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Matt Hickman

The spring purge: Roach killer

Keeping a clean home is the best way to keep cockroaches at bay. But if the nightmarish critters have somehow found a way in, avoid annihilating them with toxic insecticides.

Thu, May 06 2010 at 1:28 PM EST
 11

Image: Uninen
Welcome to the particularly squirm-worthy sixth installment of a series of special “spring purge” posts. The topic? Environmentally dubious household items that you might want to take a second look at while tackling spring cleaning duties. And when I say “take a second look at,” I mean you should reconsider using and/or replace with a more eco-sensible alternative.
 
Thus far, I‘ve recommended a household purge of antibacterial cleaning products containing the chemical triclosan, aerosol air fresheners that can compromise your health through lowered air quality, toxic oven cleaners, caustic drain openers, and a partial purge of the common paper towel roll. Today I'm taking a look at a purge-worthy item that you actually use for purging — or more realistically, annihilating — when your home is under attack by the dreaded "C" word: cockroaches.
 
There's no doubt that the bugs themselves elicit stronger "I need this out of my house now" responses than the chemical-based commercial solutions meant to eradicate them. But remember that the very product you use to poison cockroaches can also poison you. To those who have ever crawled trembling into bed amongst the hissing of roaches, clutching a can of Raid: I feel your pain. But this spring, I challenge you to purge roach-killin' insecticides from your home and opt for less toxic solutions. 
 
Like other questionable household products composed of synthetic chemicals, the threat to human health posed by roach killer often trumps any kind of possible detrimental eco-impact. That’s not to say that household insecticides are good for the environment, but when it boils down to it, the choice to treat or not to treat a roach infestation with a popular brand like Raid is primarily a health issue.
 
So what’s in a flammable aerosol can of Raid Ant & Roach Killer, you ask? The most notable active ingredient is Permethrin, a synthetic neurotoxin and likely human carcinogen that's been linked to Parkinson’s disease. Headaches, nausea and seizures can occur when humans are exposed excessively to Permethrin. Additionally, the chemical is extremely toxic to aquatic life (water contamination is the main eco-threat) and to cats. Information on other toxic active ingredients in Raid can be found at PAN Pesticides Database. Raid also contains various “inert” ingredients that include petroleum distillates as well as synthetic fragrances to mask the chemical fumes with a “Country Fresh” scent.
 
There are plenty of less toxic ways to annihilate and/or repel roaches — including good ol’ Black Flag Roach Motels where "roaches check in, but they don't check out" — than resorting to kitty-killing, water-polluting chemicals in a can. These methods — a few notables ones are listed below — may not offer immediate results or be as convenient as chemical insecticides, but you'll be left with peace of mind that you're not inadvertently poisoning your family, pets and Mother Nature. 
  • Borax/boric acid and sugar: Applying a mixture of borax (the poison) and sugar (the bait) to roach-infested hotspots is an economical, eco-friendly and effective solution. Chances are, you might already have borax around the house for natural cleaning and laundering purposes. But take heed: Borax isn’t completely nontoxic, and should be used with caution in homes with young children and pets.
  • Geckos: Yes, geckos. If you’ve always wanted a pet reptile, set a gecko or two loose in your house and watch your roach nightmare disappear. After they’ve done their job, you’ll need to provide a habitat and food for your new lizard.
  • Bay leaves
  • Epsom salt
  • Diatomaceous earth
  • Baking soda and sugar
  • Roach balls
  • Take preventive measures: Avoid roach infestations by keeping a clean and tidy house. Don’t leave food out, keep your fridge and oven spic 'n' span, vacuum and sweep frequently, take out the trash, fix leaky faucets, seal cracks in walls and baseboards, and don’t leave watery messes since roaches need water to survive. Although it’s geared toward kids, the EPA offers a pretty nifty roach prevention guide.
Any other eco-friendly roach-control tips that I left out? 
 
MNN homepage photo: davidnay/iStockphoto; MNN homepage photo: davidnay/iStockphoto
 
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Related Topics: Green Cleaning, Home improvement, Insects, Pesticides, Toxins & Chemicals

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anonymous
Andrea 05/22/2010 17:34 PM

After a roach sighting in my new apartment, we dealt with the intruder and sprayed the house with Raid. The next day, my roommate (who sprayed the entryway of the home) had swollen hands, my nose would NOT stop running for two days, and my poor 4 lb poodle had to go to the vet because she couldn't stop scratching herself (the chemicals turned her skin red and irritated it like crazy). Don't take your chances. Use something natural and protect yourself, your children, and your pets.

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anonymous
Mike 05/07/2010 13:17 PM

Pyrethrin is one of the least toxic and *natural* insecticides. It breaks down quickly in the environment and it is relatively friendly to all mammals. Boric acid is also really good stuff and the sugar-boric acid mix is also really good at taking care of ants. I for one would love to see bay leaves, baking soda, or epsom salts stop roaches.

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anonymous
katy 05/07/2010 12:42 PM

Did you know you can actually be allergic to roaches? Check out this article about safe ways to detox your home and integrative pest management: http://www.naturalsolutionsmag.com/articles-display/15613/Is-Your-Home-T...

BTW, house centipedes are totally scary looking!

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anonymous
Giedre 05/07/2010 10:03 AM

Once the food source is gone, and they have gone hiding somewhere in your home, and the weather gets cold, you have nice little dead geckos. Only use them in areas where they are normally found. You don't want to add new species to the environment as well, like people did with green iguanas and burmese pythons in South Florida.

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anonymous
Blu 05/07/2010 03:30 AM

This household has been using tokay geckos for years, living near the mississippi river makes it an impossibility to keep those nasty critters out of your home, so, geckos were our answers... 2 of them.

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anonymous
Jean 05/07/2010 00:21 AM

Most pesticides give me splitting headaches, so when I lived in California, I had to learn or invent pesticide-free ways of dealing with a roach population which, when I moved into my apartment, probably outweighed me, and I'm only slightly exaggerating. I put boric acid inside outlet boxes and anywhere else roaches might get to. I caulked EVERY crack -- don't forget that roaches can hide, for instance, between your toilet tank and the wall. I fixed a leaky pipe. I sealed all wall.... More

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anonymous
MEL 05/06/2010 23:45 PM

I've heard that Hedge Apples will repel roaches. Apparently, so will catnip, but spraying catnip tea around your house will drive your cats nuts.

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anonymous
Natalia 05/06/2010 22:27 PM

I've got a crazy amount of wolf spiders and assorted other house spiders living in my walls. Never seen a cockroach, but we do get earwhigs. My daughter wants to be an entomologist, so I'm "not allowed" to kill all the bugs.

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anonymous
Bob 05/06/2010 21:51 PM

Your fear-mongering is utterly irresponsible.

Yes, permethrins are neuro-toxins...that's how they kill bugs. But the concentrations from a can of bug spray are very low (remember, you're killing bugs, not cats, dogs or people). But, much more importantly (and something you never mentioned, probably from ignorance of chemistry) is that permethrins break down, very quickly, from the naturally abundant solar radiation all around us (specifically, infrared, if I remember.... More

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anonymous
Travis 05/06/2010 21:25 PM

Try House Centipedes. They don't eat human food, or feed on humans. They live up to five years, and they eat other bugs. Roaches, Bed Bugs, Silverfish, Ants, Spiders, and anything else they can catch. That's their purpose in life, to hunt and kill other bugs. They might look a little scary, and they move really fast, but they're great! Just make sure they're House Centipedes, and not normal ones. :)

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anonymous
Gill Avila 05/06/2010 21:19 PM

For years I've used fine powdered boric acid--the roaches move around and generate static electricity which make the powder stick to their bodies and suffocates them. When the eggs hatch they suffocate, too. I've used it for 30 years; as long as the powder stays dry--no roaches.

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