Ovalware RJ3 Cold Brew Coffee Maker Review

crazy by Editorial Staff | Posted on March 31st, 2023

Hey there, fellow coffee lovers.

I’ve tried unique coffees from all over the world, and I love experimenting with different brewing methods.

Today, I’m excited to share my experience with the Ovalware Airtight Cold Brew Iced Coffee Maker and Tea Infuser with Spout (RJ3).

Let’s dive right in!

Product Overview:

  • Product Name: Ovalware Airtight Cold Brew Iced Coffee Maker and Tea Infuser with Spout (RJ3)
  • Size: 1.0L / 34oz
  • Brewing Glass Carafe with Removable Stainless Steel Filter
  • Price: $35.99 (as of current listing)
  • Protection Plan: 3-Year Protection for $4.99 or 4-Year Protection for $6.99 (optional)
  • Amazon’s Choice in Cold Brew Category

Our Verdict

We’re giving the Ovalware RJ3 a rating of 4.4 out of 5 stars. It’s a fantastic brewer, but there are a couple of things to watch out for.

Key Features

✔ Easy 2-step brewing process

✔ Airtight seal keeps cold brew fresh for 2 weeks

✔ Multi-functional: cold brew, hot coffee, and tea

✔ Durable borosilicate glass and precision filter

Review Summary

There’s nothing like a refreshing cold brew, especially when you can make it at home. The Ovalware RJ3 is a dedicated cold brew maker with a sleek design that allows you to brew and store your cold brew in the same container. It’s also budget-friendly, which is a plus!

What Sets It Apart

Let’s take a closer look at some of the key features of the RJ3:

Easy BrewingJust add coarsely-ground beans, pour in cold water, and let it steep for 12 to 18 hours.
Airtight SealKeeps your cold brew fresh for up to two weeks, so you can enjoy it whenever you want.
Versatile BrewingBrew hot or cold coffee or tea, making it a versatile addition to your kitchen.
Durable & Dishwasher-SafeMade with sturdy borosilicate glass and a stainless steel filter, plus it’s dishwasher-safe!

Brewing Tips

To get the best out of your Ovalware RJ3, follow these brewing tips:

  • Use coarsely-ground coffee beans for optimal extraction.
  • Follow a coffee-to-water ratio of 1:4 (e.g., 1 cup of coffee grounds to 4 cups of water).
  • Let the coffee steep for 12 to 18 hours for a bold and smooth flavor.
  • Experiment with brewing times to find your preferred taste.

Cleaning and Maintenance

The RJ3 is low-maintenance and easy to clean. After each use, remove the stainless steel filter, discard the coffee grounds, and rinse the filter with warm water. The glass carafe and filter are both dishwasher-safe, making cleaning a breeze. Just be careful not to drop the carafe, as it may break if handled roughly.

What Users Are Saying

Most users love the Ovalware RJ3 for its simplicity, flavor, and versatility. Some even use it for iced tea! However, a few users mentioned that it’s prone to breaking if dropped, so be careful handling it.

Why We Love It

Overall, we’re big fans of the Ovalware RJ3. It’s easy to use, easy to clean, and makes a smooth, rich cold brew. The filter can be a bit tricky, but it’s a minor issue in the grand scheme of things. Plus, it’s backed by a high rating of 4.6 out of 5 stars on Amazon with over 12,000 ratings! That speaks volumes about its quality and performance.

Pros and Cons of the Ovalware RJ3 Cold Brew Coffee Maker:


  • Easy to use: The simple 2-step brewing process makes it easy for anyone to brew delicious cold brew coffee at home.
  • Versatile: In addition to cold brew, the RJ3 can be used to brew hot coffee and tea, making it a versatile kitchen appliance.
  • Airtight seal: The airtight seal helps keep your cold brew fresh for up to two weeks in the fridge.
  • Durable materials: The carafe is made from borosilicate glass, and the filter is made from stainless steel, ensuring durability.
  • Dishwasher-safe: Both the glass carafe and the stainless steel filter are dishwasher-safe, making cleaning a breeze.


  • Tall filter: The tall filter can make it tricky to stir the coffee grounds, which may lead to uneven extraction if not stirred properly.
  • Fragile glass: While the glass carafe is durable, it can break if dropped, so handle with care.

In summary, the Ovalware RJ3 Cold Brew Coffee Maker offers a range of benefits for coffee lovers looking to make smooth and flavorful cold brew at home. Its ease of use, versatility, and durable materials make it a solid choice. Just be mindful of the tall filter design and handle the glass carafe carefully to avoid breakage.

So, are you ready to start brewing? Grab your Ovalware RJ3 and enjoy a refreshing cold brew anytime!

Disclaimer: This post contains affiliate links, which means I may receive a small commission, at no extra cost to you, if you make a purchase using these links. Remember to support us by purchasing through the Amazon/Walmart/Impact Radius links provided. Last update on 2024-05-22 / Affiliate links / Images from Amazon Product Advertising API

Disclosure: No compensation or free products were received in exchange for writing this review.


Editorial Staff

The editorial staff at Crazy Coffee Crave is a team of coffee enthusiasts & Baristas who enjoy the one thing we all think about as soon as we get up in the morning. Trusted by thousands of readers worldwide.