How do Tumbler Compost Bins Work?

Tumblers are composting bins that are manually flipped, spun, rolled or crank-turned for aeration, depending on the style. These bins do not require turning with a pitchfork or auger, instead, the entire compost bin is turned for aeration. There are several variations on this theme. Spinning Tumbler This tumbler is spun around a central axis.…

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