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10 Best Descalers for 2026

Brewing the perfect coffee means choosing the right descaler from our top 10 picks, but one crucial factor could change everything.

Kitchen Products · Buyer's Guide

10 Best Descalers for 2026

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You probably don’t realize that mineral buildup can reduce your coffee machine’s heating efficiency by up to 30%, affecting both taste and energy costs. Whether you’re using a Keurig, Nespresso, or commercial espresso machine, descaling isn’t just about maintenance—it’s about protecting your investment and ensuring every cup tastes as intended. With concentrated solutions, tablets, and multipurpose formulas now available, choosing the right descaler for your specific needs requires understanding what sets each option apart.

Before You Buy

The top-rated descaler is a 2-pack with 8-ounce bottles, offering 4 total uses and 4.4 stars from 82,000 reviews.

Tablet options like the 24-count universal pack work across all major brands including Nespresso, Keurig, Ninja, and Breville.

Budget-friendly Essential Values descaler provides 4 treatments per 2-pack using concentrated citric acid formula for multiple machine types.

Multipurpose descalers like Durgol Universal tackle limescale on coffee makers, kettles, and faucets with Swiss-engineered ready-to-use formula.

Commercial-grade J.C. Whitlam FLOW32 offers NSF/ANSI 60 certification and quickly dissolves water scale, lime, and rust.

Our Selection

Our Top Descaler Picks

Best Overall
Descaler 2-Pack for Coffee & Espresso Machines

Descaler 2-Pack for Coffee & Espresso Machines

✓Number of Uses · 4 uses (2 uses per bottle, 2 bottles)
✓Form Factor · Liquid solution
✓Container Size · 8 oz per bottle (2-pack)
Best Value
ACTIVE Coffee Machine Descaler Solution (8 Uses)

ACTIVE Coffee Machine Descaler Solution (8 Uses)

✓Number of Uses · 8 uses
✓Form Factor · Liquid solution
✓Container Size · 32 oz bottle
Eco-Friendly Pick
De’Longhi EcoDecalk Descaler for Coffee Machines (5 uses)

De’Longhi EcoDecalk Descaler for Coffee Machines (5 uses)

✓Number of Uses · 5 uses
✓Form Factor · Liquid solution
✓Container Size · 16.90 oz bottle
Most Convenient
Coffee Machine Descaler Tablets (24 Count)

Coffee Machine Descaler Tablets (24 Count)

✓Number of Uses · 24 uses
✓Form Factor · Tablets
✓Container Size · 24-count tablets
Brand Recommended
Keurig Descaling Solution for Coffee Machines (2 Uses)

Keurig Descaling Solution for Coffee Machines (2 Uses)

✓Number of Uses · 2 uses
✓Form Factor · Liquid solution
✓Container Size · Not specified
Budget-Friendly Pick
Essential Values Descaling Solution for Coffee Machines

Essential Values Descaling Solution for Coffee Machines

✓Number of Uses · 4 uses (2 uses per bottle, 2 bottles)
✓Form Factor · Liquid solution
✓Container Size · 8 oz per bottle (2-pack)
Professional Grade
Descaling Powder for Coffee Machines and Kettles

Descaling Powder for Coffee Machines and Kettles

✓Number of Uses · 4 uses
✓Form Factor · Powder packets
✓Container Size · 4 portion packets
Premium Choice
Durgol Universal Multipurpose Descaler for Kitchen (25.4oz)

Durgol Universal Multipurpose Descaler for Kitchen (25.4oz)

✓Number of Uses · Not specified by uses
✓Form Factor · Liquid solution
✓Container Size · 25.4 oz bottle
Bulk Buy
Essential Values Distiller Cleaner Descaler (2 LBS)

Essential Values Distiller Cleaner Descaler (2 LBS)

✓Number of Uses · 20 uses
✓Form Factor · Powder (citric acid)
✓Container Size · 2 lbs container
Industrial Strength
J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) White

J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) White

✓Number of Uses · Not specified by uses
✓Form Factor · Liquid solution
✓Container Size · 32 oz (1 quart)
At a Glance

Compare the Picks

Product
Number of Uses
Form Factor
Container Size
Descaler 2-Pack for Coffee & Espresso Machines
Descaler 2-Pack for Coffee & Espresso Machines
Best Overall
4 uses (2 uses per bottle, 2 bottles)
Liquid solution
8 oz per bottle (2-pack)
ACTIVE Coffee Machine Descaler Solution (8 Uses)
ACTIVE Coffee Machine Descaler Solution (8 Uses)
Best Value
8 uses
Liquid solution
32 oz bottle
De’Longhi EcoDecalk Descaler for Coffee Machines (5 uses)
De’Longhi EcoDecalk Descaler for Coffee Machines (5 uses)
Eco-Friendly Pick
5 uses
Liquid solution
16.90 oz bottle
Coffee Machine Descaler Tablets (24 Count)
Coffee Machine Descaler Tablets (24 Count)
Most Convenient
24 uses
Tablets
24-count tablets
Keurig Descaling Solution for Coffee Machines (2 Uses)
Keurig Descaling Solution for Coffee Machines (2 Uses)
Brand Recommended
2 uses
Liquid solution
Not specified
Essential Values Descaling Solution for Coffee Machines
Essential Values Descaling Solution for Coffee Machines
Budget-Friendly Pick
4 uses (2 uses per bottle, 2 bottles)
Liquid solution
8 oz per bottle (2-pack)
Descaling Powder for Coffee Machines and Kettles
Descaling Powder for Coffee Machines and Kettles
Professional Grade
4 uses
Powder packets
4 portion packets
Durgol Universal Multipurpose Descaler for Kitchen (25.4oz)
Durgol Universal Multipurpose Descaler for Kitchen (25.4oz)
Premium Choice
Not specified by uses
Liquid solution
25.4 oz bottle
Essential Values Distiller Cleaner Descaler (2 LBS)
Essential Values Distiller Cleaner Descaler (2 LBS)
Bulk Buy
20 uses
Powder (citric acid)
2 lbs container
J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) White
J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) White
Industrial Strength
Not specified by uses
Liquid solution
32 oz (1 quart)

Swipe to see all specs · full write-ups below

The Full Story

More Details on Our Top Picks

01 / 10

Descaler 2-Pack for Coffee & Espresso Machines

Descaler 2-Pack for Coffee & Espresso Machines
Our Verdict
Best Overall
View Latest Price

If you’re looking to keep up with your coffee machine’s maintenance without breaking the bank, this 2-pack descaler delivers exceptional value. Each 8-ounce bottle provides two uses, covering you for an entire year when following the recommended 3-4 month cleaning schedule. This Made in USA solution effectively removes residue and oil buildup while preserving your machine’s lifespan and enhancing your coffee’s taste.

It’s compatible with virtually every coffee maker, including Keurig, Nespresso, Delonghi, and commercial machines. With 4.4 stars from nearly 82,000 reviews and ranking #2 in its category, it’s proven its reliability among coffee enthusiasts.

Number of Uses
4 uses (2 uses per bottle, 2 bottles)
Form Factor
Liquid solution
Container Size
8 oz per bottle (2-pack)
Active Ingredient
Not specified
Brand Compatibility
Keurig, Nespresso, Delonghi, all single-use machines
Eco-Friendly/Safety
Made in USA
Additional Feature
Made in USA
Additional Feature
#2 category ranking
Additional Feature
81,976 customer reviews
02 / 10

ACTIVE Coffee Machine Descaler Solution (8 Uses)

ACTIVE Coffee Machine Descaler Solution (8 Uses)
Our Verdict
Best Value
View Latest Price

Whether you’re maintaining a single-serve Keurig or a high-end super-automatic espresso machine, ACTIVE Coffee Machine Descaler Solution delivers universal compatibility in a value-packed 32-ounce bottle. This USA-made formula uses natural citric acid to eliminate calcium buildup and restore your coffee’s ideal taste. You’ll get eight complete descaling cycles from one bottle, making it exceptionally economical.

The straightforward process requires just 4 ounces of solution mixed with water, followed by two brew cycles and a clean water rinse. It works seamlessly across all major brands, including Nespresso, Breville, Delonghi, Jura, and Ninja machines, whether they’re pod-based or multi-cup drip systems.

Number of Uses
8 uses
Form Factor
Liquid solution
Container Size
32 oz bottle
Active Ingredient
Citric acid
Brand Compatibility
Keurig, Nespresso, Breville, Delonghi, Jura, Ninja, and others
Eco-Friendly/Safety
Natural formula, made in USA
Additional Feature
Value-size 32oz bottle
Additional Feature
Original citric acid formula
Additional Feature
Simple ingredient composition
03 / 10

De’Longhi EcoDecalk Descaler for Coffee Machines (5 uses)

De’Longhi EcoDecalk Descaler for Coffee Machines (5 uses)
Our Verdict
Eco-Friendly Pick
View Latest Price

The De’Longhi EcoDecalk stands out as the top choice for environmentally conscious coffee lovers who refuse to compromise on descaling power. This plant-based lactic acid formula delivers professional-grade results while remaining completely biodegradable. You’ll get five uses per bottle, with each 100ml dose effectively removing scale buildup that threatens your machine’s performance and your coffee’s taste.

What makes this descaler particularly valuable is De’Longhi’s expertise as a world-leader in espresso machines. They’ve engineered this solution to maintain consistent brew temperatures and prevent premature breakdowns. While designed for De’Longhi machines, it’s universally compatible with Breville, Ninja, and Philips brands.

Number of Uses
5 uses
Form Factor
Liquid solution
Container Size
16.90 oz bottle
Active Ingredient
Plant-based lactic acid
Brand Compatibility
Universal (Breville, Ninja, Philips)
Eco-Friendly/Safety
Biodegradable, eco-friendly, plant-based
Additional Feature
Plant-based lactic acid
Additional Feature
World-leader manufactured product
Additional Feature
Maintains consistent brew temperature
04 / 10

Coffee Machine Descaler Tablets (24 Count)

Coffee Machine Descaler Tablets (24 Count)
Our Verdict
Most Convenient
View Latest Price

Universal compatibility makes these descaler tablets the best choice for households with multiple coffee makers or anyone who values flexibility. They work seamlessly with Nespresso, Keurig, Ninja, Delonghi, Breville, and countless other brands, handling both single-serve pod machines and traditional drip brewers. Each tablet effectively removes hard water buildup, calcium deposits, limescale, and oil residue that compromise your coffee’s flavor and machine performance.

With 24 tablets providing a year’s supply or more, these offer convenient, long-term maintenance that’s superior to messy powders or limited-use packets. You’ll maintain ideal temperature stability and brew clarity while extending your equipment’s lifespan.

Number of Uses
24 uses
Form Factor
Tablets
Container Size
24-count tablets
Active Ingredient
Not specified
Brand Compatibility
Nespresso, Keurig, Ninja, Delonghi, Miele, and others
Eco-Friendly/Safety
Not specified
Additional Feature
Year’s supply included
Additional Feature
Tablet form factor
Additional Feature
Maintains temperature stability
05 / 10

Keurig Descaling Solution for Coffee Machines (2 Uses)

Keurig Descaling Solution for Coffee Machines (2 Uses)
Our Verdict
Brand Recommended
View Latest Price

If you’re seeking a versatile descaling solution that works across multiple coffee maker brands, Keurig’s Descaling Solution stands out as an excellent universal option. It effectively removes mineral buildup from Keurig, Breville, Nespresso, Mr. Coffee, Delonghi, Ninja, Nescafe, Cuisinart, Braun, and other brewers. You’ll extend your machine’s lifespan by preventing scale accumulation while improving your coffee’s flavor.

Each bottle provides two uses, making it cost-effective for regular maintenance. You should descale every three months for ideal performance. The solution tackles scale that negatively impacts taste, ensuring you’re always brewing the best-tasting coffee possible from your machine.

Number of Uses
2 uses
Form Factor
Liquid solution
Container Size
Not specified
Active Ingredient
Not specified
Brand Compatibility
Keurig, Breville, Nespresso, Mr. Coffee, Delonghi, Ninja, and others
Eco-Friendly/Safety
Environmentally friendly, safe
Additional Feature
Descale every 3 months
Additional Feature
Prevents scale buildup
Additional Feature
Enhances coffee flavor
06 / 10

Essential Values Descaling Solution for Coffee Machines

Essential Values Descaling Solution for Coffee Machines
Our Verdict
Budget-Friendly Pick
View Latest Price

Budget-conscious coffee enthusiasts will appreciate Essential Values Descaling Solution, which delivers four complete descaling treatments at a fraction of competitors’ prices. This concentrated citric acid formula deeply penetrates mineral, limescale, and oil deposits that accumulate inside your machine, restoring ideal performance without harsh chemicals.

The two-pack includes 8-ounce bottles compatible with Keurig, Nespresso, Cuisinart, Ninja, Breville, and Bunn machines. It’s odorless, environmentally friendly, and recommended for use every 2-3 months, proving you don’t need expensive brand-name descalers for professional-quality results.

Number of Uses
4 uses (2 uses per bottle, 2 bottles)
Form Factor
Liquid solution
Container Size
8 oz per bottle (2-pack)
Active Ingredient
Citric acid
Brand Compatibility
Keurig, Nespresso, Cuisinart, Ninja, Breville, Bunn
Eco-Friendly/Safety
Odorless, safe, environmentally friendly
Additional Feature
Concentrated citric acid
Additional Feature
Odorless formula
Additional Feature
Cost-effective 2-pack
07 / 10

Descaling Powder for Coffee Machines and Kettles

Descaling Powder for Coffee Machines and Kettles
Our Verdict
Professional Grade
View Latest Price

Dezcal’s activated descaling powder delivers professional-grade cleaning in convenient single-use packets, making it the top choice for coffee enthusiasts who want to protect their equipment investment without measuring or mixing. Each carton contains four pre-portioned packets that work faster and more effectively than vinegar, removing stubborn limescale buildup that clogs machines and reduces brew temperatures.

You’ll extend your equipment’s lifespan while improving beverage quality across all machine types, from espresso makers to electric kettles. The NSF-certified formula guarantees metal compatibility, and you’ll typically need to descale quarterly, though harder water may require more frequent treatments. With 9,397 customer reviews averaging 4.6 stars, it’s proven performance you can trust.

Number of Uses
4 uses
Form Factor
Powder packets
Container Size
4 portion packets
Active Ingredient
Not specified (activated descaler)
Brand Compatibility
Universal (coffee brewers, espresso machines, kettles)
Eco-Friendly/Safety
NSF certified for metal compatibility
Additional Feature
NSF certified product
Additional Feature
Faster than vinegar
Additional Feature
4 portion packets
08 / 10

Durgol Universal Multipurpose Descaler for Kitchen (25.4oz)

Durgol Universal Multipurpose Descaler for Kitchen (25.4oz)
Our Verdict
Premium Choice
View Latest Price

The Swiss-engineered Durgol Universal stands out for households battling persistent limescale across multiple surfaces and appliances. This professional-grade formula uses sulfamic acid to break down stubborn calcium deposits on coffee makers, tea kettles, faucets, shower heads, and ceramic tiles. You’ll appreciate that it’s ready to use straight from the 25.4-ounce bottle—no mixing required.

The solution leaves no residue, odor, or aftertaste after treatment, ensuring your appliances maintain peak performance. It’s particularly effective for homes with hard water, where mineral buildup accumulates quickly. This versatile descaler tackles tough deposits while protecting your appliances and surfaces from damage.

Number of Uses
Not specified by uses
Form Factor
Liquid solution
Container Size
25.4 oz bottle
Active Ingredient
Sulfamic acid
Brand Compatibility
Coffee makers, tea kettles, various appliances
Eco-Friendly/Safety
No residue, odor, or aftertaste
Additional Feature
Swiss manufactured quality
Additional Feature
Sulfamic acid formula
Additional Feature
No preparation necessary
09 / 10

Essential Values Distiller Cleaner Descaler (2 LBS)

Essential Values Distiller Cleaner Descaler (2 LBS)
Our Verdict
Bulk Buy
View Latest Price

Anyone seeking a budget-friendly descaler that’s safe for water distillers and coffee machines will appreciate Essential Values’ citric acid-based formula. This 2-pound container provides approximately 20 uses, effectively removing stubborn limescale and mineral buildup without harsh chemicals. You’ll extend your appliance’s lifespan whether you’re cleaning a Waterwise distiller, Kenmore kettle, or any major brand machine.

The 100% citric acid composition works fast while remaining natural and gentle on your equipment. Since it’s manufactured and tested in the USA, you’re getting consistent quality. This versatile powder penetrates deep to eliminate deposits that reduce your distiller’s efficiency.

Number of Uses
20 uses
Form Factor
Powder (citric acid)
Container Size
2 lbs container
Active Ingredient
100% citric acid
Brand Compatibility
All water distillers (Waterwise, Kleenhome, Kenmore, etc.)
Eco-Friendly/Safety
Natural formula, made in USA
Additional Feature
20 uses per container
Additional Feature
100% pure citric acid
Additional Feature
Water distiller compatible
10 / 10

J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) White

J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) White
Our Verdict
Industrial Strength
View Latest Price

For households and businesses seeking a powerful yet eco-conscious descaling solution, J.C. Whitlam’s FLOW32 Flow-Aide System Descaler delivers exceptional performance. This 32-ounce formula quickly dissolves water scale, lime, rust, and mineral deposits while remaining non-corrosive, non-toxic, and fully biodegradable. You’ll appreciate its zero VOC composition and safe handling properties.

It’s certified to NSF/ANSI 60 for potable water systems and registered for use in beverage, pharmaceutical, bottling, and food processing facilities. Backed by J.C. Whitlam Manufacturing’s century-long expertise since 1900, this descaler restores efficiency to most appliances while protecting both your equipment and the environment.

Number of Uses
Not specified by uses
Form Factor
Liquid solution
Container Size
32 oz (1 quart)
Active Ingredient
Not specified
Brand Compatibility
Potable water systems, beverage equipment
Eco-Friendly/Safety
Non-toxic, biodegradable, zero VOC, NSF/ANSI 60 certified
Additional Feature
NSF/ANSI 60 certified
Additional Feature
Zero VOC formula
Additional Feature
Founded 1900 manufacturer
How to Choose

Factors to Consider When Choosing Descalers

machine compatibility liquid powder citric acid

When selecting a descaler, you’ll need to match the product to your specific machine type and guarantee compatibility with your appliance’s materials. Consider whether you prefer the convenience of liquid formulas or the cost-effectiveness of powder concentrates, along with how many descaling cycles each package provides. You should also decide between natural citric acid-based solutions and stronger chemical formulas based on your water hardness and how often you’re willing to perform maintenance.

Your coffee machine’s design dictates which descalers will work effectively and safely with its internal components. Single-serve, pod/capsule, and commercial machines often require specific formulations that match their unique configurations. Check whether your descaler accommodates the materials inside your machine—metal, plastic, or rubber components each respond differently to descaling agents. You’ll need to match the descaler quantity with your water reservoir size to guarantee complete treatment and verify it provides enough solution for the manufacturer’s recommended descaling cycles.

If you’re looking for versatility, universal descalers work across multiple coffee makers and kitchen appliances, offering better value. For coffee equipment, confirm the descaler is rated for potable water systems. This certification guarantees it’s safe for beverage preparation and won’t leave harmful residues.

Beyond compatibility considerations, the physical form of your descaler—liquid or powder—significantly impacts usability and value. Liquid descalers offer superior convenience since you’ll pour them directly into your machine without preparation. They’re faster-acting and easier to measure precisely, ensuring you’re using the correct amount every time. Powder descalers, however, deliver better cost-effectiveness per use and boast longer shelf lives—crucial if you’re descaling infrequently.

Your choice should depend on your priorities. If you’re descaling regularly and value speed, liquid’s your best bet. For occasional users seeking budget-friendly options with extended storage capability, powder’s ideal. Always verify your specific coffee machine or appliance model accepts your chosen form.

Most descaler products deliver between 2 and 8 uses per container, directly affecting how often you’ll need to restock and what you’ll ultimately spend. This matters because manufacturers recommend descaling every 3-6 months, so you’ll want sufficient supply without overpaying. Multi-pack bundles often provide better value than single bottles, with some manufacturers offering year-long supplies that reduce your per-use cost substantially while ensuring you’re never caught without descaler when it’s time for maintenance.

Balance the number of uses against the recommended frequency for your specific appliance. Calculate the actual cost per use rather than just the bottle price. This approach helps you identify products that offer genuine value and match your descaling schedule without unnecessary purchases.

When selecting a descaler, the ingredient composition fundamentally shapes both cleaning performance and what you’re exposing your appliances to. Natural descalers containing citric acid offer gentler treatment for your machines and minimize environmental impact, making them ideal if you’re concerned about chemical residues or aftertastes in your beverages. However, you’ll need to use them more frequently to maintain preferred results. Chemical-based descalers featuring sulfamic acid deliver superior power against stubborn limescale buildup and are particularly effective when dealing with heavy scaling or extended periods without descaling.

Your choice ultimately depends on your machine’s condition and ingredient preferences. For light maintenance, natural options work well, while severe buildup requires chemical descalers despite being harsher on equipment and environment.

Your descaling schedule directly impacts both your appliance’s longevity and your wallet, making it a critical factor in product selection. Most manufacturers recommend descaling every 3-6 months, though your specific needs depend on water hardness and usage patterns. Choose descalers that align with your required maintenance schedule, as regular descaling prevents mineral buildup that compromises brew quality and damages internal components. Skipping recommended intervals isn’t worth the risk—it’ll cost you more in repairs or replacement than consistent maintenance.

Monitor your machine’s performance between descaling sessions. Slower brewing, unusual noises, or taste changes signal it’s time to descale, regardless of your calendar schedule. Always follow your manufacturer’s specific guidelines for ideal results.

Choosing eco-friendly descalers protects both your appliances and the planet without sacrificing cleaning power. These biodegradable products use natural, plant-based ingredients like citric acid or lactic acid as active components, effectively removing mineral buildup while remaining safer for you and the environment. You’ll find these descalers are typically free of harsh chemicals, dyes, and fragrances, making them healthier choices for home use.

Concentrated descalers pack multiple applications into a single bottle and require dilution with water before use, offering superior cost-effectiveness for frequent descaling or maintaining multiple appliances. Ready-to-use solutions eliminate preparation steps—you simply apply them directly—making them perfect for occasional descaling or first-time users who want simplicity.

Your decision should factor in how often you descale, your appliance size, and whether you prioritize convenience over long-term value. Effectiveness varies between formats, so always follow manufacturer instructions regardless of which type you choose.

Beyond the sticker price, calculating your descaler’s cost per application reveals its true value and helps you avoid overspending on products that quickly run out. Larger bottles typically cost more upfront but deliver lower per-use prices than smaller options. Concentrated formulas requiring dilution stretch further than ready-to-use solutions, giving you more applications per bottle and better long-term savings.

To determine the most economical choice, divide the total price by the number of uses you’ll get. A $20 concentrate yielding 40 applications costs just $0.50 per use, while a $15 ready-to-use bottle with 10 applications runs $1.50 each—making the concentrate the smarter investment. Subscription services and value packs often reduce your per-use cost compared to buying single bottles.

Good to Know

Frequently Asked Questions

You should descale your coffee machine every one to three months, depending on your water’s hardness and how frequently you use it. If you notice slower brewing or unusual tastes, it’s time to descale sooner.

Yes, you can use vinegar as a natural descaler. Picture white vinegar dissolving crusty mineral buildup inside your machine’s pipes. However, it’s less effective than commercial solutions and leaves lingering odors that require multiple rinse cycles to eliminate completely.

Mineral buildup will clog your machine’s internal components, reducing water flow and brewing temperature. You’ll notice slower brewing times, weaker coffee, and eventually complete machine failure. Your coffee’s taste will also deteriorate notably over time.

Most descaling solutions aren’t universally safe for all machines. You’ll need to check your manufacturer’s guidelines first, as some materials like aluminum require specific formulas. Always verify compatibility before using any descaler on your coffee maker.

The descaling process typically takes 20-45 minutes, depending on your machine’s model. You’ll need to run the descaling solution through, let it sit briefly, then rinse with fresh water several times to complete the cycle.

Found Your Match?

Whichever pick suits your space best, check the current price above — availability and deals change often.

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