Is ANY water safe to drink if you filter it through something like a sieve to get all the bits out and then boil it, or does this only work with relatively clean water. I was thinking of going for a camping trip with my mates soon and there is a small stream running near us. However going further up stream it does seem to look pretty nasty at certain bits. Do you think if I sieve the water and then boil it a few times it will be safe to drink or am i better just taking my own water (only a couple of nights in a nearby woodland)
thanks
thanks