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What’s the Best Way to Clean Ecofriendly and Reusable Kitchen Products?

Keep your reusable water bottles, straws, and Bento boxes bacteria-free.

Person refilling a reusable water bottle with water.
DANIEL LEAL-OLIVAS/Getty Images

As someone who considers a “hand-wash only” label on clothing a deal-breaker, I find myself in a quandary when it comes to ecofriendly, reusable products like stainless-steel straws and bento boxes. I want to do the right thing for the environment and not just throw containers away, but I’m also too lazy for elaborate cleaning. According to Jennifer Zamudio, owner of reusable goods brand Dot & Army, I’m not alone. “A lot of people get nervous because they’re like, ‘It’s going to be more work, and I’m already busy enough,’” she says, “but I think we overthink things. You’re already doing laundry; you’re already washing dishes—it’s just a few extra items. Your extra set of cloth napkins is not really going to make that much of an impact to the laundry you’re already doing.”

To demystify the cleaning process, I asked Zamudio and three other ecofriendly product experts for their advice on how to clean our reusable things. They all offered extra-simple tips and affordable solutions that even I can handle.

Best Products for Cleaning Water Bottles

RiceSelect Arborio Rice.

Because it’s been a while since I’ve washed either the stainless-steel bottle that lives on my desk or the one in my gym bag, it was a wake-up call hearing Angelica Mastronardo (office manager at Black + Blum, makers of some of our favorite Bento lunch boxes and steel thermoses) say that “bottles should be cleaned on a regular basis, at least once a week, to avoid bacterial growth, especially in hot weather.” She says the most natural way to clean bottles or thermoses is to fill them with a tablespoon of dry rice and a tablespoon of water, and then shaking vigorously. “The rice acts as an abrasive and should get them gleaming again,” she says. “When done, swill it out into a little sieve, and the rice can then be composted.” Follow up by rinsing with hot water and soap.

BUY: RiceSelect Arborio Rice, 32-Ounce (Pack of 4)
$34, Amazon

Riedel 1-3/4-Inch Bottle Cleaner Beads.

Beads like these, made from stainless steel or copper, will do the same job as rice, and they can be reused.

BUY: Riedel 1-3/4-inch Bottle Cleaner Beads
$10, Amazon

Pure Organic Sodium Bicarbonate.

To sanitize your bottle, Mastronardo says to fill it with a mix of boiling water and a teaspoon of sodium bicarbonate, wait an hour or two, and then rinse it out. She adds that dental cleaning tabs will also sanitize and deodorize.

BUY: Pure Organic Sodium Bicarbonate
$14, Amazon

Best Products for Cleaning Beeswax Wraps

Common Good Dish Soap Bergamot.

Instead of going through rolls of Saran wrap for lunch sandwiches or baked goods, beeswax wrap—which adheres to itself with a bit of rubbing—is an ingenious natural alternative, and luckily, beeswax isn’t that hard to clean. Zamudio rinses hers with lukewarm water and Common Good dish soap. “I like using it because it’s a little more liquid-y, and not as thick,” she says. “It’s nice and natural-smelling and is plant-based.” She does recommend replacing your wraps every six months, but the old ones can be composted or cut into strips and used as a fire starter.

BUY: Common Good Dish Soap Bergamot
$12, Amazon

Twist Scrub Sponges.

For stubborn food bits stuck on the wraps, Bee’s Wrap founder Sarah Kaeck turns to a gentle, but effective, scrubber. “We use the Twist scrub sponges at the office,” she says. “They’re made from plants, dye-free, and biodegradable.”

BUY: Twist Scrub Sponges (6-Count)
$10, Amazon

Best Products for Cleaning Cloth Bags and Napkins

Seventh Generation Concentrated Laundry Detergent, Free & Clear Unscented.

Produce stored in cloth bags lasts longer and doesn’t get slimy like vegetables kept in plastic, and cloth bags are also among some of the easiest ecofriendly products to clean. “Put them in the washing machine, cold, and then take them out and line dry,” says Sharon Rowe, founder and CEO of Ecobags Products, Inc. “You can put them in the dryer if you want, but they do shrink.” Rowe, whose company sells produce bagsshopping totes, and lunch sacks, says she likes using detergent from Seventh Generation because “they’re concerned overall with the environmental impact of their products.” The same detergent can also be used to hand-wash bags if a washing machine isn’t an option.

BUY: Seventh Generation Concentrated Laundry Detergent, Free & Clear Unscented
$13, Amazon

Common Good Laundry Detergent.

Cloth napkins and “unpaper” towels can also be simply thrown in the washing machine. Zamudio is a fan of Common Good’s detergent. If a napkin has a tough stain, she’ll rub a few drops of detergent on first before putting it in the wash.

BUY: Common Good Laundry Detergent
$24, Amazon

Best Products for Cleaning Straws

Seventh Generation Dishwasher Detergent Gel.

If you’re ready to give up plastic straws and don’t want to go the Twizzler route, glass and stainless-steel versions are classic-looking and ecofriendly alternatives. And if you buy a quality straw, they aren’t that difficult to clean either. Kim Erickson, director of marketing at Simply Straws, says that “the nice thing about glass [straws] is that they are so strong and durable that they are fine in a dishwasher.” As long as they’re on the top shelf or grouped with utensils, she says she’s never had any issues putting them in the dishwasher, and that the same process will work with stainless steel. Like Rowe, Erickson likes Seventh Generation because it’s natural and nontoxic, with no synthetics or fragrances.

BUY: Seventh Generation Dishwasher Detergent Gel, Free & Clear (Pack of 6)
$28, Amazon

Bragg Organic Apple Cider Vinegar, Raw & Unfiltered.

For hard water stains and mineral buildup on glass straws, Erickson recommends washing them in a vinegar bath—a solution of one part water and one part vinegar. Organic and nontoxic, apple-cider vinegar naturally disinfects glass while its acids break down buildup.

BUY: Bragg Organic Apple Cider Vinegar, Raw & Unfiltered
$8, Amazon

Hiware Drinking Straw Brush Set.

Most reusable straws you buy will come with their own brushes, but how to clean them? An apple-cider vinegar bath, once they’ve done their job, is the expert-recommended solution.

BUY: Hiware Drinking Straw Brush Set
$5, Amazon

Simply Straws 10-Inch Sleeve.

Keeping your straw in a sleeve protects it from getting dirty or damaged in a crowded bag—and is also a sustainable way to carry a used straw if you don’t have time to clean it on the go. Erickson says the Simply Straws sleeves are also machine-washable.

BUY: Simply Straws 10-Inch Sleeve
$25, Amazon

Best Products for Cleaning Bento Boxes

Ecover Washing-Up Liquid Lemon & Aloe Vera.

Because the high temperature of dishwasher water can warp and distort Bento lunch boxes, Mastronardo recommends hand-washing them instead. For food stains, she says that “the first wash should always be with cold water. It sounds strange, but hot water will make the residue cling on even more. Once most of the oily residue has been removed, you can then use hot soapy water.” She likes this environmentally friendly soap made from biodegradable, plant-based ingredients.

BUY: Ecover Washing-Up Liquid Lemon & Aloe Vera
$8, Amazon

NUMU Wooden Cutlery Set.

To prevent future stains, Mastronardo advises eating with reusable wood cutlery instead of metal, as “metal cutlery will scratch the surface of the box and those tasty, colorful juices will sink into these scratches and will be almost impossible to remove.”

BUY: NUMU Wooden Cutlery Set
$13, Amazon