rain water has no mineral content
hi there, the main problems with drinking rain water are firstly the danger from rat pee, which is potentially fatal (they are fond of guttering, they think of it as a public loo), and mineral deficiency!
We depend on our drinking water for a large amount of our minerals and trace elements. In the normal run of events these are gathered as the water runs it's course along and through the rocks that make up the water table, picking up these subtle but essential elements!
If you had a big fancy filtration system (and i don't mean a britta,) you may overcome the safety issue, but in the long run it's as much about the danger of what you miss out on in minerals, as anything else!
Rainwater makes great washing water though......and they say it leaves your skin and hair like silk!
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