FAQ

Ultrasonic Jewelry Cleaning Solutions Guide

Diamonds

When your favorite ring or heirloom necklace begins to lose its brilliance, it’s usually not because of age—but because tiny residues of skin oils, lotions, and dust have settled into crevices that no polishing cloth can reach. Ultrasonic cleaning steps in with a high-frequency approach, using microscopic bubbles in a liquid bath to dislodge even the most stubborn buildup from intricate settings. However, the real transformation doesn’t come from vibration alone—it’s the synergy between the ultrasonic process and the right cleaning solution that brings jewelry back to life. Choosing the right liquid isn’t just about effectiveness; it’s also about protecting materials from tarnish, etching, or long-term wear. A well-matched cleaning solution ensures your jewelry regains its sparkle while preserving its structural integrity for years to come.

How Ultrasonic Cleaning Works and Why Solution Matters

Ultrasonic cleaners generate high-frequency vibrations (typically 40–45 kHz) that create microscopic bubbles in liquid—a process called cavitation. When these bubbles collapse near jewelry, they dislodge dirt and oils from tight settings and underneath gemstones in seconds.

But don’t underestimate the role of the solution. Water alone can clean some surface dirt, but stubborn grime, grease, or cosmetics need surfactants and chelators to break them down.

A carefully formulated ultrasonic solution:

Enhances bubble formation and effectiveness,

Emulsifies oils and dissolves organic residues,

Maintains pH balance to protect metals,

Inhibits corrosion during the rinse and dry process.

Poorly chosen solutions may leave films behind, dull finishes, or—worse—damage gemstones or settings. Think of the liquid as the chemical catalyst that turns vibration into deep cleaning power.

Cleaning fluid

Cleaning fluid

Safe Solution Options for Common Jewelry Materials

Choosing the right solution depends on the type of jewelry you’re cleaning:

Solid precious metals (gold, platinum, sterling silver) and hard, untreated gems like diamonds are generally safe in mild alkaline or neutral solutions. These are gentle yet effective for daily cleaning.

Costume or plated jewelry needs very mild detergents—harsh solutions may erode plating or react with base metals.

Porous or treated gems (pearls, emeralds, opals, fracture-filled stones) should never go into ultrasonic baths—they’re delicate and can crack or lose treatments.

A widely trusted DIY recipe for sturdy pieces is warm water with a few drops of mild dish soap. For sparkling results, you can invest in commercially formulated ultrasonic jewelry solutions.

pearl necklace

pearl necklace

Safe Usage Practices and Guidelines

To protect your valuables while enjoying ultrasonic efficiency:

Inspect first—check for loose stones or damaged settings.

Choose the right cycle—safe frequency is around 45 kHz for jewelry. High power at lower frequencies can be too aggressive for fine pieces.

Low temperature is key—warm water suffices. High heat can loosen stones or harm adhesives.

Use proper containers—mesh baskets and non-metal supports prevent collision damage.

Short cycles—start with 2–5 minutes, extending only if needed; don’t rinse and repeat endlessly.

Post-clean rinse and dry—use clean water, followed by patting dry with a lint-free cloth.

Avoid forbidden items—no pearls, porous stones, heat-treated gems, or antique finishes.

Pearl Necklace

Pearl Necklace

When to Choose Commercial Solutions

For pieces worn daily or cleaned frequently, investing in professional-grade ultrasonic solutions can make a difference. These formulas typically include balanced surfactants, corrosion inhibitors, and emulsifiers—offering:

Increased cleaning power in shorter cycles,

Less residue left behind,

Neutral pH to protect finishes and avoid tarnishing,

Compatibility with various metals, reducing risk of damage over time.

Rather than experimenting with unknown mixes, go for tested products designed for safe ultrasonic use. While at-home water-soap rinses work occasionally, pro solutions deliver consistent brilliance faster, without as much wrist work or guesswork.

Maintaining Jewelry After Ultrasonic Cleaning

After every ultrasonic bath, store pieces carefully:

Soft-lined jewelry boxes reduce scratches.

Anti-tarnish strips can slow oxidation on silver.

Regular professional inspections—especially for engagement rings—ensure settings remain secure.

Ultrasonic cleaning is excellent maintenance, but it doesn’t replace occasional polishing or expert inspections for loose stones.

In the End, It’s About Chemistry and Care

In the end, effective jewelry cleaning is a delicate balance of chemistry and care. The best ultrasonic results don’t come from just any solution or machine—they come from thoughtful combinations designed to protect, not just polish. That’s where Yunyisonic truly shines. Known for its precision engineering and multi-frequency ultrasonic systems, Yunyisonic ultrasonic cleaners are built to adapt to a wide range of jewelry materials and contamination levels. Whether you’re restoring the gleam to vintage silver or gently maintaining diamond-set rings, Yunyisonic provides stable performance, gentle cavitation, and customizable cleaning settings that safeguard your treasures. If you’re serious about both sparkle and safety, Yunyisonic offers a professional standard you can trust at home or in the studio.

The following are Yunyisonic ultrasonic cleaning machines dedicated to jewelry cleaning. If you need to buy a convenient and useful ultrasonic jewelry cleaning machine, you can add these to your considerations:

0.8L Ultrasonic Eyeglass Cleaner | Efficient Clean Spectacles, Magnifying Glasses, Optical Lenses, Jewelry, Dentures

In stock

Select options This product has multiple variants. The options may be chosen on the product page
Weight 1.70 kg
Dimensions 23.5 × 17 × 18 cm
Model

YA008A

,

YA008GA

Application Field

Brass

,

Car Parts

,

Coins

,

Dental

,

Denture

,

Earrings

,

Eyeglasses

,

Jewelry

,

Resin Prints

,

Toys

,

Watches

Brand

Yunyisonic

Origin

Shenzhen City, China

Capacity

800ML

Frequency

40kHz

Ultrasonic Power

35W

,

60W

Tank Material

SUS304 Stainless Steel

Voltage

AC 110V 60Hz;AC 220V 50Hz

Plug Type

EU Plug

,

US Plug

,

AU Plug

,

Other Plugs

,

UK Plug

Certificates

CE

,

FCC

,

ROHS

Warranty

1 Year

Customization

Logo/Pattern

,

Private Lable

,

White Label

Function

Clean Thoroughly

Manufacturer

Yunyisonic Shenzhen Co., Ltd.

1.3L Digital Ultrasonic Cleaner with Degas Function for Spectacles, Eyeglass Lenses, Jewelry, and Small Nozzles

In stock

Select options This product has multiple variants. The options may be chosen on the product page
Weight 2.10 kg
Dimensions 25.5 × 24.2 × 18 cm
Model

YA013

,

YA013C

,

YA013G

Application Field

Coins

,

Contact Lenses

,

Dental

,

Denture

,

Earrings

,

Eyeglasses

,

Jewelry

,

Optical Lenses

,

Resin Prints

,

Rings

,

Toys

,

Watches

Brand

Yunyisonic

Origin

Shenzhen City, China

Capacity

1.3L

Frequency

40kHz

Ultrasonic Power

35W

,

60W

Timer

1-30mins

Tank Material

SUS304 Stainless Steel

Voltage

AC 110V 60Hz;AC 220V 50Hz

Plug Type

EU Plug

,

US Plug

,

AU Plug

,

Other Plugs

,

UK Plug

Certificates

CE

,

FCC

,

ROHS

Warranty

1 Year

Customization

Logo/Pattern

,

Private Lable

,

White Label

Function

Clean Thoroughly

,

Degassing

,

Digital Control

,

Timing

Manufacturer

Yunyisonic Shenzhen Co., Ltd.

1.3L Ultrasonic Cleaner for Jewelry, Small Hardware, and Spark Plugs | Easy Operation Household Cleaner

In stock

Select options This product has multiple variants. The options may be chosen on the product page
Weight 2.10 kg
Dimensions 25.5 × 24.2 × 18 cm
Model

YA013A

,

YA013GA

Application Field

Brass

,

Car Parts

,

Coins

,

Dental

,

Denture

,

Earrings

,

Eyeglasses

,

Jewelry

,

Resin Prints

,

Rings

,

Toys

,

Watches

Brand

Yunyisonic

Origin

Shenzhen City, China

Capacity

1.3L

Frequency

40kHz

Ultrasonic Power

35W

,

60W

Tank Material

SUS304 Stainless Steel

Voltage

AC 110V 60Hz;AC 220V 50Hz

Plug Type

EU Plug

,

US Plug

,

AU Plug

,

Other Plugs

,

UK Plug

Certificates

CE

,

FCC

,

ROHS

Warranty

1 Year

Customization

Logo/Pattern

,

Private Lable

,

White Label

Function

Clean Thoroughly

Manufacturer

Yunyisonic Shenzhen Co., Ltd.

2L Digital Ultrasonic Cleaner for Watches, Small Parts, Metal Bands, Razors, and Dental Braces | Watchmakers and Jewelers Use

In stock

Select options This product has multiple variants. The options may be chosen on the product page
Weight 2.65 kg
Dimensions 25.5 × 24.2 × 21.5 cm
Model

YA020

,

YA020C

,

YA020G

Application Field

Car Parts

,

Clocks

,

Coins

,

Contact Lenses

,

Dental

,

Denture

,

Earrings

,

Eyeglasses

,

Jewelry

,

Optical Lenses

,

Rings

,

Toys

,

Watches

Brand

Yunyisonic

Origin

Shenzhen City, China

Capacity

2L

Frequency

40kHz

Ultrasonic Power

35W

,

60W

Timer

1-30mins

Tank Material

SUS304 Stainless Steel

Voltage

AC 110V 60Hz;AC 220V 50Hz

Plug Type

EU Plug

,

US Plug

,

AU Plug

,

Other Plugs

,

UK Plug

Certificates

CE

,

FCC

,

ROHS

Warranty

1 Year

Customization

Logo/Pattern

,

Private Lable

,

White Label

Function

Clean Thoroughly

,

Degassing

,

Digital Control

,

Timing

Manufacturer

Yunyisonic Shenzhen Co., Ltd.