Urnex / Coffee & Espresso Machine Cleaning Products
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Puro Caff - 20 Ounce - Espresso Machine Cleaner Cleaning Powder Back Flush Espresso Machines Clean Airpots, $36.80, Availability unknown. Image 1 of 1.
The details
Pure powder espresso machine detergent, 20oz jar/ 566g. For use on espresso machinespuro-espresso-cleaning-powder-1backflush (each Group head):insert blind filter in porta-filter and add up to 1/2 teaspoon (3 g) of pure powder. Insert porta-filter into Group head.activate brew cycle for 10 seconds. Stop 10 seconds. Repeat 5 times.insert porta-filter into Group head. Repeat step (2) without Puro powder 5 times.soak:soak filters and metal of porta-filter for 30 minutes in 1 teaspoon (6 g) of pure powder per 32 oz. (1 L) of hot water.rinse with clean hot water.for use on coffee brewerspuro-espresso-cleaning-powder-2empty Coffee from equipment. Sprinkle 1/2 teaspoon (3g) of pure powder per 64 oz. (2L) of brewer Capacity directly into brew basket.run a full brew cycle into each vessel and hold for 30 minutes.empty each vessel and rinse all parts with clean hot water.tip: wet cloth with pure powder solution Eliminates residue and buildup in group heads and keeps screens and filters clear for an even brewing extraction; Integral to the daily backflush regimen on traditional espresso machines, and ideal for soaking espresso machines parts and cleaning coffee brews; Available in bulk for us
Product information
From the manufacturer
Pure powder espresso machine detergent, 20oz jar/ 566g. For use on espresso machinespuro-espresso-cleaning-powder-1backflush (each Group head):insert blind filter in porta-filter and add up to 1/2 teaspoon (3 g) of pure powder. Insert porta-filter into Group head.activate brew cycle for 10 seconds. Stop 10 seconds. Repeat 5 times.insert porta-filter into Group head. Repeat step (2) without Puro powder 5 times.soak:soak filters and metal of porta-filter for 30 minutes in 1 teaspoon (6 g) of pure powder per 32 oz. (1 L) of hot water.rinse with clean hot water.for use on coffee brewerspuro-espresso-cleaning-powder-2empty Coffee from equipment. Sprinkle 1/2 teaspoon (3g) of pure powder per 64 oz. (2L) of brewer Capacity directly into brew basket.run a full brew cycle into each vessel and hold for 30 minutes.empty each vessel and rinse all parts with clean hot water.tip: wet cloth with pure powder solution and wipe down spray heads, then wipe clean. caution: solution may be very hot.
Highlights: Eliminates residue and buildup in group heads and keeps screens and filters clear for an even brewing extraction Integral to the daily backflush regimen on traditional espresso machines, and ideal for soaking espresso machines parts and cleaning coffee brews Available in bulk for use on your roasting equipment Puro Espresso Machine Cleaning Powder is also available in tablet form and bulk.
Key details: Product Dimensions: 4 x 4 x 8 inches | Item Weight: 1.25 pounds | Customer Reviews: 4.8 4.8 out of 5 stars (784) 4.8 out of 5 stars | Is Discontinued By Manufacturer: Yes
How it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out.
Customer feedback: 4.8/5 average rating.
Customers say: Customers find this cleaning agent effective at removing coffee and tea stains with virtually no scrubbing required.
Review snippets: I am a regular user this product. It works well to demineralize and clean stains (particularly coffee and tea related) off of mugs and other surfaces. A little goes a long way. Read more / I first came in contact with this product about 20 years ago as a barista. I used it every night to backflush our espresso machine and we put a teaspoon or so in the various aero-pots to keep scale from
From the brand Previous page Since 1936, Urnex products have represented the highest standards of quality, consistency and effectiveness. We pride ourselves on our long history as a manufacturing organization with 100% dedicated focus on coffee and tea cleaning, as well as on the close relationships we have built with our customers around the world. Pro Quality Equipment Cleaning Next page
Customers find this cleaning agent effective at removing coffee and tea stains with virtually no scrubbing required.
Rating: 5
January 12, 2026
Verified purchase
I am a regular user this product. It works well to demineralize and clean stains (particularly coffee and tea related) off of mugs and other surfaces. A little goes a long way. Read more
Rating: 5
June 16, 2025
Verified purchase
I first came in contact with this product about 20 years ago as a barista. I used it every night to backflush our espresso machine and we put a teaspoon or so in the various aero-pots to keep scale from forming in them. As my 'machine' these days is an espresso press, I can clean every part of it by hand and I never really keep coffee in batches... For this reason I haven't seen used it in quite awhile. I do have some steel coffee cups which eventually developed scale and, having failed at removing it with almost every other product, I bought some Purocaff (I've always called it "Purecaff", but that may be a southern thing) to see if i could get the scale off. 30 minutes later and gross coffee water comes out of my 'clean' cups. Really impressive stuff. I knew it was good for maintenance but i had no idea it would remove 10 years of residue so quickly. I mean i tried, boiling them, baking soda scrubs, flushes, vinegar et al... This stuff worked immediately with a bit of boiling water. It used to be cheaper.. I feel as though this one bottle will last me 20 years or so. I would say for espresso machine owners, this is a necessary grocery item.. It's a real handy thing to have around the house if you have a few coffee thermoses or metal cups which are starting to develop residue. Read more
Rating: 5
July 5, 2025
Verified purchase
The gold standard of every barista for soaking and cleaning anything metal that touches coffee or tea but safe on plastic too. Perfect for cleaning that black mold and gross smell building up in your Stanleys, Hydro Flasks, et al. Just sprinkle some in, add boiling water, let it sit for 30 min, and rinse. Read more
Rating: 5
October 1, 2025
Verified purchase
Rare you find a product that works this well, in any context. Nasty stainless coffee mugs are good as new. Read more
Rating: 5
October 12, 2025
Verified purchase
Does this trick. Solid group head and filter screen cleaner for commercial espresso machines. Much better value than the tablet form - just don’t spill it! Read more
Rating: 5
June 10, 2025
Verified purchase
These do a great job on my regular Technivorm coffee maker as well. No mater how you use Puro, dissolve the powder first in another container first. Don't be in a hurry to run it through your machine. Stop at the half-way point; let set overnight if possible. Then restart. That really removes all possible scaling and calcification. Read more
Rating: 4
September 24, 2025
Verified purchase
Se ve bastante bueno, coloco 4 estrellas porque aun no lo he probado pero en cuanto a la primera impresion es bastante igual a cafiza Read more
Rating: 5
July 12, 2025
Verified purchase
It’s a very good product. I use it to soak portafilter, basket, and shower screen of espresso machine. It works great. Read more
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"Product Dimensions": "4 x 4 x 8 inches",
"Item Weight": "1.25 pounds",
"Manufacturer": "Urnex",
"ASIN": "B0016C2NZG",
"Item model number": "18-P20",
"Customer Reviews": "4.8 4.8 out of 5 stars (784) 4.8 out of 5 stars",
"Best Sellers Rank": "#39,873 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #87 in Coffee & Espresso Machine Cleaning Products",
"Is Discontinued By Manufacturer": "Yes",
"Date First Available": "March 21, 2008"
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"title": "5.0 out of 5 stars A little goes a long way and works well",
"body": "I am a regular user this product. It works well to demineralize and clean stains (particularly coffee and tea related) off of mugs and other surfaces. A little goes a long way. Read more",
"author": "Harvey 6f",
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"title": "5.0 out of 5 stars Works fast and works well.",
"body": "I first came in contact with this product about 20 years ago as a barista. I used it every night to backflush our espresso machine and we put a teaspoon or so in the various aero-pots to keep scale from forming in them. As my 'machine' these days is an espresso press, I can clean every part of it by hand and I never really keep coffee in batches... For this reason I haven't seen used it in quite awhile. I do have some steel coffee cups which eventually developed scale and, having failed at removing it with almost every other product, I bought some Purocaff (I've always called it \"Purecaff\", but that may be a southern thing) to see if i could get the scale off. 30 minutes later and gross coffee water comes out of my 'clean' cups. Really impressive stuff. I knew it was good for maintenance but i had no idea it would remove 10 years of residue so quickly. I mean i tried, boiling them, baking soda scrubs, flushes, vinegar et al... This stuff worked immediately with a bit of boiling water. It used to be cheaper.. I feel as though this one bottle will last me 20 years or so. I would say for espresso machine owners, this is a necessary grocery item.. It's a real handy thing to have around the house if you have a few coffee thermoses or metal cups which are starting to develop residue. Read more",
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"title": "5.0 out of 5 stars Get your drink bottles clean as new.",
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"body": "Rare you find a product that works this well, in any context. Nasty stainless coffee mugs are good as new. Read more",
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"body": "Does this trick. Solid group head and filter screen cleaner for commercial espresso machines. Much better value than the tablet form - just don’t spill it! Read more",
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"short_description": "Pure powder espresso machine detergent, 20oz jar/ 566g. For use on espresso machinespuro-espresso-cleaning-powder-1backflush (each Group head):insert blind filter in porta-filter and add up to 1/2 teaspoon (3 g) of pure powder. Insert porta-filter into Group head.activate brew cycle for 10 seconds. Stop 10 seconds. Repeat 5 times.insert porta-filter into Group head. Repeat step (2) without Puro powder 5 times.soak:soak filters and metal of porta-filter for 30 minutes in 1 teaspoon (6 g) of pure powder per 32 oz. (1 L) of hot water.rinse with clean hot water.for use on coffee brewerspuro-espresso-cleaning-powder-2empty Coffee from equipment. Sprinkle 1/2 teaspoon (3g) of pure powder per 64 oz. (2L) of brewer Capacity directly into.",
"about_this_item": "Pure powder espresso machine detergent, 20oz jar/ 566g. For use on espresso machinespuro-espresso-cleaning-powder-1backflush (each Group head):insert blind filter in porta-filter and add up to 1/2 teaspoon (3 g) of pure powder. Insert porta-filter into Group head.activate brew cycle for 10 seconds. Stop 10 seconds. Repeat 5 times.insert porta-filter into Group head. Repeat step (2) without Puro powder 5 times.soak:soak filters and metal of porta-filter for 30 minutes in 1 teaspoon (6 g) of pure powder per 32 oz. (1 L) of hot water.rinse with clean hot water.for use on coffee brewerspuro-espresso-cleaning-powder-2empty Coffee from equipment. Sprinkle 1/2 teaspoon (3g) of pure powder per 64 oz. (2L) of brewer Capacity directly into brew basket.run a full brew cycle into each vessel and hold for 30 minutes.empty each vessel and rinse all parts with clean hot water.tip: wet cloth with pure powder solution Eliminates residue and buildup in group heads and keeps screens and filters clear for an even brewing extraction; Integral to the daily backflush regimen on traditional espresso machines, and ideal for soaking espresso machines parts and cleaning coffee brews; Available in bulk for us",
"long_description": "Pure powder espresso machine detergent, 20oz jar/ 566g. For use on espresso machinespuro-espresso-cleaning-powder-1backflush (each Group head):insert blind filter in porta-filter and add up to 1/2 teaspoon (3 g) of pure powder. Insert porta-filter into Group head.activate brew cycle for 10 seconds. Stop 10 seconds. Repeat 5 times.insert porta-filter into Group head. Repeat step (2) without Puro powder 5 times.soak:soak filters and metal of porta-filter for 30 minutes in 1 teaspoon (6 g) of pure powder per 32 oz. (1 L) of hot water.rinse with clean hot water.for use on coffee brewerspuro-espresso-cleaning-powder-2empty Coffee from equipment. Sprinkle 1/2 teaspoon (3g) of pure powder per 64 oz. (2L) of brewer Capacity directly into brew basket.run a full brew cycle into each vessel and hold for 30 minutes.empty each vessel and rinse all parts with clean hot water.tip: wet cloth with pure powder solution and wipe down spray heads, then wipe clean. caution: solution may be very hot.\n\nHighlights: Eliminates residue and buildup in group heads and keeps screens and filters clear for an even brewing extraction Integral to the daily backflush regimen on traditional espresso machines, and ideal for soaking espresso machines parts and cleaning coffee brews Available in bulk for use on your roasting equipment Puro Espresso Machine Cleaning Powder is also available in tablet form and bulk.\n\nKey details: Product Dimensions: 4 x 4 x 8 inches | Item Weight: 1.25 pounds | Customer Reviews: 4.8 4.8 out of 5 stars (784) 4.8 out of 5 stars | Is Discontinued By Manufacturer: Yes\n\nHow it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out.\n\nCustomer feedback: 4.8/5 average rating.\n\nCustomers say: Customers find this cleaning agent effective at removing coffee and tea stains with virtually no scrubbing required.\n\nReview snippets: I am a regular user this product. It works well to demineralize and clean stains (particularly coffee and tea related) off of mugs and other surfaces. A little goes a long way. Read more / I first came in contact with this product about 20 years ago as a barista. I used it every night to backflush our espresso machine and we put a teaspoon or so in the various aero-pots to keep scale from\n\nFrom the brand Previous page Since 1936, Urnex products have represented the highest standards of quality, consistency and effectiveness. We pride ourselves on our long history as a manufacturing organization with 100% dedicated focus on coffee and tea cleaning, as well as on the close relationships we have built with our customers around the world. Pro Quality Equipment Cleaning Next page",
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},
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"text": "Review snippets: I am a regular user this product. It works well to demineralize and clean stains (particularly coffee and tea related) off of mugs and other surfaces. A little goes a long way. Read more / I first came in contact with this product about 20 years ago as a barista. I used it every night to backflush our espresso machine and we put a teaspoon or so in the various aero-pots to keep scale from"
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