Coffee Filters |

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Coffee Filters

posted Apr 02 2021 | All posts

Coffee Filters 

What is a coffee filter?

It is a tool that helps filter hot water from ground coffee beans and it makes coffee drinkable. The main purpose of coffee filters is to keep coffee grounds out of your morning fuel, paper filters also offer important health benefits.  They can also absorb all the oils that accompany a particular blend, the filter can absorb all coffee oils which are the base of its strong flavor.  More absorption, less flavor. 

Why use coffee filters?

Coffee filters help to remove oily substances (called diterpenes). Each filter has certain advantages and they vary according to the taste and needs to the customers. 

Paper filters usually cut some coffee oils which provide greater flavor, but it is according to how people want to drink their coffee. Another advantage about paper filters, it prevents the increase in cholesterol.  It also has advantages in its cleaning, it is not prone to bacterial growth and it is inexpensive. Stainless steel filters do not remove oils that some people say result in a richer cup of coffee, it has a contribution to the environment and its durability is high.

Do coffee filters affect taste?

 Filters are generally made of stainless steel, aluminium, or paper. There is a difference between paper and metal, the metal filter drastically reduces chunks of ground (called fines)  coffee that can end up in your cup of coffee. The fines add a bitter taste. Paper filter also removes oils contained in the coffee. 

At the moment to prepare a coffee in a stainless steel filter the body of the coffee is more  pronounced, it gives a better flavor, slightly reduces acidity and at the same time enhances the chocolate flavor. In the case of a paper filter, the coffee is almost clean and balanced. The filter that we use in coffee makers or any preparation equipment similarly affects the coffee taste even though there are several coffee filter options for coffee machines. 

Filter coffee is better for your health? 

There are studies from European Journal of Preventive Cardiology where it says people who drink filtered coffee have a lower risk of death. This is because unfiltered coffee has higher amounts of cafestol and kahweol, which can raise triglyceride and cholesterol levels.  

It was found filtered coffee is better than stovetop coffee. People who drink 4 cups per day of filtered coffee are in better health than people who drink unfiltered coffee. These kinds of people are 15 percent less likely to die from heart disease because some studies say filtered coffee has 30 times fewer lipid- enhancing substances like unfiltered coffee. 

For those who are interested in taking care of cholesterol, the best option is to choose filtered coffee since it lowers the level of cafestol which is the component of coffee that increases cholesterol. 

American Heart Association says it is not too good to garnish coffee with creams, sweeterness, because it would eliminate the real benefit of coffee. Penny Kris-Etherton, a nutrition professor at Penn State University, says that frappuccinos and other fancy caffeinated drinks can add calories up quickly, cause weight gain, and increase one’s cardiac risk.  


Differences between filtered and unfiltered coffee 

The principal difference between filtered and unfiltered coffee is the flavor.  Unfiltered coffee has some consequences like filtered coffee especially for health. In this case there is not good news for people who drink unfiltered coffee. 

Unfiltered coffee contains substances which increase blood cholesterol, explains study author Dag Thelle, a senior professor in the public health and community medicine of the university of Gothenburg, Sweden. Coffee filters help to remove some coffee oils and prevent heart attacks and premature deaths less likely. Unfiltered coffee contains higher amounts of cafestol and kahweol chemicals found in oil droplets floating in the coffee and also in the sediment, Lisa Drayer, RD, told CNN. These kinds of substances can raise triglycerides, blood levels and cholesterol. 

There are different options to drink coffee healthier and one of them is using coffee filters to prevent or further develop some diseases. Remember, there are a lot of coffee filters according to your taste and different materials if you want to save money or have something more ecological.

Do coffee filters go bad?

When coffee begins to have a different flavor, aroma or depth, it may be due to the coffee filters. Paper coffee filters are especially indicative of a change in coffee flavor because the paper of the filter may be damaged.  

Every coffee filter has an expiration date which causes it not to be not as efficient or effective, the filter may physically look good but at the time of filtering the coffee they are not. In general, paper filters do not typically go bad. It varies according to the care given to it, which causes it to remain efficient when filtering coffee. 

Coffee filters can generate mold if left in humidity environments, they also can absorb aromas from other spices and it causes a different taste in coffee. On the other hand, it can be perforated causing the coffee not to filter, just pass water and coffee. Ideally, keep them in appropriate coffee filters containers. 

Filter coffee or instant?

Coffee is one of the most consumed beverages around the world. Instant coffee is a pre-ground coffee that has been turned into a kind of a coffee solution which undergoes a whole drying process (dehydrate state). In this process the coffee beans lose their water becoming granulated instant coffee. This kind of coffee is made of cheap quality coffee beans also its cost competes with the instant-ness and flavour, majorly.  To prepare instant coffee all we need is some boiled water, the main advantage of this coffee is the ease of preparation.  

Filter coffee is prepared with either fresh or roast coffee beans that are ground first and then used. Filter coffee feels light on the tongue and fresher than instant coffee because coffee beans are of high quality and have most of the essential oils intacs, leaving a subtle and fuller taste on your tongue. To prepare filter coffee takes some time because you need a special machine to ground coffee beans, time to clean it and price and quality is higher. 

The comparison is based on the lifestyle of each one. If you have the time to grind coffee beans, the money to buy roast fresh coffee and the proper machine to do it, enjoy this kind of coffee. If you have a fast-paced life instant coffee is the option for you because its preparation is fast and you do not need too much food to cook, just water, and it is a cheap option. On the other hand it depends on the taste you like. 

What kind of coffee filter there are? 

A filter of coffee can be made of paper, metal it can even be made of cloth, and it helps to prepare the coffee, soften it and make it fresh. There are different factors to consider where you are choosing a coffee filter.


  • Paper filters: These are one of the most commonly available filters. They are used in drip coffee makers, they are absorbent, tightly woven, vary in thickness and remove excess oil and grounds for cleaner liquid. 


  • Metal coffee filter: it is made from a finely woven wire mesh. It has larger pores, so it does not block as much natural oils or small grounds of coffee. Some people consider that this kind of filter gives you a much richer taste. It lasts much longer than a paper filter.


  • Cloth coffee filters: It is usually made from a natural fabric like cotton or muslin. It also does a great job of capturing all the coffee grounds. It contributes with coffee flavor. They are reusable for several months.


  • Nylon filters: They are made from a fine nylon mesh. This kind of filter works similar to metal coffee filters. It is cheaper than a metal filter, but it is less durable. 


Differences between bleached coffee filter and unbleached coffee filter 

There are different opinions about using bleached and unbleached coffee filters because some people think these filters affect coffee flavor by the way they are made. 

Bleached paper: The natural, unprocessed color of paper is brown. This filter has undergone a bleaching process to appear white. There are two products that are needed for the bleaching process: Chlorine and Oxygen. The first process is to use a small amount of chlorine to remove the brown color of the wood pulp, it is not considered as high quality as filters that are bleached using oxygen. The second process requires less manufacturing, and it is less damaging for the environment. To identify manufacturing processes consult the packaging where there is a label “TFC” that ensures bleaching without chloro.  

Unbleached paper: It has a natural brown color, and has not undergone the bleaching process. It is much more environmentally friendly. This kind of filter has a little problem and it may leave a little papery taste in the coffee but there are some steps to avoid it. 

  • Place your filter in your coffee maker. 
  • Pour a little water (hot water) into it to wet the entire filter.
  • Discard the water you used to wet the filter and brew your coffee.

This will help you to prepare your coffee and not affect the taste. 


  • Many people think using blanched or unbleached coffee filters will alter how your coffee tastes but this is not the real reason because no matter what kind of coffee filter you choose the coffee taste does not change, the fabric process does not alter anything. 
  • Something which can affect your coffee is the quality. When you buy a bleached or unbleached coffee filter, you need to consider the size, thickness not only the price because when you choose a thin filter it will not work well. 
  • There are actually very few differences between bleached and unbleached coffee filters. The great difference with these filters is the bleached filter has a long process and it has an environmental impact. In the case of taste both work equal you just need to find out the best filter for your coffee marker. 


Can you reuse coffee filter?

The idea is not reuse coffee filters because it is clearly disposable nevertheless there are different opinions about if you can reuse or not coffee filters because this is a matter of hygiene, environmental and economic care. Some people say paper coffee filters specially can be reusable 4 or 5 times, having a suitable process of washing before discarding them. The worst part of reuse of this kind of filter is the oils from coffee grounds can still be caught up in the fibers and it damages the quality of paper making it impossible to recycle. 

On the other hand, if your goal is to help with the environment there are in the market more coffee filter options which are made of another really reusable material like metal mesh. It, like the paper filter, needs a proper cleaning so as not to affect the taste of the coffee because  the essential coffee oils can block it. Just make sure it is compatible with the coffee maker.  

There are some advantages about using paper coffee filters or reusable coffee filters. 

  • Metal filters can save money in the long run, but these are a little hard to clean. 
  • Paper filters cost more over time, but this one practically does not get dirty. 
  • Metal filters produce a sturdier cup of coffee and visually darker, it has more oils and sometimes, small mounds of sediment. 
  • Paper filters produce a brighter cup of coffee and sweet with little or no sediment or oil. 

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