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The Best Kitchen Composer (2025), tested and reviewed

Countertop kitchen The combination is a lovely vision. Instead of raising vegetable crumbs and coffee grounds to the backyard, you can put them all in an uncertain moment, and then you will provide a wealth of nutritious composting in the garden.

Unfortunately, none of the more popular motors on the market do this. Even though some of these devices are sold as “composers” and have instruction manuals and applications detailing all the ways in which compost can be used, the vast majority of composers in the kitchen grind and dry food pieces. The amount of your waste output will be greatly reduced and will not smell again, but if you want to put the eggshell and banana peel into the machine and magically dig out the kind of real compost you bought in the center of the garden, that won’t happen.

That is to say, you able Mixing a small amount of these ground into potting soil is small or using it as a feeder for “real” compost, but most of these machines are for people who reduce the amount of food the family produces. This is a reasonable goal in itself, as abandoned food accounts for 24% of municipal solid waste, resulting in methane release, a destructive greenhouse gas as it breaks in landfills.

Or maybe you just want to keep the food floor odor-free and shelves stable before adding it to the green waste bin for municipal compost or backyard compost. In any case, despite critics’ shouts about Green and the company’s Astroturfing, the devices still have value. They make people more aware of their food waste. They use less power than you might think (typical 1 kWh). And our preferred Reencle Prime (8/10, wired suggestion) that even produces something closure compost.

Keep reading for our evaluation and once completed, check out some of our other kitchen-related guides, including the Best Coffee Machine, the Best Toaster, the Best Meat Subscription Box, and the Best Cutlery Kit Delivery Service.

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How do I test it

I am a senior business editor at Wired, responsible for home and kitchen equipment and have been reviewing products for the last 10 months for our gear section. I cook for a family of three every day and I have been dealing with our kitchen scrap in my home kitchen since the summer of 2024. Each person was tested for at least four weeks in a typical home use, in several cases, six weeks or more. I tested all the cycles offered and according to the manual, I allowed a variety of foods, in the case of Reencle and The Mill, and even tried using finished products from my yard and houseplants (with different effects).

Table of contents

Overall best

As mentioned, none of these machines really use off-the-shelf compost, but Reencle Prime (8/10, wired suggestion) is closest to traditional compost bins. In the years that South Korea appeared in the U.S., Reencle arrived at a bag of Reenclemicrobe (which can be purchased separately for $65) that contained patented microorganisms of activated carbon, wood pellets, glucose and trio, ready to fall. There is also a pre-filled carbon filter that can be inserted into the back.

At 14 x 15 x 22 inches, the prime number is too large for the kitchen counter, but can be easily operated like a heated trash can. The cover can be opened by the sensor at the bottom or buttons on the control panel and open in your organic matter. That’s it. There is no loop, tablet or auxiliary bucket to worry about. Even the app is completely optional. Within a few hours to days, according to the project, the waste is broken down into materials similar to the cross between dirt and sawdust.

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