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Potassium Ion TesterDirect readout digital pocket meter, similar to the NO3 meter above. Very useful for determining K uptake in plant tissue. Fertilizers may be diluted to test ppm availability directly.
150ppm K+ Cardy Standard (50ml). Used along with the 2000ppm standard to calibrate the Cardy Potassium meter.
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$15.00
Average customer rating:  Total votes: 0
2000ppm K+ Cardy Standard (50ml). Used along with the 2000ppm standards to calibrate the cardy Potassium meter.
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$15.00
Average customer rating: Total votes: 0
Cardy Case Soft carrying case (Fits Cardy pNa, Potassium & Nitrate testers ).
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$60.99
Average customer rating: Total votes: 0
This lightweight, pocket-sized meter is highly affordable. Can be used for Measuring leaf sap, soil nitrate levels,foliar and hydroponic fertilizers, fruit juices, milk and even bodily fluids.
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$239.99
Average customer rating: Total votes: 0
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