","image":["https://m.media-amazon.com/images/I/51i8bbRGj5L.jpg","https://m.media-amazon.com/images/I/61GrazhRCKL.jpg","https://m.media-amazon.com/images/I/51yTNscl+uS.jpg","https://m.media-amazon.com/images/I/414j4r8b53L.jpg","https://m.media-amazon.com/images/I/51833SS9FIS.jpg","https://m.media-amazon.com/images/I/61E39JlvPGL.jpg","https://m.media-amazon.com/images/I/61fJC+QA9uL.jpg","https://m.media-amazon.com/images/I/81IkMnJQ8lL.jpg"],"offers":{"@type":"Offer","priceCurrency":"HKD","price":"75.47","itemCondition":"https://schema.org/NewCondition","availability":"https://schema.org/OutOfStock"},"review":[]},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"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)?","acceptedAnswer":{"@type":"Answer","text":"I put it directly on several nickel objects and it did not detect nickel."}},{"@type":"Question","name":"Will these work with any cotton swab? Or is there a chemical reagent on the included cotton swabs?","acceptedAnswer":{"@type":"Answer","text":"As far as I know ow any cotton swab is fine. The chemicals only react with metal"}},{"@type":"Question","name":"Does it have an expiration date?","acceptedAnswer":{"@type":"Answer","text":"there is no expiration date on Nickel Alert. Just keep the cap tightly closed! Mike Dow, Owner of NoNickel.com"}},{"@type":"Question","name":"How to fully clean the solution off of products that have been tested?","acceptedAnswer":{"@type":"Answer","text":"Just water or a damp rag will do the trick if there is any residue."}}]}]}