On Sat, 7 May 2016 16:02:18 +0100, GB
wrote:

On 07/05/2016 14:36, Bert Coules wrote:
Many thanks for the speedy replies. I was thinking of a loose tent-like
protective cover rather than completely enclosing the material with
plastic, but on reflection (and if it proves practical) perhaps the
latter might be better.

Are silica gel bags commercially available? I'll check.


Rice might do, instead. (Uncooked!)

Poundland do a pretty effective de-humidifier crystal tub thing [1] if
you were going for the 'sealed' solution.

Cheers, T i m

[1] As in it seems to fill with water pretty quickly when left in any
damp environment.