Thank you for commenting on my ink article. In your comment you stated: "Many poskim disagree... Many rishonim have clearly stated the use of our ingredients." Would you please be kind enough to teach us (so I can include it in the article) which Poskim and what exactly and where did they say that the עפצים וקנקנתום type of ink is preferable over good quality דיו עשן that does not fail? We are not interested in biased פילפולים , or in those who said that דיו עשן is not being used because it fails easily or because it was not known how to make good quality דיו עשן. Nor are we interested in those who said to use עפצים וקנקנתום וגומא ואין לשנות when they discussed specifically the עפצים וקנקנתום type of ink. We are interested to find out where and who (if any) said explicitly, based on sources, that the עפצים וקנקנתום type of ink is preferable over good quality דיו עשן , even when there is דיו עשן of good quality that does not ...
Hi Zev,
ReplyDeleteIdeally, 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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ReplyDeleteI 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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