The ColdFire Badder Lineup Is Back. Louder Flavor. Smoother Texture. No Compromise. Our signature badder returns — fresh whipped, cold cured, and bursting with loud, aromatic terpenes. Crafted for those who dab with intention and demand nothing but top-shelf fire. Unfiltered Flavor from Premium Indoor Flower Extracted Below -100° for Full-Spectrum Preservation No Degradation. No Additives. No Shortcuts. From live gas to fruity loud — this is ColdFire Badder, back and better than ever. “Flavor Speaks Louder Than Words.” Anxiety Citrus Diesel Happy Hybrid Insomnia Lemon Pain Relaxed Sour Diesel Uplifted More about this strain: Sour Diesel Also known as Sour D and East Coast Sour Diesel (or ECSD,) Sour Diesel is a prolific strain with somewhat tumultuous origins. According to online sources, Sour Diesel gained prominence in New York in the mid-90s when breeder AJ (short for A**hole Joe,) accidentally pollinated a female with pollen from a he acquired during a trip to Amsterdam. The end result, Sour Diesel, was reportedly named for the way it soured business relationships as it spread through New York’s underground cannabis market, causing rifts as it changed hands among growers.