327. Filtering Water

46:31 If it is known that there are insects in a well or a river, the water must be filtered before drinking. If one cooked with this water without filtering it, the food he cooked may not be eaten. One may also not use this water to soak meat or wash other food. 46:32 When one filters the water, he must be sure to filter it through a cloth that won't allow even the smallest insect to get through.