Coffee culture

Is Filtered Water Becoming a Popular Drink Like Boiled Water?? Why Are Plain Water Products Suddenly Exploding in Popularity

Published: 2026-01-27 Author: FrontStreet Coffee
Last Updated: 2026/01/27, For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add FrontStreet Coffee's private WeChat account: qjcoffeex When nobility still drinks Bai Shui Mountain, aristocrats still drink Perrier, and elites still drink Evian, various beverage brands

For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style)

For more specialty coffee beans, please add FrontStreet Coffee's private WeChat account, ID: qjcoffeex

While the elite were still drinking Evian and nobles still enjoyed Perrier, filtered water from various beverage stores quietly became the object of desire for the younger generation of consumers! Meanwhile, to make their products appear more unique and vintage, everyone affectionately began calling it "Cool Boiled Water."

Cool boiled water image

Cool boiled water refers to water that has been boiled and then allowed to cool naturally—what we commonly call plain boiled water. I believe some of you have also heard elders in your family say that drinking cool boiled water regularly can prevent colds and sore throats (perhaps just hoping we would drink more water, after all, drinking more water isn't a bad thing). As a result, many young people, when visiting coffee shops or bubble tea shops, suddenly remembered what their elders said and began telling the staff: "Hello! I'd like a glass of cool boiled water!"

Cool boiled water preparation

The staff, quite intuitively, began preparing this viral cool boiled water: taking a PE cup, adding ice cubes, pouring in cool boiled water that had been filtered to remove suspended solids, then sealing it with a machine—perfect! And the moment people received their cool boiled water, it was like holding a treasure box in their hands. They would insert a straw, snap photos under sunlight or indoor lighting, further enhance the exposure, and soon cups of cool boiled water as white as the moon began sweeping across social media platforms.

Cool boiled water on social media

The Rise of Cool Boiled Water

Although it lacks the smoothness of glacier water, the refreshment of mineral water, the sweetness of mountain spring water, and the purity of purified water, this cool boiled water from bubble tea shops is crafted by every "artisan" of hand-shaken beverages. Compared to nature's gifts, a glass of cool boiled water embodies craftsmanship, fashion, and simplicity.

Initially, ordering cool boiled water was somewhat complicated. From netizens' shared experiences, one could see: "You needed to order the cheapest tea, then ask the staff to replace it with iced cool boiled water—delicious, thirst-quenching, inexpensive, and available in large portions. It was practically free."

Cool boiled water pricing

Later, major brands reached a consensus, symbolically charging 1 yuan (which wouldn't even cover the cost of packaging and straws). Not for any other reason than to cater to their customers. After all, buying a bottle of purified water outside costs at least 2 yuan. Against the backdrop of carefully selected backgrounds, angles, and contrasts, this 1-yuan iced cool boiled water transformed itself into a high-fashion item.

Beyond Cool Boiled Water

In addition to cool boiled water, "oil-scraping water" (detox water) costing just a few yuan is also highly sought after by the younger generation! As long as you skip the milk, foam topping, and non-dairy creamer, simply pairing a tea base with small ingredients and adding 30% sugar creates a healthier drink than anything else!

Oil-scraping detox water

The Fashion Appeal of Filtered Water

Why has such filtered water become fashionable? Perhaps it's about enjoying craftsmanship at a low price. A glass of filtered water, dispensed by the hands of hand-shaken beverage "artisans," flows through metal pipes into bubble tea cups filled with ice, then gets sealed, wiped dry, and presented—this is an experience you can't get from making it yourself or buying bottled water.

As mist gradually forms on the cup's surface, the cool boiled water before you presents a minimalist sense of sophistication. With the right angle and a quick photo, you have another picture that tells a story. Although tasteless, when smelling the sweet aromas emanating from the bubble tea shop, even the bland cool boiled water can provide the sensation of drinking bubble tea.

Does it taste good or not? What does that matter—it looks great in photos! And that's enough.

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