Hario USA "Ka-Ku" Cold Brew Tea Bottle

Make cold brew tea at home with minimal effort. Hario USA's "Ka-Ku" Cold Brew Tea Bottle lets you steep your favorite loose leaves overnight for smooth, refreshing cold tea ready to enjoy the next day.

The smart rectangular design fits easily into your fridge—stand it upright or lay it flat depending on your space. A removable plastic mesh strainer keeps brewing simple and cleanup effortless. Just add tea and water, let it steep overnight, and pour.

Why You'll Love This Cold Brew Bottle

• Space-saving rectangular shape stores upright or horizontal
• 1200ml capacity brews enough for multiple servings
• Removable strainer and cap for quick, easy cleaning
• Durable, food-safe construction made in Japan
• Works with any loose-leaf tea or herbal blend

Frequently Asked Questions

How do I use the Hario USA "Ka-Ku" Cold Brew Tea Bottle?
Add loose-leaf tea to the removable mesh strainer, fill with cold water, and refrigerate overnight or up to 12 hours. Remove the strainer and serve chilled.

What size is this cold brew bottle?
The bottle holds 1200 milliliters (about 40 oz), making it perfect for daily cold brew batches or sharing with a friend.

Can I brew hot tea in this bottle?
This Hario USA bottle is designed for cold brewing. For best results and longevity, use cold water and refrigerate during steeping.

Specifications

• Capacity: 1200 ml
• Dimensions: W90 × D90 × H320 mm
• Bottle material: PCT resin
• Strainer & top: Polypropylene mesh
• Cap & bottle packing: Silicone rubber
• Available colors: White, Smokey Green, Smokey Pink
• Made in Japan

Shop our full selection of Hario Tea.