Category talk:Water quality indicators
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![]() | Environment Category‑class | ||||||
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![]() | Water NA‑class | ||||||
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To do
- KH (hardness)
- Settleable solids
- Electrical conductivity test
- Dissolved oxygen
- KH (hardness)
- Settleable solids
- Nitrate concentration
- Nitrite concentration
- Phosphate concentration
- Sulphate concentration
- Conductivity (electrical measurement of ions in water)