The Pour Oven method of making coffee

This is becoming more and more popular thanks to the spread of the 3rd wave of coffee. With a somewhat more meticulous brewing method, enjoying Pour Oven coffee is really different when compared to coffee. compared with traditional brewing methods.

If you search, it will not be difficult for you to see that V60 is the most popular Pour funnel today. Besides, there are also many other names such as Kalita Wave, Origami or Chemex. They have different textures and distinct characteristics to aim for different coffee flavors when pouring. But don’t talk about this, because just looking at the V60, you see there are many different types of materials.

We have glass funnels, porcelain funnels, metal V60 funnels such as copper, stainless steel and even funnels made of materials like plastic or silicone.

The fact that manufacturers offer so many materials can’t help but make us wonder. So what is the difference between these materials and how will it affect the way you brew and taste your coffee?

And most importantly, let’s find out and see which is the most suitable Pour Oven coffee funnel for you.

WHAT FACTORS WILL BE AFFECTED BY THE MATERIAL OF THE INSTRUMENT while making Pour Oven Coffee?
There are 2 most important factors affected by the material of the tool in the Pour Oven coffee making process, namely Temperature and Time.

For Pour Oven, coffee will be extracted by the “osmosis” method. That is, the water will gradually soak into the coffee powder, then take out the soluble substances deep inside the coffee molecules. These are flavoring substances such as sugars, acids, fats, and other compounds. And to dissolve these substances, of course we need water, at a certain temperature, and for a specific amount of time.

These are two factors that always go hand in hand and together play a decisive role in the extraction process. The control of temperature and time during the extraction process are the first things you need to pay great attention to when making Pour Oven coffee.

The higher the phase temperature, the more water will dissolve. When the water used to pour is at too high a temperature, you will initially find the coffee to be more fragrant. That’s because hot water evaporates very strongly, and when it does, it carries scent molecules with it. But then, when too many scents are lost, your coffee will lack the variety it needs to be appealing. On the contrary, when the water cools down too quickly, your coffee cup will be weak in both flavor and taste, especially sweetness.

Similar to extraction time, sometimes we don’t give the water enough time to extract the delicious flavor compounds of coffee, but sometimes we leave the coffee powder in the water for too long, causing unwanted substances. dissolved and removed by the water stream.

SO HOW DOES THE MATERIAL OF THE COD affect the TEMPERATURE AND EXTRACTION TIME?
There is a concept that can cover both of these factors, that is: Heat capacity. You can roughly understand this as an index of the material’s heat absorption. Different materials have different ability to absorb, store and transfer heat.

Plastic and silicone have very good insulation properties, so it has little effect on the water temperature inside the coffee hopper during the brewing process.

Metals absorb heat very quickly and it radiates heat to the environment just as quickly. Glass ceramics absorb heat more slowly and release heat more slowly to the environment. And if you pay attention you will notice, when exposed to hot water, metal heats up very quickly while ceramics take longer to become really hot.

CONTROL TEMPERATURE AND EXTRACTION TIME WHEN Brewing Pour Oven Coffee
Controlling temperature and time means you’ve mastered the extraction process.

Plastic and Silicone interact poorly with temperatures, so during extraction with a funnel made of this material, your brew water temperature will remain fairly constant.

What about ceramic tools? You’ll have a little extra time to grind your coffee while you wait for the ceramic funnel to absorb enough heat. And when the ceramic funnel has absorbed enough heat, it also keeps your water hot for longer.

When you have a metal funnel on hand, you will need to brew quickly after heating the funnel. Otherwise, the metal will quickly radiate heat to the environment and return to absorb the heat from the coffee water.

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