Vivid Pineapple Rocks Medium Strength 11mg/ml E-Liquid Vivid Pineapple Rocks E-Liquid captures the delicious tropical flavour of pineapple making it ideal for those who appreciate the sweet things in life. Vivid's aim is to create the very best e-liquid flavours & have a dedicated team of taste developers across the world to ensure that each flavour is extensively tested for taste & satisfaction. Vivid Pineapple Rocks Medium Strength 11mg/ml E-Liquid contains nicotine: 11mg/ml.