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When you soak a water filter, water enters and completely wets the chromatography column. Ion exchange resins removes heavy metals through electric charge transfer. Other ion exchange resins, like the ones used in coffee machines, work by exchanging limescale forming minerals – namely calcium and magnesium – with other minerals such as sodium or potassium. Luckily you can’t taste or smell chlorine ions, unlike chlorine, which makes the water taste better. Activated carbon chemically alters chlorine and turns it into chlorine ions (this means it now holds a negative charge). Some water filters may use both processes in the one filter.Īctivated carbon chemically alters some contaminants into products that are less harmful or simply may make the water taste better. Absorption is the process of mechanical water filtration.Ĭhemical reactions occur both in activated carbon and ion exchange water filters.

Absorption removes contaminants like a sponge – contaminants get “trapped” in the carbon pore spaces, but do not get stuck to the carbon surface like adsorption. The same principle (adsorption) is used here to remove contaminants.Ī bsorption is different from adsorption. Some filters may use carbon in an impregnated cellulose mesh. This “stickiness” is caused by an electrostatic attraction – kind of like a magnet – that tightly holds the contaminants in place. Soaking a water filter will make your water filter more efficient.Īctivated carbon removes contaminants through three main processes:Ī dsorption effectively removes contaminants from the water by causing them to stick (adhere) to the carbon surface.

Liquid chromatography does not work as efficiently if there are any trapped air bubbles or particles in the water filter. Pre-soaking your water filter increases the amount of area it has in contact with the water. Here, tap water flows through the filtration column that contains a chromatographic filtration mechanism (usually activated carbon and/or ion exchange resins). This technique is useful in separating different components of water, like heavy metals, hard water, and other contaminants. Most water filters operate on the principle of liquid chromatography.

5 Reasons Why You Have to Soak a Water Filter 1.

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In this article, I’ll explain 5 reasons why you should soak a water filter, how long you should soak them, and go through a step by step process on how to soak different water filters properly.įirst, here are the 5 main reasons why you have to soak a water filter. While it is a general rule that you must soak your water filter before using it for the first time, instructions may vary from brand to brand (more information below). Most water filters should be soaked before use to increase the surface area of the filtering material, create a uniform flow rate, and to enhance filtration efficiency and speed. For many, it may seem silly to soak a water filter as it’s going in water anyway, but knowing why soaking is important, and how to do it properly filter can go a long way in making your water filter work efficiently. 58% of individuals use some form of home filtration system.

Soaking a water filter before first use is necessary to optimize the filtration process.

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