Macherey Nagel potassium test strips. Range 0 - 1500 mg/l. Gradation 0 - 200 - 400 - 700 - 1000 - 1000 - 1500. These test strips are suitable for testing potassium levels in soils, potting mixes and hydroponics solutions. Pack of 100 test strips. To find out how to use these strips to measure nutrients in soils see rapid soil tests
This product was added to our catalog on Tuesday 30 November, 1999.