276575 Wed Feb 16 14:40:03 -0800 2005 2 31 Home Cooking 0 1459627 does anyone know how long tofu lasts once the container has been opened? Wed Feb 16 14:40:03 -0800 2005 0 pamplemousse 1 1459628 A few days at most, depending how you've stored it (and type/brand). Even in an airtight container, not very long. Smell it: if it's bad it will smell sour. If you've stored it in water and the water is turning murky/slimey, it's bad. Wed Feb 16 14:45:31 -0800 2005 1459627 0 nooodles 2 1459632 If you change the water (and you should store it in water) daily, you should be able to get a week out of it with no problem. Filtered water generally works out better if you're tapwater is noticeabley chlorinated. Wed Feb 16 15:18:17 -0800 2005 1459628 0 MikeG