Cannabis vaporizers are a great way to consume discreetly and consistently. Vape cartridges contain concentrated cannabis oil that is heated by a battery and vaporized for inhalation. These products are very potent and are designed to be consumed in 2-3 second puffs. Watermelon Slushee, also known as “Watermelon Kush” and “Watermelon OG,” is an indica strain made by crossing two unknown parents. Watermelon produces relaxing effects, making it useful as a sleeping aid or appetite stimulant.