Latest Guides
Tritium Colors Ranked by Brightness: Green, Ice Blue and Beyond
Green is the brightest tritium color, then ice blue and yellow, with red and purple dimmer. The ranking, the reason behind it, and how to choose for carry.
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How Tritium Vials Are Made (GTLS Manufacturing)
Inside GTLS manufacturing: borosilicate tube drawing, phosphor coating, tritium filling and laser sealing, and why so few facilities in the world can do it.
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Is Tritium Legal? US, UK, Canada and EU Rules Compared
Tritium keychains are legal to own in most Western markets, and licensing sits with the supplier, not you. Who regulates what in the US, UK, Canada and the EU.
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Can You Fly With Tritium? TSA and Airline Rules
Flying with a tritium keychain: what airport screening actually sees, carry-on versus checked, how airline and country rules differ, and how to avoid a hassle.
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Tritium vs Glow-in-the-Dark Paint: What Actually Lasts
Glow paint is brighter for the first half hour. Tritium is still glowing at 4 a.m. and needs no charging. A fair, practical comparison for everyday carry gear.
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Tritium Vial Lifespan: How Long Does the Glow Really Last?
A tritium vial glows for up to 25 years with no charging. Here is how brightness declines over that span, what size and color change, and when to replace one.
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Tritium Glow Fob: How to Choose a Titanium Keychain That Glows for Years
A practical guide to choosing a tritium glow fob, covering how the glow works, titanium versus other materials, and what to look for before you buy.
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Is a Tritium Keychain Safe to Carry Every Day?
Tritium keychains are safe to carry daily: the beta radiation cannot pass through the glass vial or your skin. The physics, numbers, and one rule that matters.
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