August 17, 2015
After whipping up a fried treat like gluten-free coconut-flour fried chicken wings, there’s more leftover than a killer snack—that oil-filled pan isn’t going to clean itself. Dumping it down the kitchen sink seems like the obvious answer, but don’t give into temptation.
Coconut oil and drain pipes don’t mix. At all.
Just look at any jar of coconut oil and see how it solidifies at room temperature. So if it gets poured down the sink and travels through the drain and pipes . . . yep, it hardens, eventually causing tough blockages.
Lucky enough to have a garbage disposal? Well even that doesn’t just make any and all trash go poof. All kinds of food can accumulate down there and turn into a heaping mess of gunk.
Though clogged plumbing is certainly an inconvenience, it isn’t the worst thing about this scenario. Putting the wrong items down the drain can severely damage entire sewage systems. And worse—even though it goes through water treatment plants, many of these substances can end up in waterways, altering aquatic ecosystems, harming wildlife, and even contaminating our drinking water.
So what exactly is safe to send down the drain? If it’s liquid, non-hazardous, not viscous, and not extremely acidic nor alkaline, it’s usually fine. Other than that, here are a few items that should never, ever go down the drain or in the garbage disposal.
Every year, up to 36,000 sewers overflow in the U.S., and about 47 percent of these are due to fat and oil buildups. Fats common in household oils—olive, canola, vegetable, butter, shortening, and even motor oils—break down into fatty acids that bind to calcium in sewers. These monstrous fat-calcium globs clog up sewage pipes. They’re called fatbergs. Enough said.
Instead of pouring this stuff down the sink, collect oils in a container and drop them off at a recycling center. The next best option is to take that container and throw it directly in the garbage. According to Rita Kampalath, Science and Policy Director for Heal the Bay, it’s actually better off in a landfill than in the sewers or waterways.
Although latex paint is water-based, it can still contain biocides that inhibit mildew, acrylics and vinyls, crystalline silica, and other additives that should not be poured down the drain. Absorb water-based paint with double the amount of clay cat litter and throw it in the garbage.
For oil-based paint, check with the State Department of Environmental Conservation or call the local city hall to find out about household waste collection day by neighborhood. Paint can also be recycled, so check with the aforementioned organizations about programs available locally.
Clean paint off of brushes and rollers safely by using a bucket of soapy water and a bucket of clean water to rinse, rather than a running faucet. Dispose of the buckets with local hazardous waste collections.
Coffee grinds can definitely clump up and end up clogging drains, especially if viscous liquids are regularly poured down there, too. There’s no need to send coffee grinds down the drain when they can be used for composting—they’re rich in nitrogen, which worms love.
Another use for coffee grounds: Add equal parts olive oil, grapeseed oil, or coconut oil to them and use the mixture as an antioxidant exfoliating scrub.
No matter how tiny, bits of vegetables like celery, rhubarb, asparagus, artichokes, chard, kale, lettuce, and potato peels should not be put in the garbage disposal. These fibrous or starchy vegetables can end up wrapping around the blade and cause a nasty clog that will be extremely difficult to clean out. Compost them instead.
Pasta and rice should also be left out of the garbage disposal, since water causes them to expand. They’ll just keep on soaking it up until they balloon into chunks that stay lodged in the garbage disposal. Grains can go in the compost.
Same deal with eggshells—they don’t belong in the garbage disposal. They are great for composting as well.
Never, ever put prescription drugs or other medical waste down the drain or toilet. Medicines and synthetic hormones have been detected in our waterways where they could be absorbed by aquatic wildlife, hindering their growth and reproductive health. “One of the most well-known effects is estrogen and similar chemicals altering female-to-male ratios in fish populations as well as being linked to more intersex fish—fish having both male and female characteristics,” Kampalath said. “This is why drug take-back programs are so important. People should take advantage of these programs whenever they’re available.”
So, think twice before sending anything and everything down the sink. If a drain disaster does occur, go for some trusty baking soda and vinegar as a bailout.
Photo credit: Paul Delmont
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