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Re: Help Preserving Book Collection
Shirrif
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Morinehtar wrote:
How important is that older books with brown pages and spots (can't tell if due to mold or something else) are in a different bookcase than newer collectibles in Fine condition?

I guess I should buy something to measure the RH in the room. No other way to know, really.

Why are you more concerned about UV than mold?


Not important at all, IMHO (although I don't have many books with foxing, as I prefer to avoid them where possible).

Mold will not grow in low RH environments. No excess humidity = no mold, and is the biggest reason for not allowing high levels of moisture in the atmosphere around your books.

Posted on: 2016/9/21 17:15


Re: Help Preserving Book Collection
Just can't stay away
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Finally bought a device that can measure relative humidity and temperature, and records daily highs and lows. Will report tomorrow.

Posted on: 2016/10/9 17:10


Re: Help Preserving Book Collection
Shirrif
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Morinehtar wrote:
Finally bought a device that can measure relative humidity and temperature, and records daily highs and lows. Will report tomorrow.


Unless it expensive and calibrated expect it to be not terribly accurate. It might be, it just probably won't be. Both my dehumidifiers read about 5% different from each other (same brand and model).

Posted on: 2016/10/9 17:22

(edited)


Re: Help Preserving Book Collection
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Results:

RH oscillates between 39-50%.

Temperature oscillates between 70-80F.

Posted on: 2016/10/10 18:30


Re: Help Preserving Book Collection
Shirrif
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Morinehtar wrote:
Results:

RH oscillates between 39-50%.

Temperature oscillates between 70-80F.


If accurate, those figures are fine. Ideally, maybe 45% or below at the top-end, but I wouldn't get stressed about that.

Posted on: 2016/10/10 18:49



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