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Cold Brew Ratio (1:4–1:12) – Free Calculator | Wonder Waves Coffee
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Cute blue octopus holding a hot coffee mug, representing sustainable coffee and ocean-themed designs
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COLD BREW CALCULATOR

CRAFT THE PERFECT COLD BREW—EVERY TIME.

Enter the total yield and select the unit.
Select a preset ratio (1 part coffee to X parts water) or choose "Custom Ratio" and enter your own.
Longer brew times typically yield stronger flavors.

🔄 Recalculate after any changes for accurate results!

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Ocean-themed specialty coffee gift boxes from Wonder Waves Coffee featuring coffee beans and brewing accessories
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Our Happy Sailors

“My coffee order came quickly and tastes delicious! I am a happy and well-caffeinated customer. Absolutely will be purchasing more. Thanks, Wonder Waves Team!”

Maeve
Philadelphia, PA

“Coffee was a gift, but smelling AMAZING, seller was great and arrived on time.”

Ruth
HAIKU, HI

“Deliciously strong as expected!”

Tim
Miami, FL

"Delivered so fast! Great flavors and great packaging. Will definitely be buying again!"

Brandy
BROOKLYN, NY

“Smells soo good and tastes AMAZING. Arrived quickly!”

Celia
WESTON, FL

“The coffee was sooo delicious! You can tell it was made to order and the customer service was very kind as well. Highly recommend this product to all!”

Yoel
WEEHAWKEN, NJ

“Love it tastes great definitely recommend for any blonde espresso drinkers!”

Melissa
DAWNSONVILLE, GA

“Never had hazelnut coffee like this before. Next-level good.”

Johnny
New York, NY

“Naturally sweet. Warm and refreshing at the same time. Took me to a happy place!”

Maria
Palmetto Bay, FL

“Perfect tea to warm up with amazing flavors and aromas!”

Mary
BALTIMORE, MD

“This was the BEST tea I've purchased in a long time - the perfect amount of flavor without any bitterness. Will be purchasing again.”

Natasha
SEATTLE, WA

“Fantastic, high-quality tea! It’s truly versatile and enjoyable whether you serve it hot or cold, just as described.”

Jaime
DALLAS, TX

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