for tranime..
or any other sodomite out there.. parasites, algae, fungi.. these are the most common. especially if you have plastic water lines instead of copper.
as far back as anon can remember growing up as a base brat and then a farm kid, anon's mom would deworm the family once a year. yup, the doctors at the time handed it out and mom either mixed it into a huge pot of soup or mac and cheese.
oh and thank you baker..