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Aquatabs Water Purification Tablets vs HART Day Hike First Aid Kit

Weight and specs compared for 2026 — and which one to choose.

Aquatabs Water Purification Tablets is the lighter option — 79 g lighter than the HART Day Hike First Aid Kit (80% less weight). If grams matter to you, that is the one to beat.
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Spec Aquatabs Water Purification Tablets HART Day Hike First Aid Kit
Weight 20 g · 0.020 kg · 0.04 lb 99 g · 0.099 kg · 0.22 lb
Brand Aquatabs HART
Category First Aid First Aid
Aquatabs Water Purification Tablets
20 g

30 tablets. Emergency water purification backup.

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HART Day Hike First Aid Kit
99 g

Ultra-compact first aid kit at 3.5oz. Lightweight and customizable for day hikes.

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Aquatabs Water Purification Tablets vs HART Day Hike First Aid Kit: which should you buy?

If saving weight is your priority, the Aquatabs Water Purification Tablets wins — at 20 g it is 79 g (80%) lighter than the HART Day Hike First Aid Kit (99 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest first aid page, or browse the full gear weight database.

More first aid comparisons