keep happening to my dab pens? And how to avoid it? Sometimes I lose around 50% product. No matter the brand of pen or cartridge : r trees Did you know? Some vape products have been tied to seizures and even found laced with fentanyl. One puff from a contaminated cartridge can be deadly. Keep yourself and our Lost THC CB9A V2 Disposable 7.5G Clear the AirEasy Ways to Unclog Your THC Disposable Vape Pen Lost THC Vape Not Working? Here's What You Can Do Lost Mary MT35000 Turbo Review: More Puffs, More Flavor! Vaping360