So I got my backpacking pack out, it is a 20-25 year old North Face internal frame pack. Unfortunately it has some mildew on it 
I was going to throw it into our front loading washing machine to clean it up a bit. Can I use a splash of bleach to make sure the mildew is killed?
Any better ideas?

I was going to throw it into our front loading washing machine to clean it up a bit. Can I use a splash of bleach to make sure the mildew is killed?
Any better ideas?
