Urnex Dezcal™ Activated Descaler Powder – 4 Single-Use 1 oz Packs

Fast, Effective Descaling for Espresso Machines, Home Brewers, Kettles & Pod Machines

Mineral scale is one of the most common and most overlooked  threats to coffee equipment performance. As hard water passes through boilers and heating elements, it leaves behind limescale deposits that restrict water flow, lower brew temperatures, and gradually degrade the taste of your coffee. Urnex Dezcal Activated Descaler Powder dissolves those deposits fast, restoring your machine to peak performance with a non-toxic, biodegradable, odorless, and phosphate-free formula. Each box contains 4 single-use 1 oz packets — perfectly portioned for hassle-free descaling at home or in low-volume café setting

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Features:

• Activated Descaling Formula — Specifically formulated to break down and remove limescale and mineral deposits from boilers, heating elements, hot water tanks, faucets, and spray heads
• Compatible with a Wide Range of Equipment — Safe for use on home brewers, traditional and automatic espresso machines, kettles, pod machines, and capsule machines
• Non-Toxic, Biodegradable & Phosphate-Free — A safer, more environmentally responsible alternative to vinegar and harsh chemical descalers
• Odorless Formula — Unlike vinegar, Dezcal is completely odorless and rinses away cleanly without leaving an aftertaste that can affect your coffee's flavor
• NSF Certified for Metal Compatibility — Tested and certified safe for use with metal machine components including boilers and heating elements
• Single-Use Packets for Easy Dosing — Each of the 4 packets contains exactly 1 oz (28g) — the precise amount needed for one full descaling cycle — no measuring required
• Restores Machine Performance — Regular descaling with Dezcal helps maintain consistent brew temperature, water flow, and extraction quality
• Made in the USA — Backed by Urnex's 80+ years of coffee equipment cleaning expertise

• Safety Data

  Instructions

  Ingredients 

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How to Use:

1. Dissolve — Mix 1 oz (28g) — one full packet — with 32 oz (1 liter) of hot water until fully dissolved.
2. Fill — Pour the dissolved solution into the water tank of your machine.
3. Run — Turn the machine on and begin the brew or descaling cycle as directed by your machine manufacturer.
4. Rinse — Rinse all parts thoroughly and repeat the rinse cycle twice with clean water to ensure no descaler residue remains.

For machines with a dedicated descaling mode, follow the manufacturer's instructions for cycle length and water volume.

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Specifications:

• Form: Powder
• Pack Count: 4 single-use packets
• Packet Size: 1 oz (28g) each
• Dilution Ratio: 1 oz (28g) per 32 oz (1 liter) of hot water
• Certifications: NSF Certified for metal compatibility
• Formula: Non-toxic, biodegradable, odorless, phosphate-free
• Compatible Equipment: Home brewers, traditional espresso machines, automatic espresso machines, kettles, pod machines, capsule machines
• Also Descales: Hot water tanks, boilers, faucets, spray heads, milk systems
• Origin: Made in USA

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FAQ:

How often should I descale my espresso machine or coffee brewer? Descaling frequency depends on your local water hardness and how often you use your machine. As a general guideline, descaling every one to three months is recommended for home use. Machines in areas with harder water may require more frequent descaling.

Why use Dezcal instead of vinegar to descale? Vinegar can be difficult to rinse out completely and often leaves behind an unpleasant odor and aftertaste that affects your coffee. Dezcal is odorless, rinses cleanly, and is specifically formulated to dissolve limescale more effectively than vinegar without damaging your machine's internal components.

Is Dezcal safe for my machine's metal parts? Yes. Dezcal is NSF certified for metal compatibility, meaning it has been tested and confirmed safe for use with the boilers, heating elements, and other metal components found in espresso machines and coffee brewers.

How do I know if my machine needs descaling? Common signs include slower brew times, inconsistent brew temperatures, reduced steam pressure, unusual noises from the boiler, or a noticeable drop in coffee quality. If you notice any of these, it's time to descale.

Can I use Dezcal in a pod or capsule machine? Yes. Dezcal is compatible with pod and capsule machines including Keurig-style brewers. Always follow your machine manufacturer's descaling instructions for the correct water volume and cycle steps.

Is the formula safe for the environment? Yes. Dezcal is formulated from biodegradable, phosphate-free ingredients, making it a more environmentally responsible choice compared to many conventional descaling products.