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pNa Ion TestersSimple tester determines sodium ion activity. Reasons for testing for sodium include: - Long term irrigation of farm land builds up an abundance of sodium which reduces crop yields
- With high sodium levels in soil, extra precautions must be taken to avoid over-compaction
- With high conductivity readings, pNa reading helps determine what portion is attributable to sodium
Pike Agri-Lab Supplies has two pNa testers available. The first is a pocket pNa tester which reads in pNa units and can be converted to ppm, using chart provided. The second is a multirange digital tester which reads directly in ppm and has a replaceable electrode.
pNa Reference for pocket pNa tester. Reads 1.0 pNa unit (2300 ppm). 125ml
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$5.00
Average customer rating:  Total votes: 0
pNa Reference for pocket pNa tester. Reads 1.0 pNa unit (2300 ppm). 1 Pint
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$8.00
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
The pNa is an easy-to-use and inexpensive instrument for determining water hardness/softness.
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$86.99
Average customer rating: Total votes: 0
Cardy Multi-range pNa Tester with standards & accessories, reads directly in ppm. Display range 0 - 9900 ppm Na, guarantee range 23-2300 ppm. Flat replaceable electrode, requires only 2 drops of sample.
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$239.99
Average customer rating: Total votes: 0
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