There are many choices for clean drinking water and it’s easy to get confused as to what is the best choice. Here are some options. Bottled Water Bottled water is not regulated in Canada. Although it might be purified, generally it is just tap water (not from a mountain stream) and is the most expensive choice when it comes to clean water. Bottled water also contributes enormously to landfill and is an environmental burden.   Pitcher System There are a number of different pitcher water filters on the market and they do a pretty good job for the price. But they only generally use a charcoal filtering system which may improve the taste and alkalinity of the water but doesn’t remove major impurities like chlorine, heavy metals, fluoride and pharmaceuticals.   RO System A good Reverse Osmosis (RO) system is effective at removing impurities such as arsenic, nitrates, sodium, copper lead and some organic chemicals and fluoride. Unfortunately it also removes the beneficial minerals in the process and leaves water acidic.   Electric ionizers The electrolysis process separates the constituents of the water into 2 parts alkaline water for drinking and the acidic water, which is useful for watering plants and cleaning. The filtration process also removes impurities and renders the water pure depending on the layers of filtration and the number of plates the ionizer has.   Non-electric ionizers These ionizers have a complex filtration system using different media to filter out impurities. Because it doesn’t use complex electronics, there is usually very little maintenance with these types of systems and they are much ore affordable.   H2 Ionizers H2 ionizers represent the latest advances in water filtration technology. They infuse molecular hydrogen into the water, which has been proven to have considerable benefits. They filter water to a high degree and come in electronic and non-electronic version.