Originally Posted by ljsunflower

You store those types of things in buckets. You can find food grade buckets at restaurants, delis, bakeries, etc. Or you can buy the mylar bags & line the buckets with them. We've used the Homer buckets you get at Home Depot before. If you put your sack of flour or whatever down in your freezer for a day or two, it will kill whatever bugs or eggs happen to be there.