Filtered water dispensers are a necessity these days because of the way our drinking water is becoming contaminated. You see, contaminants such as chlorine and lead that used to be removed through reverse osmosis are now being found in our water supply. So what can you do? You can have a filter at the sink or faucet, like the Brita pitcher, or an under the counter filter that fits on your refrigerator or other kitchen appliance. But there are other options for filtering your water, some of which are more effective than others. Most of us remember from our childhood days, how water filtering systems worked - in the garden, by extracting water from a nearby spring and filtering it into a drinkable liquid. The most popular type of the filtered water coolers is the bottom-loading water cooler. You've likely seen them at home, in public institutions and even places such as prisons and schools. Bottom-loading water coolers are typically made of cast iron and are very durable. The filtering system inside the unit is usually located at the bottom and is well concealed, so that no one will ever know that it's there. An alternative to the bottom-loading cooler is the sediment filter, which filters out large solids that could potentially harm you, as well as larger particles of dirt and debris. Unlike the sediment filter, the water filter is not visible, making it very convenient to place in a spot where no one will ever see it. The unit's filters contain a small amount of activated carbon, granular carbon and other substances that trap harmful chemicals, toxins and microorganisms while allowing in healthy minerals and essential nutrients that are good for your health. Some models even come with a self-cleaning mechanism to ensure that the filter is kept clean. There are also different models of the filtered water coolers available, depending on the amount of filtering that needs to be done. The most common filtration method used by these units is reverse osmosis. However, some are available in commercial settings that use a variety of methods including ion exchange and sub-micron filtration. Some other types of filters include carbon granules, charcoal, UV light disinfection, and ceramic filtration. These all remove different types of contaminants from the water that is sent through the dispenser. These filters are also available in counter-top and portable dispensers, making them easier to use. Filtered water bottles are another option, especially if you are purchasing a bottom-loading water dispenser. Water bottles are convenient, easy to carry around and most often come with built-in ice makers to keep your beverages cold. While some bottling companies offer free ground coffee through their products, others sell the ground product separately. Bottles are also sold in convenient travel containers and re-sealable plastic bags, making them easy to use and carry with you when you travel. Filtered bottles provide a way to make fresh, filtered water that you can drink straight from your dispenser without any cleaning solutions needed. In addition, there is usually no need to clean out the bottom of the cooler, which can be messy and time consuming. Many bottling companies include cleaning solutions with the purchase of a cooler, but you can also buy bottled water online, directly from the source or make your own cleaning solution at home. Just add water to a spray bottle and spray the cleaning solution into the bottle and then let it sit for a few minutes. This process cleans the inside of the bottle without affecting the taste or scent of the water. If you want t know more about this topic, read this post: https://en.wikipedia.org/wiki/Water_dispenser.
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