Aerated Compost Systems

For Every Type of Organic Waste; for Every Scale of Operation; And For Every Budget

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All of our composting systems are designed to be simple to operate, with a focus on “chore efficiency”.
With aerated composting, turning the pile is unnecessary; in fact, turning the pile impedes the composting process.

All of our composting systems convert raw organic residuals into stable compost in roughly 60 days, yielding a nutrient-rich product that is effectively free of pathogens, parasites and weed seeds. In addition, our composting systems mitigate impacts to surface and ground water resources, significantly reduce vectors (i.e., flies, birds, rodents and larger wildlife), and eliminate offensive odors.

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Featured Project

Valley View Farm 2

Midway, KY

The O'Briens' have 32 horses that utilize acreage that is divided between a valley and a hill top. To better accommodate both areas on their property, they constructed a second Cornerstone Compost System. They also incorporated a paddock sweeper into their routine which has added more waste volum...

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Featured Project

Cart Wheel Farm

Oregon City, OR

Krista T. was looking for an easy way to handle the manure and bedding from the 10 horses at her new facility. She plans to use the finished compost from her Cornerstone system on the fields and tracks around the barn. Her feedback: "I love how easy this system is!"

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Featured Project

Lenz Compost

Stanwood, WA

For many years, Tom Lenz and his son Jason "composted" paunch waste from a local meat packing plant. Their method of composting was to "stack it and leave it for a couple of years", which lead to a compliance order with the County Health District. After several years of designing a municipal comp...

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Featured Project

Durntootin' Compost

Spring Valley, CA

Ken and Val K. compost the manure and pine bedding from six horses in their Benchmark system. They plan to sell the finished compost. Ken picks up the manure from the pastures on a daily basis and says "We have the cleanest pasture in the area!"

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Featured Project

Three Horse Farm

Salem, OR

Michael H. brought his three horses (an Arabian, a Percheron and a Clydesdale) home from a boarding facility that had the inevitable unsightly "manure mountain". Wanting to avoid that mess at his home, he chose to construct three hexagonal O2Compost Micro-Bins, which do a great job of keeping up ...

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See what this equine owner has to say about her O2 compost system:

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We will contact you to schedule a time to talk about your specific needs and to answer all of your questions about composting. We look forward to hearing from you!

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