Potassium
Potassium occurs naturally at fairly low concentrations in natural waters, however monitoring streams and rivers for high potassium levels can help in locating contamination from excessive fertiliser usage.
A Potassium Comparator test pack is available for general water analysis and for measuring liquid feed levels in thehydroponics industry .
The table below gives a chart of recommended tests.
R = Recommended X = Suitable for use
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