CaCl2, Drierite, or Silica Gel = best dessicant?

[Jonny P]

An alternative is Phosphorus pentoxide....an excellent dessicant but not the
safest thing in the world (without gloves anyway!).

jonny

Fun Science <biotech at idirect.com> wrote in message
news:a7o07.120266$W02.2181224 at news1.rdc2.on.home.com...
> Hi - here is another question about building the dessicant.
>
> *****
>
> Which product is better to place into the glass sealed bottles ?  Which
one
> will
> a) last longer
> b) is safest
> c) absorbs most moisture
>
> I am now debating which raw material to use and what quantity per volume
> space.
>
> Cheers to all who help.
>
>