Aerated Compost Systems

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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

North Wind Farm

Caledonia, WI

In a move to become more environmentally friendly, Melita B. and her husband built this Micro-Bin system to manage the manure and pine pellet bedding from their four "amazingly wonderful mares". The finished compost will be used in her vegetable garden and as stall bedding. The O2 Compost system ...

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Featured Project

Sonoma Valley Stables

Petaluma, CA

This ASP compost system uses a 4-pipe system to process the manure and bedding produced in one month from 40 horses on wood pellet bedding. While one pile is "cooking", an adjoining pile is being constructed and at the end of the month the blower is simply moved over and the process is repeated. ...

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Featured Project

Right Lead Farm LLC

Trout Lake, WA

Allyson B. owns two horses and boards six more. In her words, "that's a lot of manure". After boarding her horses at many show barns and experiencing the hard work of a poor manure disposal system, she was "keen to follow Peter's prescription for success". She tested our smallest Micro-Bin System...

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Featured Project

The Villages Polo Club

The Villages, FL

The Villages Polo Club has many horses coming and going during polo season. At max capacity they have 70 stalls filled. Paige M. reports that her Sterling compost system has eliminated the cost of manure removal service and fertilizer for the paddocks ... "two birds, one stone". Special features:...

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Featured Project

Simmons Road Farm

Edmonds, OK

Beverly and Kent K. purchased their cornerstone compost system in 2008 and constructed a four-bin composter using masonry block with a sliding lid. They compost the manure from their three horses, filling each bin in about a month’s time. While they use some of the compost on their pastures...

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

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