However, the main contamination come from the piping that travelling from PUB water processing plant to household. Bacteria, organic, inorganic substance and dust particle goes into our cup. Chlorine is harmful to our body. Is good to have filtration for drinking but got to be watchout on several points 1)the maintanence cost 2)regular maintanence, if u don't, is worst than drinking directly fm tap, 3)what does the filter eliminate and lastly 4) what does the filter contain. Do more research before decide.
Sotong Ball and alaska, do you have any filter system for drinking? Care to recommend?