> From: "Farrell" <mfarrel2@tampabay.rr.com>: > Just one thought Charles. If you are using one of the little $30 > hygrometers out there, I would not attach too much significance... Good point. I have to remind myself that 39% or 45% might all refer to an actual RH of 42%. So I try not take it too seriously. If I really wanted concrete data, I'd have several sensors placed in different parts of the piano, logging the RH every 5 minutes or so. Since I don't want to go that far, I'm throwing in a little intuition into the picture, by generally "getting a feel" for what's going on, based on how I've seen things behave. One thing I've learned is that there are tons of variables. As for drafts, there are no real drafts like you'd get from a window that has a leak, but there are large volumes of air that move around in the room due to temperature changes and open doors, etc. That's probaly worse than a draft, even. And I have the piano around 6" from the wall, so lots of air can move behind it, taking the soundboard's precious humidity with it. I only have a short while left of this dry weather, so I want to wrap this up before the humid weather comes with new challenges for me! Charles
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