Storing a ST

What is the best humidity to store a Sefer Torah?

Comments

  1. Hi Zev,
    Ideally, 45 to 55 percent humidity. Sixty percent is still good, no more. Once the relative humidity increases to 65 percent, the intake of moisture by the parchment rapidly increases, and at 68 to 70 percent, the danger of growing mold becomes a serious concern.

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  3. I recall seeing a list many years ago put out by klaf Yaakov that suggested klaf be stored at around 50% humidity.

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