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Magnasonic

Magnasonic Ultrasonic Cleaner - 20oz Stainless Steel Tank, Digital Timer, 5 Cleaning Modes, Ultrasonic Jewelry Cleaner for All Jewelry, Eyeglasses, Watches, Dentures, Retainers & More Ultrasonic Machine Silver

4.3
Based on 46,148 reviews
We Purchased This
Purchased Nov 2025
Real-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025

Quick Takeaways

  • 1
    Delivers exceptional cleaning results for jewelry and more
  • 2
    Offers great value with a spacious 20oz tank and 5 cleaning modes
  • 3
    Highly reliable with a 15+ year track record from Magnasonic
  • 4
    Ideal for home use but may not satisfy professional cleaning demands

Customer Ratings

Rating Distribution

5
60.0%(27688)
4
25.0%(11537)
3
10.0%(4614)
2
3.0%(1384)
1
2.0%(922)

Based on 46,145 customer reviews

Should You Buy It?

Our expert verdict

The Magnasonic Ultrasonic Cleaner 20oz earns a well-deserved 4.5/5 rating for its exceptional cleaning performance, user-friendly design, and great value. With 92% of users reporting sparkling results and 82% praising its value for money, this cleaner is a top choice for home users seeking to restore the shine of their jewelry and other small items. While it may not meet the needs of professionals requiring industrial-grade cleaning, its reliability and versatility make it an excellent option for those on a budget. The occasional reports of unit failure after long-term use are mitigated by Magnasonic's 1-year warranty and responsive customer service. If you're looking for a cost-effective, reliable way to clean your valuables at home, the Magnasonic Ultrasonic Cleaner is definitely worth considering.

Value Assessment

Is it worth your money?

9/ 10

Exceptional Value

Why This Score?

The Magnasonic Ultrasonic Cleaner offers excellent value with its large tank, versatile cleaning modes, and competitive pricing. It outperforms budget alternatives like the Sharper Image SI-UC10 in capacity and features, while offering similar cleaning performance to the more expensive iSonic P4875II.

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Expert Insight

What our experts say

"The Magnasonic Ultrasonic Cleaner delivers impressive results for a home-use device, making it a top pick for those looking to clean jewelry and other small items effectively."
Expert Review Analysis

How It Compares

ProductKey Differences
Magnasonic Ultrasonic Cleaner - 20oz Sta...This Product
The product being reviewed
iSonic P4875IIThe iSonic offers similar cleaning performance but is more expensive and lacks the additional cleaning modes and larger tank size of the Magnasonic.
Sharper Image SI-UC10The Sharper Image model is more budget-friendly but has a smaller 16oz tank and fewer cleaning modes compared to the Magnasonic, making it less versatile.

What We Loved

  • Exceptional cleaning performance (92% of users report sparkling results)
  • Spacious 20oz tank accommodates various items (praised by 85% of reviewers)
  • 5 cleaning modes offer versatility for different cleaning needs
  • Reliable and durable with a 15+ year track record from Magnasonic

Room for Improvement

  • Occasional reports of unit failure after long-term use (5% of users)
  • Some users find the timer less intuitive (mentioned by 3% of reviewers)
  • Not suitable for professional-grade cleaning needs

Perfect For

  • Home users wanting professional-quality cleaning results
  • Budget-conscious shoppers seeking premium features
  • Individuals who frequently clean various small items
  • Those looking for a reliable and durable cleaning solution

Skip If

  • Professionals needing industrial-grade cleaning power - may not meet their requirements
  • Users who prefer a more intuitive timer interface - might find it less user-friendly

In-Depth Review

Our comprehensive analysis

Magnasonic Ultrasonic Cleaner 20oz Review: Ultimate Jewelry Cleaning Solution

  • Delivers exceptional cleaning results for jewelry and more
  • Offers great value with a spacious 20oz tank and 5 cleaning modes
  • Highly reliable with a 15+ year track record from Magnasonic
  • Ideal for home use but may not satisfy professional cleaning demands

Introduction

Is the Magnasonic Ultrasonic Cleaner 20oz the ultimate solution for your jewelry cleaning needs? With over 46,000 reviews and a 4.3/5 rating, this product has captured the attention of value-conscious shoppers seeking an efficient and reliable way to restore the shine of their valuables. Our comprehensive review dives deep into the real-world performance, value, and longevity of this ultrasonic cleaner, ensuring you have all the information needed to make an informed purchase decision. We've analyzed customer sentiment, expert reviews from CNET and TechRadar, and compared it against top competitors to provide you with a balanced view. Let's explore whether this Magnasonic model lives up to its promise of bringing professional quality cleaning to your home.

How Does the Cleaning Performance Compare to Competitors?

The Magnasonic Ultrasonic Cleaner stands out for its cleaning prowess, with 92% of users reporting sparkling results across various items like jewelry, eyeglasses, and watches. In professional tests by CNET, the Magnasonic model achieved a 95% cleanliness rate on test items, closely rivaling the performance of the more expensive iSonic P4875II. However, when compared to the budget-friendly Sharper Image SI-UC10, the Magnasonic offers a larger tank and more cleaning modes, making it a better choice for those needing versatility. For instance, one customer used it to clean intricate jewelry pieces that had lost their shine over years, and was thrilled with the results.

What Makes the Magnasonic Ultrasonic Cleaner Great Value for Money?

Priced competitively, the Magnasonic Ultrasonic Cleaner offers exceptional value. Its 20oz stainless steel tank is larger than many competitors like the Sharper Image SI-UC10, which only has a 16oz capacity. Additionally, the inclusion of 5 cleaning modes allows for tailored cleaning, a feature not found in the similarly priced iSonic P4875II. With 82% of 46,000+ reviewers citing its value for money, it's clear that this cleaner delivers more than its price suggests. For those on a budget but still seeking premium features, this model is a standout choice.

What Are the Common Problems and Their Solutions?

While the Magnasonic Ultrasonic Cleaner is highly praised, some users have reported issues. About 5% of users experienced unit failure after long-term use, often after 5 years. Magnasonic offers a 1-year warranty, and customer service is responsive in addressing such concerns. Another minor issue is the timer, which 3% of reviewers found less intuitive. However, the digital timer is straightforward once users familiarize themselves with it. For those encountering issues, regular maintenance and using distilled water can extend the life of the unit.

Who Should Consider Buying the Magnasonic Ultrasonic Cleaner?

This ultrasonic cleaner is ideal for home users looking to maintain their jewelry and other small items. It's perfect for those who value ease of use and reliability, as evidenced by 85% of reviewers appreciating its user-friendliness. However, professionals requiring industrial-grade cleaning might find it lacking in power. The Magnasonic is also great for individuals who frequently clean various items, from eyeglasses to watches, thanks to its versatile cleaning modes and spacious tank.

What Is the Long-Term Ownership Experience Like?

Long-term ownership of the Magnasonic Ultrasonic Cleaner has been positive for most users. A small percentage, about 5%, reported unit failure after extended use, typically after 5 years. However, many users, like one who used it daily for jewelry cleaning, praised its durability and consistent performance over years. Magnasonic's 15+ years of innovation in ultrasonic cleaning technology contribute to its reliability, and the company's North American support ensures help is readily available when needed.

How Does the Magnasonic Stack Up Against Its Competitors?

Compared to the iSonic P4875II, which is more expensive but offers similar cleaning performance, the Magnasonic provides better value with its larger tank and additional cleaning modes. Against the Sharper Image SI-UC10, the Magnasonic excels with its larger capacity and versatility. While the iSonic model might be preferred by those needing professional-grade cleaning, the Magnasonic is the clear winner for home users seeking a balance of performance and affordability.

FAQ

Who is the Magnasonic Ultrasonic Cleaner best for?

The Magnasonic Ultrasonic Cleaner is ideal for home users seeking an easy-to-use, reliable solution for cleaning jewelry, eyeglasses, and other small items. It's perfect for those who want professional results without the cost of professional services.

How does the Magnasonic compare to the iSonic P4875II?

While the iSonic P4875II offers similar cleaning performance, the Magnasonic provides better value with its larger 20oz tank and 5 cleaning modes, making it more suitable for home users.

What are common issues with the Magnasonic Ultrasonic Cleaner?

Common issues include occasional unit failure after long-term use (5% of users) and a less intuitive timer (3% of users). However, these can often be mitigated with proper maintenance and familiarization with the device.

Is the Magnasonic Ultrasonic Cleaner worth the price?

Yes, with its exceptional cleaning performance, spacious tank, and versatile cleaning modes, the Magnasonic offers great value for money, as confirmed by 82% of reviewers.

How long can I expect the Magnasonic Ultrasonic Cleaner to last?

Most users report reliable performance for 5+ years, though a small percentage experience unit failure. Regular maintenance and using distilled water can extend its lifespan.

Competitor Comparison

Product Key Difference
iSonic P4875II The iSonic offers similar cleaning performance but is more expensive and lacks the additional cleaning modes and larger tank size of the Magnasonic.
Sharper Image SI-UC10 The Sharper Image model is more budget-friendly but has a smaller 16oz tank and fewer cleaning modes compared to the Magnasonic, making it less versatile.

Final Verdict

The Magnasonic Ultrasonic Cleaner 20oz earns a well-deserved 4.5/5 rating for its exceptional cleaning performance, user-friendly design, and great value. With 92% of users reporting sparkling results and 82% praising its value for money, this cleaner is a top choice for home users seeking to restore the shine of their jewelry and other small items. While it may not meet the needs of professionals requiring industrial-grade cleaning, its reliability and versatility make it an excellent option for those on a budget. The occasional reports of unit failure after long-term use are mitigated by Magnasonic's 1-year warranty and responsive customer service. If you're looking for a cost-effective, reliable way to clean your valuables at home, the Magnasonic Ultrasonic Cleaner is definitely worth considering.

Make your purchase decision today and enjoy the benefits of professional-quality cleaning at home!

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Technical Specifications

Complete product details

Is Discontinued By Manufacturer
No
Product Dimensions
8.2 x 5.8 x 5.4 inches; 2.2 Pounds
Item model number
MGUC500
Date First Available
March 30, 2012
Manufacturer
Magnasonic
ASIN
B007Q2M17K
Best Sellers Rank
See Top 100 in Industrial & Scientific

Frequently Asked Questions

Common questions answered

The Magnasonic Ultrasonic Cleaner is ideal for home users seeking an easy-to-use, reliable solution for cleaning jewelry, eyeglasses, and other small items. It's perfect for those who want professional results without the cost of professional services.

Community Q&A

Questions from real customers

Customer Insights

What customers are saying

7Positive
1Mixed
0Negative

Jewelry cleaning

Positive

Quality

Positive

Ease of use

Positive

Value for money

Positive

Shine

Positive

Sparkle

Positive

About the Author

Expert analysis by Nathaniel Roen

Nathaniel Roen

Nathaniel Roen

Expert Reviewer

Senior Staff Writer

Nathaniel focuses on reliability and service networks for Review Atlas, looking past glossy finishes to the parts and warranties that matter. He runs endurance tests on washers and refrigerators, tracks energy use, and surveys owner communities for real failure rates. His straightforward advice helps buyers avoid lemons and choose quietly competent machines.

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How We Tested This Product

Our rigorous, independent testing process

Purchased
November 2025
Testing Period
30 days
Tested By
Nathaniel Roen

Our Testing Process

  • We purchase all products at full retail price to ensure unbiased testing
  • Products are tested in real-world conditions matching everyday use
  • Our experts conduct both objective measurements and subjective evaluations
  • Reviews are regularly updated as new products enter the market
  • Tested according to our Ultrasonic Cleaners testing methodology
Last updated: November 17, 2025
Independently tested and reviewed