Yes, absolutely. The gentle 40kHz ultrasonic frequency is perfectly safe for coated lenses. The microscopic bubbles clean without abrasive contact, protecting anti-glare, anti-scratch, and UV coatings whilst removing oils, dust, and debris effectively.

For regularly worn jewellery, weekly cleaning maintains brilliance. Occasionally worn pieces benefit from cleaning before wearing. The gentle process means you can clean as often as desired without risk of damage or wear to your precious items.

Yes, it's excellent for dental appliances. The ultrasonic action removes bacteria, plaque, and debris from retainers, aligners, dentures, and mouthguards. Use plain water or dentist-recommended cleaning solutions for optimal hygiene and freshness.

Tap water works perfectly for most cleaning tasks. For jewellery or items prone to water spots, distilled water provides streak-free results. Warm water (not hot) can enhance cleaning effectiveness for particularly stubborn dirt or grime.

Yes, you can add mild cleaning solutions designed for ultrasonic cleaners. Use jewellery cleaning solutions for precious metals, or denture cleaning tablets for dental appliances. Always follow solution manufacturer's guidelines and avoid harsh chemicals.

Most jewellery achieves brilliant results in 3-5 minutes. Heavily tarnished items may benefit from a full 10-minute cycle. The adjustable timer lets you customise cleaning duration based on item condition and material type.

Pearls, opals, emeralds, and other porous stones require special care. We recommend avoiding ultrasonic cleaning for these delicate gemstones. However, diamonds, sapphires, rubies, and most hard gemstones clean beautifully without any concerns.

After each use, empty the tank and wipe it dry with a soft cloth. Weekly, clean the tank with mild soap and water, then rinse thoroughly. The stainless steel construction resists staining and maintains its appearance with minimal maintenance.