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That depends on what you mean by sweet. Sweet tasting - add any sweetener - sugar. Sweet is also a word that means clean and drinkable. To make water suitable for drinking depends entirely on where it comes from. Some ground and surface waters are clean enough to need only filtering to take large bugs and rubbish out, and chlorination to kill bacteria etc., to be suitable for pumping into nthe mains. Other teatments include floculation - a process to clump together very fine suspended particles that make the water cloudy, UV treatment to kill bacteria, viruses etc.

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16y ago

What else can I help you with?