Rainbow Sours Ice - Kilo Sour Series E Liquid is a brand that creates a lot of different juices that capture your heart with their new and refreshing flavor profiles that will have a huge impact on your collection that you will never be able to get enough of. Use only the best of the best ingredients and take all the extra time you need to ensure that your products are as spectacular as possible. Rainbow Sours combines apples, melons, strawberries and citrus with an intense blast of sourness.