Can this product be used to test if nickel is in water (i.e. has nickel leached into water from a container it was in)?

I put it directly on several nickel objects and it did not detect nickel.

Will these work with any cotton swab? Or is there a chemical reagent on the included cotton swabs?

As far as I know ow any cotton swab is fine. The chemicals only react with metal

Does it have an expiration date?

there is no expiration date on Nickel Alert. Just keep the cap tightly closed! Mike Dow, Owner of NoNickel.com

How to fully clean the solution off of products that have been tested?

Just water or a damp rag will do the trick if there is any residue.

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Single Bottle - Jewelry Test Kit for Nickel Allergy Protection | Perform 200+ At-Home DMG Spot Tests for Nickel in Metal (Earrings, Watches, Buttons, Buckles)

Single Bottle - Jewelry Test Kit for Nickel Allergy Protection | Perform 200+ At-Home DMG Spot Tests for Nickel in Metal (Earrings, Watches, Buttons, Buckles)

Product ID: 174786430

🔬Industry-standard DMG chemistry

⏱️200+ rapid tests per bottle

🛡️Accurate nickel allergy protection

R1330

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Stay nickel-safe, stylish, and stress-free—test before you wear!

TRUSTED DMG CHEMISTRY - Leverage lab-grade dimethylglyoxime technology for pinpoint nickel detection every time.
INSTANT CLEAR RESULTS - Simple drop-and-swab method delivers visible pink-red alerts in seconds—no expertise needed.
PROTECT SENSITIVE SKIN - Prevent itching, rashes, and dermatitis by identifying hidden nickel in everyday metal items.
COMPACT COST EFFECTIVE - Small bottle, big impact—long-lasting testing that fits your lifestyle and budget.
200 AT HOME NICKEL TESTS - Empower your allergy defense with over 200 quick, reliable spot tests in one compact bottle.

The Single Bottle Jewelry Test Kit offers 200+ fast, accurate at-home DMG spot tests to detect nickel release from jewelry and metal items, helping prevent allergic reactions. Trusted by allergy-prone users, it uses proven dimethylglyoxime chemistry for instant, clear results with a simple swab method—compact, cost-effective, and essential for sensitive skin protection.

Specifications

ASIN	B07YZP1YXK
Best Sellers Rank	#140,212 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #446 in Sewing Snaps
Customer Reviews	4.3 4.3 out of 5 stars (228)
Manufacturer	Nickel Smart
Package Dimensions	3.94 x 1.97 x 1.18 inches; 3.2 ounces

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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