blk. ORIGINAL Alkaline pH 8.0+ For those who like it straight up! A smooth and refreshing blend of fulvic trace minerals, hydration and electrolytes. Our blend of trace minerals is what gives blk. its' distinct black color. REHYDRATE YOUR BODY WITH ESSENTIAL MINERALS. Whether you workout do yoga or even take a light walk, your body gets dehydrated. Every bottle of our refreshing alkaline water is packed with nutrient-rich fulvic and humic acids that supply the electrolytes, antioxidants and amino acids your body needs. blk. INCREASES HYDRATION, FASTER RECOVERY AND RESTORES BALANCE. Minerals are the building blocks necessary for our bodies to heal, restore, recover and maintain.