this post was submitted on 04 Jul 2024
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Coffee
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The effect on extraction by the slight pressurization (and ability to change the pressure by how hard you press) and speed of use would be two advantages over pour over.
It doesn't require hand dexterity or, really, hand strength. Arguably a proper, well-made pour-over with a goose neck kettle takes more hand dexterity than an Aeropress. Basically you put the hot water in, wait, and then press the plunger. Body weight or mild strength is all it takes. I usually just put my hands on top and then lean with my body; that functionally makes it require no hand strength at all.
They're very affordable, so perhaps worth trying. Unless you are concerned about microplastics. The entire thing is plastic.
Edit: they have a newer, more expensive version made of Tritan crystal. I know nothing about the composition of Tritan crystal and whether there is anything that can leech or whatever from it, but I would assume it gets rid of the microplastic concern. Though I'm not sure what the "rubber" stopper is made from.
Triton is a trade named plastic. All the microplastic concerns would still be there, but because it's based frre, food safe, and can be made clear, it allows "funner" colored food safe plastics to be used.
Ah, thanks for the info.
Honestly I'd rather use plastic than have to press my hand down on heated glass. It's bound to explode one day and send glass down your wrist.
Yes, that's a fair point. Though, there are other materials that might be explored (types of metal perhaps?) for those that would prefer a non-plastic version.
The reason some might be concerned is that when "food-grade" plastics, like the polypropylene used by aeropress, are used and "exposed to hot water, they release trillions of nanoparticles per liter into the water."
The slight pressurization and the friction of the rubber plunger likely amplifies that result.
The press doesn't matter, material wise. Rubber plunger is closest thing to contact the coffee, and it usually doesn't. The other tube could be made of stainless steel, along with the honeycomb filter holder on bottom.
If that were a taste issue for some reason, it would way up the manufacturing price, but you can put a glass tube encased in stainless steel or plastic. It's been done with thermos' and water bottles.