Then you can add this to your water for purification (from bacteria, virus, parasite etc), filtering particles you'd still need to do.
I thought this would be false but wikipedia says
Electrolytically-dissolved silver has been used as a water disinfecting agent, for example, the drinking water supplies of the Russian Mir orbital station and the International Space Station.[45] Many modern hospitals filter hot water through copper-silver filters to defeat MRSA and legionella infections
learn something new every day