Sweet, Gas Caryophyllene, Limonene, Myrcene, Nerolidol Blue Zktlz x Jet Fuel Gelato Let your imagination run wild with Back Forty’s Liquid Imagination. A cross between Blue Zktlz x Jet Fuel Gelato, this potent hybrid comes in a slim pre-roll. With a flavour profile that blends sweet and sour with a touch of gas, Liquid Imagination is a real treat for your senses.