(as of Sep 26,2021 01:19:33 UTC – Details)
Espresso”tiger striping”is a good sign
Avoid making bad coffee
Bad sign:multiple streams develop or the stream collects to one side.
Caused by a grind that is inconsistent or the wrong size, under- or overdosing the coffee, or an uneven tamp.
How to solved ?
You can then focus on methods that produce more evenness, be it through adjusting distribution, grind, or tamping.
How to tell if coffee is good or bad?
To make good coffee, in addition to good coffee accessories to assist, you also need good coffee making skills. Here are some tips how to tell if coffee is good or bad?
1. When extracting coffee,espresso”tiger striping”is a good sign
2. The espresso should collect along the bottom of the basket into the centre, and then flow down in a compact column.
3. The texture should be viscous and silky, and you shouldn’t see espresso trying to escape from other areas of the basket or displaying major variations of colour in one spot.
☑58mm Bottomless Portafilter Naked Portafilter – Fits 58mm Expobar,Rocket,Rancilio Espresso Machines with 1 Cup filter Basket, Dual Function Spoon Included (Tip: not suitable for non 58mm coffee machine, please measure before purchase)
☑58mm Naked/Bottomless Portafilter-58mm portafilter head was designed to work with Expobar, Rocket, Rancilio, Faema, Wega Espresso Machines
☑Extraction Improvement- Use a 58mm bottomless portafilter to really see what’s happening under the hood, you can identify and correct extraction problems, whether your grind is wrong or you are tamping incorrectly the bottomless portafilter will let you know. A great tool for beginners and experts.
☑Ergonomic Design- Portafilter handle is made of 100% natural sandalwood, solid surface and ergonomic design to ensure perfect grip and easy manual control; Portafilter head is cast in food grade stainless steel and high polished by manual, precise size ensures portafilter engaged in the group firmly.
☑Removable & Easy to Clean-The detachable design is convenient and quick to disassemble, easy to use, and easy to clean without dead corners.