Compost Heater Heats a Hot Tub

Food Garden Life Show: Helping You Harvest More from Your Edible Garden, Vegetable Garden, and Edible Landscaping · Oct 28, 2021 · 30m

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A wood-chip compost pile steams up this hot tub.

Today we visit a Colorado garden at an elevation of 6,500 feet.

Tom Bartels harvests 1,000 pound of fresh produce a year from his 1,300-square-foot garden, even though he has only 130 growing days.

Bartels uses a large amount of compost in his garden to maintain healthy soil. Much of that compost comes from wood chips.

But wood chips do more than feed his soil: They generate heat as they…