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The Substrate Trial Journal

Eight materials, one question: what should the floor of a chicken run be, if it has to survive getting soaked? This journal is the documentation of the trial I am running at my own coop: the methods, the numbers, and the failures, published as they happen. No winner until the data says so.

October 23, 2026

The Shake Test: Eight Jars, Sixty Seconds, One Material That Embarrassed the Rest

The first hard numbers of the trial. Eight jars, sixty seconds of hard shaking each, ranked by the dust and fines they shed, and one material that barely shed anything at all.

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October 20, 2026

Why I Ripped Out My Sand: The Substrate Trial Journal Begins

A nor'easter soaked my run right before the winter panels went up, and the sand never recovered. Instead of guessing at a replacement, I am testing eight materials head to head, with the rules published in advance.

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