#alum
Live, measured metrics for the hashtag #alum from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #alum
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Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-25 23:43 UTCNo measured public usage for #alum in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-25 23:43 UTCNo related tags with measured usage found for #alum.
Live pulse
measured · Mastodon tag timeline · fetched 2026-09-25 23:43 UTCNo recent public posts found for #alum on Mastodon. Nothing measured, so nothing shown.
What “alum” means
Wiktionary · Wikipediaalum/ˈæl.əm/
- nounAn astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K2SO4·Al2(SO4)3·24H2O).
- verbTo steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
An alum is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula XAl(SO4)2·12H2O, such that X is a monovalent cation such as potassium or ammonium. By itself, alum often refers to potassium alum, with the formula KAl(SO4)2·12H2O. Other alums are named after the monovalent ion, such as sodium alum and ammonium alum.
“Alum” on Wikipedia (CC BY-SA) →#alum across platforms
every network with a public tag surfaceFollow #alum straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/alum