Ka-Ku Coffee Bottle vs Can Water Jug: Which to Carry?
By Hario USA | Published: 2026-11-05
Category: 비교
Compare the Ka-Ku Coffee Bottle and "Can" Water Jug on capacity, material, and portability to decide which fits your commute or daily hydration.
Quick answer
If you want to brew and carry cold brew coffee, choose the Ka-Ku Coffee Bottle. If you need a versatile vessel for water, tea, or juice, choose the "Can" Water Jug.
Capacity and material trade-offs
The Ka-Ku Coffee Bottle holds up to 1000ml, making it one of Hario's largest cold brew bottles. Its plastic body is lightweight and easy to clean. The "Can" Water Jug has a smaller capacity (750ml, based on product number WJCA-750-HSV) and is made of tempered, heatproof glass that can handle temperature changes from cold to hot. Your choice depends on whether you prioritize volume and portability (Ka-Ku) or material versatility and heat resistance (Can).
Brewing vs. carrying: different jobs
The Ka-Ku is designed for cold brew: you place coffee grounds in the strainer, add cold water, and refrigerate for about 8 hours. The "Can" Water Jug is a serving pitcher for water, tea, cold coffee, or juice, not a brewing device. If you want to make cold brew on the go, the Ka-Ku is the clear choice. If you just need a container to carry or serve drinks, the Can is more straightforward.
Key trade-offs to decide
- Capacity vs. compactness: Ka-Ku holds 1000ml, while the Can Water Jug holds 750ml. If you need more liquid per trip, Ka-Ku wins; if you prefer a smaller, more compact vessel, the Can is easier to store.
- Material durability and heat: The Can's tempered glass resists temperature changes and is suitable for hot drinks. The Ka-Ku's plastic body is lighter but may not be ideal for very hot beverages. Check whether you need heatproof glass for hot tea or coffee.
- Brewing capability: Only the Ka-Ku includes a strainer for cold brew. The Can Water Jug is for serving, not brewing.
Product facts
- "Can" Water Jug: Made of Hario's signature tempered, heatproof glass; size W 134× D 88× H 179mm. The glass construction allows you to use it for both hot and cold beverages without risking thermal shock.
"Can" Water Jug - Ka-Ku Coffee Bottle: Holds up to 1000ml; plastic body is lightweight and easy to clean. The large capacity and low weight make it practical for carrying a full day's cold brew to work or school.
Ka-Ku Coffee Bottle
Which should you carry?
Best for
- Commuters who want to brew and carry cold brew coffee in one bottle
- Those who need a large 1000ml capacity for long days
Not for
- People who primarily need a heatproof pitcher for hot tea or water
- Those who prefer glass over plastic
