Alkadrops - Your Perfect Choice for aHealthier Living！Alkadrops! We have been specializing inhealthy water treatment products for 11 years. UPGRADE YOUR WATER, UPGRADE YOUR LIFE! FRESH, INSTANTLY FILTERED ALKALINE WATER DRINKING NATURALLY PURIFIED, MINERALIZED, ALKALINE FILTERED WATER CAN IMPROVEHEALTH and WELL-BEING; Our alkaline water machine removes free radicals andeliminates toxins with powerful antioxidants. Creates a high negative ORP (Oxidation-Reduction Potential is a measurement tooxidize contaminant) which increases energy levels and aids immune system whilemaking your water more enjoyable to drink. Amazing Filtration and Alkalization Superior Fine Particle Filter Activated Carbon (reduces chlorine, bad taste and odor) Ion Exchange Resin for limescale Allows your body to easily absorb more water We are manufacturer, besides retail, we also welcome your bulk orders！ Precautions: 1. Wash hands before touching the filter and rinse the filter with cold water for 15seconds.If you found the black grains in water, please don't worry! they are the activated carbon in the filter, used for reducing peculiar odor and chemical substances in water. Since the activated carbon is easy to crash during the transportation, it is recommended to discard the first two filtered water when first time using the filter. Tese grains will not cause any negative impact on health, if you drink them accidently, they will be excreted from the body and will not cause any harm to your health. 2, Do not use hot water, above 100.4 ℉ (38 ℃). 3, Change filter every 40 gallons or approximately every 40days. 4,First time filter use instructions: Clean the filter with running water aboutfor 1 minute,then put the filter soak into water and shake gentlyfor 1 minute. This is the best way to use the filter, will not leak, will smoothly flow of filtration.