Total Dissolved Solids (TDS) Parts Per Million
# | Type | ……..TDS…….. | Remarks |
---|---|---|---|
1 | Refresh Distilled Water | 0 (Less than 1) | |
2 | Other Distilled | 1 – 5 | |
3 | Deionised or Demineralised Water (often wrongly referred to as distilled) | 2 – 8 | Without sterilisation cannot be used for drinking |
4 | Reverse Osmosis | 8 – 20 | |
5 | Rain Water | 15 – 50 | |
6 | Spring Water | 70 – 200 | |
7 | Filtered Water | 60 – 400 | Filtration improves the taste but does not remove mineral salts in water |
8 | Tap Water | 80 – 600+ | |
9 | Bore Water | 1000+ |