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Re-usable coffee pods

Dolce Gusto, Nespresso, Lavazza, and others.

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Re-usable coffee pods

Postby CaffACTIVATE » Fri Jun 09, 2017 11:44 pm

Hi All

For those of you with experience and knowledge about re-usable pods, I have some a question.

I've bought a relatively cheap re-usable pod for a dolce gusto coffee machine. Is works okay but I don't think it's properly designed because it doesn't seem to be pressurized. There's no top filter and although there's a rubber ring on the top lid, it isn't a pressure seal. This is it here ..

Image

I used it this morning and the coffee that came out was quite good, but since it isn't pressurized I fear it could strain the coffee machine itself and damage it so I need to find a better pod. Not to mention the coffee isn't optimal. I've found a couple more options which I've bought off ebay (slight money saving) to try out, one is the emocup which is a plastic type and the other is the sealcup which is a nice looking stainless steel capsule. Both look better designed and from what I have read, seem to be designed to use the water pressure as intended.

Does anyone know much about re-usable pods and can tell me if their designs are properly suited for these machines?
CaffACTIVATE
 
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Re: Re-usable coffee pods

Postby bogiesan » Sat Jun 10, 2017 12:03 am

You will need to explain your use of the term "pressurized". The Gusto caps are sealed and may benefit from some pressuriziation but reusable caps cannot be properly sealed under pressure unless you've got some special equipment. You need to compare the grind size and mass of the dose from a real capsule and what your grinder is putting out. Problems with extraction for hobbyists are usually based on improper grinding, improper dosing, improper tamping, and stale coffee.

Disclosure: I've never used the Dulce Gusto system but coffee caps is coffee caps.
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Re: Re-usable coffee pods

Postby CaffACTIVATE » Sat Jun 10, 2017 1:30 pm

I don't completely understand the purpose of pressure when it comes to the coffee making process, generally speaking. The capsule coffee machines, like proper espresso machines, have pressurized water at least internally. I assumed that the pressure is transferred into the coffee pod itself because the pressurized water going into in the coffee grinds is what gets the best flavour out of them. correct?

The capsules are manufactured as a sealed unit. When you use the capsule in a machine the top is punctured then the water is injected through a needle into the pod. The pressure builds up to the point where the bottom of the bottom of the capsule releases as it is designed to do. So I thought the pressure in the pod is important.

By the dose I'm guessing you mean the amount of water? That is variable on the coffee capsule machines. On the dolce gusto machines there are a small number of dose presets which you match up with the dose printed on the capsule. I've adjusted the dose before to experiment and it doesn't effect the flavour too badly, if you put too much water through a capsule then coffee ends up tasting a bit weak and watery. That's not my main concern though, I want to get re-usable capsules that replicate the same properties as the single use ones.
CaffACTIVATE
 
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Joined: Fri Jun 09, 2017 11:23 pm

Re: Re-usable coffee pods

Postby bogiesan » Sat Jun 10, 2017 11:11 pm

The pressure is usually created in and contained by the brewing chamber. You can research espresso brewing systems easily enough. The variables you control are the freshness of your coffee, the fineness of the grind, the dose--how much coffee, the tamp--how hard you pack the dose. After that, the machine is in control. We don't get much Gusto,traffic around here so your only hope could be the user reviews. However, because we don't get much Gusto traffic, maybe you'll consider telling us more about your adventure.
bogiesan
 
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