While bringing enough water for a short day hike isn’t a major concern, multi-day hikes or wild camping trips require water for more than just drinking—it’s also needed for cooking, cleaning, and making tea or coffee. Since 1 litre of water weighs 1 kg, carrying multiple litres quickly becomes burdensome. Instead of hauling excessive water, using purification methods allows you to safely drink from natural sources, reducing pack weight while ensuring proper hydration.
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