{"id":2059,"date":"2025-11-20T00:00:00","date_gmt":"2025-11-20T00:00:00","guid":{"rendered":"https:\/\/emmysearth.com\/?p=2059"},"modified":"2026-08-01T09:37:03","modified_gmt":"2026-08-01T09:37:03","slug":"the-smell-is-in-the-lid","status":"publish","type":"post","link":"https:\/\/emmysearth.com\/index.php\/2025\/11\/20\/the-smell-is-in-the-lid\/","title":{"rendered":"The Smell Is in the Lid"},"content":{"rendered":"<p>A travel mug that smells after washing is almost never the body. It is the lid, and specifically the parts of it nobody removes.<\/p>\n<h2>Where the Residue Lives<\/h2>\n<p>A silicone gasket sits in a groove around the underside of the lid, and there is a gap between the gasket and the channel it sits in.<\/p>\n<p>Milk, sugar and coffee oils work into that gap. A dishwasher does not reach it, because dishwashers clean by water striking a surface and this surface is enclosed.<\/p>\n<p>Over months that becomes a reservoir of residue, and with milk involved it grows visible mould.<\/p>\n<h2>Cleaning It Properly<\/h2>\n<ul>\n<li>Peel the gasket out of its channel, gently, from a corner<\/li>\n<li>Wash both the gasket and the groove with hot soapy water<\/li>\n<li>Use a small brush or a cotton bud in the channel<\/li>\n<li>Do the same for any slider or flip mechanism, which has its own cavities<\/li>\n<li>Dry both completely before refitting<\/li>\n<li>Seat the gasket evenly, the right way round, with no twists<\/li>\n<\/ul>\n<p>Where a lid is designed with a removable gasket, of the kind on models listed at <a href=\"https:\/\/copco-usa.com\/\">https:\/\/copco-usa.com\/<\/a>, that is a component intended to come out rather than be sealed in.<\/p>\n<h2>Milk Makes It Urgent<\/h2>\n<p>A mug used for black coffee tolerates neglect. One used for milky drinks does not.<\/p>\n<p>Milk residue in a warm sealed cavity is a genuine hygiene problem rather than an aesthetic one, and a mug left in a bag over a weekend with milk in it needs a thorough strip-down rather than a rinse.<\/p>\n<h2>Rinse It Immediately<\/h2>\n<p>The habit that prevents most of this. Thirty seconds under a tap when you finish, even without soap.<\/p>\n<p>Residue that dries in is considerably harder to remove than residue rinsed while wet.<\/p>\n<h2>Do Not Leave It Sealed<\/h2>\n<p>Storing a mug with the lid on traps moisture, which is exactly what the residue needs.<\/p>\n<p>Lid off, both parts dry, stored separately.<\/p>\n<h2>Stains Are Not Dirt<\/h2>\n<p>Coffee and tea stain plastic permanently. A bicarbonate paste lifts some of it, and it is cosmetic provided the mug has been washed properly.<\/p>\n<h2>Narrow Openings Need a Brush<\/h2>\n<p>A cloth wrapped around a hand does not reach the bottom of a tall mug, and a straw needs a straw brush.<\/p>\n<h2>Dishwasher Is Not Enough<\/h2>\n<p>For any lid with a gasket or a mechanism.<\/p>\n<h2>Check It Monthly<\/h2>\n<p>Peel the gasket and look.<\/p>\n<h2>Two Lids Helps<\/h2>\n<p>Where a spare lid is available, having one in rotation means a mug is usable while the other is properly stripped and dried.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A travel mug that smells after washing is almost never the body. It is the lid, and specifically the parts of it nobody removes. Where the Residue Lives A silicone gasket sits in a groove around the underside of the lid, and there is a gap between the gasket and the channel it sits in&#8230;.<\/p>\n","protected":false},"author":68,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-2059","post","type-post","status-publish","format-standard","hentry","category-observations"],"_links":{"self":[{"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/posts\/2059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/users\/68"}],"replies":[{"embeddable":true,"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/comments?post=2059"}],"version-history":[{"count":1,"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/posts\/2059\/revisions"}],"predecessor-version":[{"id":2060,"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/posts\/2059\/revisions\/2060"}],"wp:attachment":[{"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/media?parent=2059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/categories?post=2059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/emmysearth.com\/index.php\/wp-json\/wp\/v2\/tags?post=2059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}