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Your cart is empty.4.6 out of 5 stars
- #101,504 in Home & Kitchen (See Top 100 in Home & Kitchen)
- #33 in Cold Brew Coffee Makers
Product Description
Make cold brew coffee like a pro
The prep work takes about 1 minute. Then just let it sit overnight, and by morning you'll have cold brew coffee that tastes like the pros made it.
Filter: Hardened Stainless Steel. Not a mesh screen.
Say goodbye to those mesh screen filters. This stainless steel filter was built specifically for cold brew. The 200-micron holes resist clogging and allow water to circulate more freely, resulting in a strong cup of coffee. Plus, the filter's walls are sturdy and dent-resistant, so they won't tear or fray like those mesh screens.
Food Grade Silicone Cap
The unique cap design keeps grounds sealed inside the filter, so you don't risk them spilling into your coffee. It also works as a shock absorber to prevent rattling and protect the metal filter. The cap is made of food-grade silicone and is BPA free.
Compatible with Wide-Mouth Mason Jars
The do-it-all Mason jar serves 3 different purposes: coffee brewer + coffee cup + coffee storage. The Rumble Jar filter is recessed inside the Mason jar (instead of being perched on top), and that allows the Mason jar's legendary seal to work its magic and keep your coffee truly leakproof and airtight. And if you happen to break a jar, the good news is they're easy to find and cheap to replace. No more fiddling around with fragile proprietary glass containers that might cost a fortune or be impossible to replace.
Laura Mariani
Reviewed in the United States on June 24, 2024
I loved my first Rumble Jar so much that I bought another one! We use them every day to make cold brew in the warmer months, so now I always have a clean one ready to go. It's easy to use and the cold brew comes out great with minimal sediment at the bottom of the jar, and I love that it works with the mason jars we already have. The only thing that I would improve, if I had to give constructive feedback, would be that it is a little hard to see the fill lines on the jar. But this is not an issue for me because I weigh my coffee beans with a scale to get the perfect amount for every batch, which is what I would recommend everyone do anyway. I recommend this product to everyone!
lauren f
Reviewed in the United States on June 20, 2023
First thing first - I love coffee, but specifically I love iced coffee. Making iced drinks at home was challenging/a hassle because i don't want to invest in a big, bulky coffee maker with iced functions, and coffee pods. I feel they are horrible for the environment and are so wasteful of plastic (like the bottles of cold brew sold at the grocery store, as well). Because of my desire to make the best coffee with the least amount of waste, all of the coffee accoutrement I've invested in is metal, portable, reusable, and durable, like my bialetti moka pot percolator, and a hand coffee grinder for fresh ground beans.I decided on investing in the rumble jar too, to have unlimited access to iced coffee without a big financial investment or environmental impact. Let me say - the investment was SO worth the $20. I will bring this with me now wherever I go, along with my percolator. Not only is it an awesomely reusable option, it's durable, VERY easy to clean, and gave me the best cup of iced coffee I've had in a long time. It really feels like I have a full barista set up in my house with none of the equipment. At night, I grind fresh beans, dump them in the rumble jar/mason jar combo, agitate, and let it sit. (The agitation is really cool to see, also!!) It's such a low effort for high output of a large amount of excellent coffee. One mason jar for me is good for two days of coffee. It's strong, tastes amazing, and is so simple. From my perspective, it will be worth the purchase after 3 uses because I will have saved 3 plastic cold brew bottles from the grocery store. I am eager to see how well the metal will hold up, but the metal looks so much more durable than some of the dupes I've seen on Amazon or even Aldi.If you are searching for a reusable and SIMPLE way to make iced coffee all summer, here is your new thing!!! If you are searching for a coffee-making option for traveling/camping/eco friendly-ness, INVEST here.
MacGruber
Reviewed in the United States on November 17, 2023
Love this thing so much. I can make coffee so much quicker now and with less thought. I previously used the OXO cold brew maker and was finding after about a year that it wouldn't drain well, even using a coarse grind. Also, the plastic container holding the brew had gotten scratched pretty good on the bottom where I would scrape it to force it to drain. While the plastic was noted to be BPA-free, it still weirded me out what else could be leaching into my coffee from those scratches. It was just so frustrating.The Rumble Jar is consistent and there's no fuss about draining anymore. Being stainless steel, there's no worry about it leaching any chemicals, unlike the scratches plastic.Plus, since it fits in a mason jar, I can brew it in my fridge now. The OXO brewer was too large for my fridge, so I would brew on the countertop, making my first couple cups warm, which I didn't like. Now it's cold from the first cup using the RJ.Really easy to clean. I just dump the used grinds into my compost bucket and wash the rest out. It would be even easier to clean if the bottom was detachable, though.You can't really make concentrate with it like I could with the OXO since the water needs to cover the column. So, I brew it with grinds up to the second notch and don't dilute it. Filled with water to the top of the 64oz mason jar to brew, I get about 49-50oz of net coffee. It's the perfect amount for 3 days for me, personally.I wish the silicone lid fit on the top of it a little snugger. I have noticed once or twice that the lid had just about come off while brewing when I went to drain it. It has just a small lip that fits over the top. Be gentle with your inversions and fill the mason jar up to the very top with water to prevent that.I can make the coffee and drain it with this, both quickly and consistently. Quick and easy cleanup. Wish I had searched for something like this sooner.
EzBella
Reviewed in the United States on October 28, 2023
I absolutely love this “Rumble Jar” for my DIY cold brew coffee I make in my 1/2 gallon wide-mouth mason jars! It comes w/ excellent step-by-step instructions. An bag, that’s able to be turnt into an additional strainer(work’s excellent!) (: No Leakage of any grounds through the “Rumble”, very High End Product & Durability (which is great). As well as Beyond Excellent Product for the price you paid on it!Definitely recommend this product for anyone looking to DIY HOMEMADE ICED COFFEE, COLD BREW & ETC.Just don’t overthink it by this. Other companies or, competitors.. or nothing to stand up to this product. This gets five stars+! I can tell this person last a very, very long time!Thanks very much Rumble (:*And I look forward to purchasing an additional rumble jar. I am saying this right sorry in the future so I can make two jars of homemade cold brew at a time I can’t believe I’ve never came across this product is there excellent!!Thanks again for ever coming up with this wonderful invention!!With beyond kindness, and gratitude,Danniell K.
Gaz Don
Reviewed in the United Kingdom on August 6, 2021
The rumble jar is so quick and easy to use it should be used by anyone making cold brew coffee. The clean up is simple. It's one of the best products I have bought. I have had no need to use the cloth filter bag as the cold brew from the filter is perfect.Fill course grind coffee into the filter.( I like mine strong so I fill up to the 2nd mark and place in kilner jar. )Fill with bottled spring water then brew for 24hrs in the fridge or 12hrs on the counter. Easy as that.Buy it and you will not be disappointed.
Nicole
Reviewed in Australia on January 4, 2021
Being recommended this product from a colleague I was uncertain of how successful it would have been, alas I pleased to report i LOVE the product and would be again as a gift for my coffee loving friends.
Jemama
Reviewed in Australia on December 19, 2020
Excellent item - Christmas gift.
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