When talking about survivalist planning, there is often confusion about the differences between a water filter and a water purifier, with many people thinking they essentially do the same thing, but that purified water “tastes better”. In fact, there are quite a few differences between the two, and should definitely influence your decision when purchasing something to clean your water in an emergency situation.
Both water filters and water purifiers are used to improve the quality of drinking water, but there are some differences in how they work and most importantly, the level of protection they provide.
A water filter is designed to remove impurities from water, such as sediment, chlorine, bacteria, and some chemicals. Filters work by physically straining the water through a porous material or by using chemical reactions to remove impurities. There are different types of water filters available, including activated carbon filters, ceramic filters, and reverse osmosis filters, which have varying degrees of effectiveness.
On the other hand, a water purifier is designed to remove a wider range of impurities, including viruses and protozoa, which are not effectively removed by water filters. Water purifiers use a combination of physical and chemical processes, such as ultraviolet radiation, reverse osmosis, and distillation, to remove contaminants from water. The goal of a water purifier is to make water safe for drinking in situations where the water source is known to be contaminated or where there is a risk of contamination.
In summary, while both water filters and water purifiers are used to improve the quality of drinking water, water purifiers provide a higher level of protection by removing a wider range of contaminants, including viruses and protozoa, which are not effectively removed by water filters.
If you are pulling from a known clean water source, filtering water is fine. But if your water is coming from a source that could be contaminated, you will want to ensure your water is purified to make it as safe for drinking as possible.