Hydroponic Nutrient Testers

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15 products

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Hanna Instruments HI-713 Phosphate Low Range Handheld Colorimeter - Checker HCHanna Instruments HI-713 Phosphate Low Range Handheld Colorimeter - Checker HC
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Hanna Instruments-717 High Range Phosphate Colorimeter - Checker HCHanna Instruments-717 High Range Phosphate Colorimeter - Checker HC
Save £5.41
Hanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HCHanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HC
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Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm)Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm)
Save £52.45
Hanna Instruments-4101 Ammonia Combination ISE Electrode
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Hanna Instruments HI-707 Nitrite Low Range Handheld Colorimeter - CheckerHC
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Hanna Instruments HI-708 Nitrite High Range Handheld Colorimeter - Checker HC
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Hanna Instruments-721 High Range Iron Handheld Colorimeter - Checker®HC
Hanna Instruments HI-38074 Boron test kit
Save £68.74
Hanna Instruments-84531-02 Total Alkalinity mini titrator for water analysis
Save £6.68
Hanna Instruments-38001 Sulphate - Range (100-1000 mg/L) (1000-10000 mg/L)
Save £71.62
Hanna Instruments-4114 Potassium Combination ISE Electrode
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Hanna Instruments HI-718 Iodine Handheld Colorimeter Checker
Save £59.39
Hanna Instruments-4111 Iodine Combination Electrode
Hanna Instruments
Hanna Instruments-4111 Iodine Combination Electrode Sale price£1,128.49 Regular price£1,187.88
Save £53.93
Hanna Instruments-83325-02 Multi-parameter Photometer with pH meter for Plant Nutrient analysis