How often should you clean (soap + water) a reusable water bottle?

>>39439762
if it's plastic, you should throw it out.

>>39439863
stainless steel. its similar to a canteen

every 12 hours

>>39439882
i think i cleaned by sigg 1-2 times per week.

>>39439950
that's reasonable. I asked because i just realized that i haven't washed my bottle for a couple of weeks. The water was starting to taste a little funky