Are Countertop Composters Worth It? I Calculated My Food Waste for a Week to See – CNET

Most of a head of romaine lettuce I had every intention of using before I left town for a week, then didn’t, because cheese > salad. The last handful of a pint of grape tomatoes, attempting to dehydrate themselves in the crisper drawer. A third of a bag of broccoli florets, depressed from lack of use, subtly browning at the edges. The paired heels of a fancy loaf of bread, too stale and suspect to even consider for croutons. A red onion that defied its reputation for long storage by daring to rot on top of the microwave. Not to mention certain jarred goods whose expiration dates definitely weren’t this calendar year.

Read moreHow to Start a Compost Pile: A Beginner’s Guide

Prior to last week, these nearly 2 pounds of food waste that I’d unwittingly generated would have been fodder for the trash, destined to methanize — not a real word, but should be — in their plastic garbage bag coffin. Instead, they went by way of a new Lomi Bloom countertop food recycler bound for a more noble future as plant fertilizer, rather than as catalysts of global warming.

Why you should consider getting a countertop composter

chicken bones in mill bin chicken bones in mill bin

I was pleasantly surprised find the Mill bin had pulverized these chicken bones after one grind and dry cycle.

David Watsky/CNET

It’s tempting to believe that food waste is harmless — it’s all biodegradable, right? It’s not despicable like unrecyclable plastic or other materials that don’t break down over time. Except that food waste, according to the Environmental Protection Agency, accounts for nearly 60% of greenhouse gas emissions coming from landfills. It’s a harsh reality, especially for those of us who live in areas without a compostable food collection program or who have no appreciable green space with which to tender our own compost.

Obviously, my first batch in the Lomi wasn’t representative of that which I’d toss in an average week, but it was perhaps representative of a bi-monthly fridge clean-out. Those 29 ounces of food waste were reduced by about 85%, down to only 4 ounces of dehydrated material, suitable for adding to potted plants (alongside mature fertilizer since Lomi’s output dirt alone can’t support plant life), gardening beds or at worst, back to the trash, but rendered a great deal less potent by their transformation.

But how much food waste can one person generate at home?

lomi above shot of dirt lomi above shot of dirt

Countertop composter is a bit of a misnomer as this dirt made by Lomi is not ready to support plant life just yet. 

Pamela Vachon/CNET

I ran my Lomi Bloom, which has a capacity of 3 liters — a little less than a gallon — four times during my weeklong trial, so that’s saying something already. While the first batch was mainly composed of expired food rather than day-in-day-out food scraps, I still filled it to a point where it was worth running at least two other times. (The third is purring away as I type this.)

In one week I generated 91.2 ounces of food waste, or 5.7 pounds. That’s coming pretty close to the 325 pounds a year estimated for myself alone when multiplied by 52, without factoring in food that I also inevitably waste when dining out. After the composter, those 5.7 pounds became a mere 20 ounces. 

The verdict on owning a countertop food recycler

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