Eel River Organics Crackle Berry Cartridge is a sweet-tasting Hybrid that will have you mellowed out in no time. This cartridge tests at 80.08% THC. Enter into a world of relaxation and berry flavor with every pull. Eel River Organics starts with small batch, single-strain, organic flower, which is put through a CO2 extraction process to produce its solvent-free clear distillate.