Quartz (quartz sand) is hard, wear-resisting and stable chemical properties silicate mineral which the main component is SiO2. Quartz (quartz sand) color is white or colorless translucent, hardness 7, no cleavage, conchoidal fracture, oil sheen and the relativ...
Manganese sand filter (remove iron and manganese) Manganese sand filter is made of high quality natural manganese ore, the appearance is brown color and it has good effect for filtering iron and manganese in groundwater. Manganese sand filter is using natural ...
Water ionizers (also known as alkaline ionizers) is a home appliance which claims to raise the pH of drinking water by using electrolysis to separate the incoming water stream into acidic and alkaline components. Proponents claim that consumption of the alkali...
