Drying pinblock before stringing

[Robert Scott]

Thump wrote:

 > I keep my "Stringing Parlor" at about 32% RH with a
 > Kenmore dehumidifier, which expels through a hose and
 > a hole I drilled through the wall. My theory is to pin
 > with the block nice and dry, so humidity will later
 > swell it and make better grip. Might cut down on fiber
 > damage to the holes as pins are driven, too, as the
 > holes should expand when the block is so dried out.

How long do you wait for the block to "dry out" in this environment before 
you start stringing?  I imagine it takes weeks for the 32% RH to affect the 
thick block?

-Bob Scott
  Ypsilanti, Michigan