I take calculated chances - this has been debated, HYOH - and use iodine when I think I need to. So I really can't recommend, sorry. - Gary from Fairfax, who hasn't gotten sick from bad water yet, knock on wood Jim Lynch wrote: > What is recommended for a better/lighter water filter? >> >>> Water filter (MSR) 1 16.2 16.2 1.01 >> >> Too heavy.