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7 Things You Shouldn’t Compost


Composting and organic waste collection have boomed over the past two decades in North America. Between 1994 and 2011, the amount of Canadian homes participating in some form of composting rose 38% encompassing 61% of households while in the US, hundreds of communities have implemented and organics collection program with some of the larger cities begun collecting compostable material to aid their Zero Waste goals.

While the list of what you can compost in your backyard versus a curbside collection organics program may differ slightly…or a lot depending on where you live, the waste hauler, what way the winds are blowing, who’s running for president, etc., some common elements should never be thrown on your compost pile or in your green bin.

*The following is by no means written in stone if you have a curbside collection program in your neighborhood, some of the listed items might be accepted by your program, check before you chuck!

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Meat & Milk Products

While meat and dairy products are perfectly biodegradable, they can attract unwanted pests to your backyard or green bin. If some meat scraps end up in your pile, or you’re ill-equipped to fight off an army of raccoons, try burying them to the bottom of the pile.

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Baked Goods

Like milk and meat products, wild animals have an affinity for baked goods just like you do, but if you find yourself throwing out a lot of cake, cookies and various other delicious baked goods on a regular basis, wild animals are probably the least of your worries.

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Treated Sawdust

Or, treated wood or wood scraps that have been turned into sawdust. The chemicals used in the treatment process can compromise the integrity of your “black gold” rendering it useless for future use. Untreated wood scraps and sawdust, on the other hand, are A-OK for the compost.

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Highly Acidic Foods

Citrus fruit, tomato products and pickled food products can do harm to your compost. High acidity can actually kill the good bacteria that helps break down the material in your compost pile.

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Oils & Greasy Food

The ecosystem of your compost requires a certain amount of moisture for its contents to decompose properly. Oils can mess with this delicate balance so keeping grease away from you compost pile is essential for its well-being.

And at the risk of sounding like a broken record, critters are also attracted to the smell of grease so unless you’re trying to attract and recruit raccoons to be a part of your “army of the night” then by all means for it. *

*Busch Systems cannot be held responsible for any injuries sustained while attracting and training wild animals to do your bidding.

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Pet & Human Waste

While human and pet waste is “organic” do you really want the remnants of Taco Tuesday to be spread all over your lawn and garden in the near future? Probably not.  Besides the fact that the idea just stinks, pet and animal waste can create a health risk, rendering your compost pile completely useless (and unbearably smelling).

Your neighbors will thank you for it!

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Yard waste usually makes a huge portion of your medley of organic material in the backyard and while it makes sense to throw leaves, plants and sticks and other greenery into your compost bin. Be wary of throwing weeds into the mix since they could potentially take root and start to grow throughout your organic waste, putting the quality of your mound in jeopardy.

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So whether you’re composting for your garden or have an organic collection program to help alleviate the amount of trash going to your community’s landfill, keeping the above items out of your compost will get you on the right track.

And always remember ladies and gentlemen – “Check before you chuck”.

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“32 Surprising Things You Can Compost and 16 Things You Shouldn’t.” Care2. http://www.care2.com/causes/32-surprising-things-you-can-compost-and-16-things-you-shouldnt.html Accessed August 2, 2016

“Garbage & Recycling – Compost.” Barrie. http://www.barrie.ca/Living/GarbageAndRecycling/Pages/Composting.aspx Accessed August 2, 2016

“11 Items You Shouldn’t Compost.” Organic Authority. http://www.organicauthority.com/sanctuary/11-items-you-shouldnt-compost.html Accessed August 2, 2016

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