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KUNPHY ultrasonic cleaner with jewelry and glasses on a clean counter
Buying notes·Page updated

Your rings and glasses come out clean in 3 minutes, no scrubbing

Is this the right fit?

Best for
anyone with an engagement ring that has gone cloudy behind the stone
Skip if
It will not remove tarnish from silver, since tarnish is oxidation and needs a polish rather than sound waves
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The KUNPHY ultrasonic cleaner is a 350ml tank that runs 46,000Hz sound waves through plain water to shake grime off jewelry, eyeglasses, and small metal parts. Because it is cavitation rather than scrubbing, it reaches under prongs and inside chain links where a cloth cannot go. One touch starts a 3-minute cycle and it shuts off on its own. It runs under 45 decibels, which is quiet enough to leave going on a bathroom counter. The tank fits rings, chains, earrings, watch bands, and a pair of glasses. Note that tarnish on silver is oxidation, not dirt, and ultrasonic cleaning will not remove it. Best fit: anyone with an engagement ring that has gone cloudy behind the stone.

Pros

  • 46kHz cavitation reaches under prongs and inside chain links where a cloth cannot
  • One-touch 3-minute cycle shuts itself off, so there is nothing to time
  • Runs under 45 decibels, quiet enough to leave running on a counter
  • Works with plain tap water, no proprietary solution to keep buying

Cons

  • It will not remove tarnish from silver, since tarnish is oxidation and needs a polish rather than sound waves

Frequently asked questions

Do you need special cleaning solution?

No. Plain warm tap water works for most jewelry and glasses. A drop of dish soap helps with heavy oils, but no proprietary fluid is required.

Is it safe for soft or porous stones?

Not for pearls, opals, emeralds, turquoise, or anything with glued settings. Diamonds, sapphires, and solid gold or platinum are fine.

Will it clean eyeglasses without damaging coatings?

Standard anti-reflective coated lenses are generally fine on a short cycle. Take the glasses out between cycles rather than running several back to back.

How big is the tank?

350ml, which fits several rings, a chain, a watch band, or one pair of eyeglass frames at a time.

Your rings and glasses come out clean in 3 minutes, no scrubbing

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