Phil, as a fellow rebreather user, I agree! l8ter sparky Phil Nuytten wrote: > Alec: > You want 6-8 mesh Sofnolime. ( that is not that 6 or 7 or 8 mesh > will do . . '6-8' is a designation that the batch contains granules that > range between . .you guessed it ! 6-8 mesh.) You order as "6-8". BTW, This > general scrubber thread is fascinating and not a little disconcerting . . > Phil Nuytten