Testing & Controllers*

HI758U-26 Calcium Checker Marine Reagent 25 Tests

HI758U-26 Calcium Checker Marine Reagent 25 Tests

$31.49
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SKU: HN101
HI772 Alkalinity (dKH) Checker Marine Colorimeter Test

HI772 Alkalinity (dKH) Checker Marine Colorimeter Test

$71.39
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SKU: HN106
HI772-11 Alkalinty Checker Marine Calibration Solution

HI772-11 Alkalinty Checker Marine Calibration Solution

$22.05
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SKU: HN108
HI772-26 Alkalinity Reagents 25 Tests

HI772-26 Alkalinity Reagents 25 Tests

$18.89
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SKU: HN107
-32%
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HI780 Saltwater PH Checker*

Original price was: $62.95.Current price is: $42.99.
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SKU: HN127
HI780-25 pH Reagent 100 Tests*

HI780-25 pH Reagent 100 Tests*

$21.00
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SKU: HN130
-27%
HI781 Saltwater Low Range Nitrate Checker

HI781 Saltwater Low Range Nitrate Checker

Original price was: $68.20.Current price is: $49.99.
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SKU: HN128
-25%
HI781-25 Nitrate Reagent 25 tests

HI781-25 Nitrate Reagent 25 tests

Original price was: $19.95.Current price is: $15.00.
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SKU: HN131
HI782 Saltwater High Range Nitrate Checker

HI782 Saltwater High Range Nitrate Checker

$68.20
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SKU: HN133
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HI782-25 Nitrate High Range Reagent 25 tests

$26.24
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SKU: HN135
HI783 Magnesium Test Kit

HI783 Magnesium Test Kit

$68.20
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SKU: HN137
HI784-25 Ammonia Reagents 25 Tests (SO)

HI784-25 Ammonia Reagents 25 Tests (SO)

$22.05
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SKU: HN140