The filtration and purification processes are highly important not only in the context of muddy water as even the clearest creek may contain micro-organisms harmful for our bodies. With the invention of the drinking water purifier we can no longer worry about the metals, the germs, bacteria, fungi and protozoa present in our water. There are various types of drinking water purifier, some relying on filtration and some others on the use of disinfectants like chlorine, ozone or iodine. When you have to clean your water out in the open, a little tablet dissolved in the water can really work wonders. Ozone for instance has become the drinking water purifier used by some of the largest water administration companies in the world. The disinfection process is instantaneous when oxygen is passed through ultraviolet light; various filters and UV devices are also available at the small scale useful for private households. A drinking water purifier that cleans the water as it flows is considered the most reliable, as compared to the models that rely on sedimentation and ulterior filtration. A technologically advanced drinking water purifier will not need a pre-filtration system in order to be operational. Outside the household, the drinking water purifier is an essential item when going camping or hiking. Depending on the model, you may use a larger tank that you hold in your tent for the water supply of the entire trip, or there are portable small recipients with special filters and purification screens that will clean water while you are on the move. The price of the drinking water purifier will very much depend on a series of factors: the most important one is the technology used for the filtration process. An UV water purifier will be more expensive than the iodine tablets for instance. The price of drinking water purifier models also varies according to the size and the water capacity. Always check how many gallons it can purify, and then choose the type that suits your needs. The necessities of a household are definitely lower than those of a pharmaceutical company for instance, not to mention that the maintenance responsibility is a lot higher for technologically complex models. If you want to purchase the drinking water purifier for personal use, then the most advantageous solution is to get one that requires as few modifications as possible; you may have to change some filters, but that should be it!