it would be a good reason of existence for the still. if the people start using bleach to disinfect water they will soon think about using it on their wounds and may asked you if you can do it anyway. just using normal water and bleach would be far to easy. but do as you like. your mod is great as it is. i would loved to make it myself but i dont have a clue about modding. if somebody else knows how to make it, you are welcome.