Quote Originally Posted by fattman
My cats drink tap water, I have aquarium fish, and large fish in a pond, never had problems. For drinking we use a filter system attached to the main tap, we renew the filters annually, and we don't have very many problems with our stomachs (we live just outside Bangkok).
There a lot of controversy with water filters. Bacteria reproduces once ever 20 min by cell division. One becomes two, two, four, four becomes eight and after a year of this you got a colony of a few million. That one little bugger that got in the filter did it.