Recently converted to climmax. Great stuff.
What bassdude said.
This is what I do to my new humis each time I get a new one:
1. Soak a good sized sponge with distilled water.
2. Wring it out, but leave a good amount of moisture in it.
3. Place it on a baggie in the bottom of the humi for about 24-48 hours.
4. Take it out and watch the hygrometer fall slowly.
5. When it hits about 68%, throw your climmax and your smokes in there and you should be good to go.
This has worked for me every time.