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pH & EC Pens

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18 Items

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  1. Hanna DiST_1 Waterproof TDS Tester (0-2000 Ppm) - HI98301
    Hanna DiST_1 Waterproof TDS Tester (0-2000 Ppm) - HI98301
    Hanna Instruments
    SKU: 06028000012
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  2. Hanna DIST_5 EC/TDS/Temperature Tester (0-3999 MS/Cm) - HI98311
    Hanna DIST_5 EC/TDS/Temperature Tester (0-3999 MS/Cm) - HI98311
    Hanna Instruments
    SKU: 06028000019
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    ✓ In Stock
  3. AquaMaster E300 Pro Substrate EC/Temp Meter
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    AquaMaster E300 Pro Substrate EC/Temp Meter
    AquaMaster Tools
    SKU: 06028000054
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    ✓ In Stock
  4. AquaMaster S300 Pro 2 Substrate pH/Temp Meter
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    AquaMaster S300 Pro 2 Substrate pH/Temp Meter
    AquaMaster Tools
    SKU: 06028000053
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  5. Hanna GroLine Hydroponics pH Tester W/0.01 Resolution - HI98115
    Hanna GroLine Hydroponics pH Tester W/0.01 Resolution - HI98115
    Hanna Instruments
    SKU: 06028000035
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  6. Hanna GroLine Portable Waterproof pH/EC/TDS/Temperature Meter - HI9814
    Hanna GroLine Portable Waterproof pH/EC/TDS/Temperature Meter - HI9814
    Hanna Instruments
    SKU: 06028000034
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    ✓ In Stock
  7. Hanna GroLine Monitor Standard Probe W/No Threads - HI981420
    Hanna GroLine Monitor Standard Probe W/No Threads - HI981420
    Hanna Instruments
    SKU: 06028000039
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  8. Hanna GroLine Waterproof EC/TDS Tester - HI98318
    Hanna GroLine Waterproof EC/TDS Tester - HI98318
    Hanna Instruments
    SKU: 06028000030
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  9. Hanna GroLine Soil_Test Direct Soil EC Tester - HI98331
    Hanna GroLine Soil_Test Direct Soil EC Tester - HI98331
    Hanna Instruments
    SKU: 06028000026
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  10. Hanna Phep Waterproof Pocket pH Tester W/0.1 pH Resolution - HI98107
    Hanna Phep Waterproof Pocket pH Tester W/0.1 pH Resolution - HI98107
    Hanna Instruments
    SKU: 06028000036
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  11. Hanna Portable pH/EC/TDS/Temperature Meter - HI9811-51
    Hanna Portable pH/EC/TDS/Temperature Meter - HI9811-51
    Hanna Instruments
    SKU: 06028000022
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  12. Hanna Phep_4 pH/Temperature Tester - HI98127
    Hanna Phep_4 pH/Temperature Tester - HI98127
    Hanna Instruments
    SKU: 06028000023
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  13. Hanna Combo pH/Conductivity/TDS Tester (Low Range) - HI98129
    Hanna Combo pH/Conductivity/TDS Tester (Low Range) - HI98129
    Hanna Instruments
    SKU: 06028000018
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  14. Hanna Portable pH/EC/TDS Temperature Meter W/CAL Check - HI9813-61
    Hanna Portable pH/EC/TDS Temperature Meter W/CAL Check - HI9813-61
    Hanna Instruments
    SKU: 06028000003
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  15. Hanna Combo pH/Conductivity/TDS Tester (High Range) - HI98130
    Hanna Combo pH/Conductivity/TDS Tester (High Range) - HI98130
    Hanna Instruments
    SKU: 06028000037
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    ✓ In Stock
  16. AquaMaster E50 Pro EC Temp Meter
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    AquaMaster E50 Pro EC Temp Meter
    AquaMaster Tools
    SKU: 06028000044
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  17. Hanna Portable pH/EC/TDS/Temperature Meter - HI9812-5N
    Hanna Portable pH/EC/TDS/Temperature Meter - HI9812-5N
    Hanna Instruments
    SKU: 06028000017
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    ✓ Available by Special Order
  18. Hanna Waterproof PHep_5 pH/Temperature Tester - HI98128
    Hanna Waterproof PHep_5 pH/Temperature Tester - HI98128
    Hanna Instruments
    SKU: 06028000021
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    ✓ Available by Special Order
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