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single test colorimeters (for testing one water parameter)

 
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Alkalinity Colorimeter HI755 Hanna Checker HC - Marine Water

The Hanna Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use.

$48.99
Nitrate Photometer with 555 nm LED, Low Range, Hanna

Description: HANNA Instruments Nitrate Photometer with 555 nm LED, Low Range 0.0 to 30.0 mg/L (NO N), Resolution 0.1 mg/L, Accuracy 0.5 mg/L 10% of reading Brand: Hanna Digi...

$239.99
Nitrate, Cadmium Reduction Method (100 Tests)

Description: Spare reagent for Nitrate Colorimeter 100 tests (Hanna). This item is a special order item only Brand: Hanna Digital Ins.

$74.54
Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker HC - Marine Water

Monitoring phosphorus concentration in saltwater is important because it can cause corrosion if levels are too high. The Hanna HI736 Checker HC Handheld Colorimeter for Phosph...

$48.99
Calcium Colorimeter HI758 Hanna Checker HC - Marine Water

The Hanna Calcium Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use.

$48.99
Dissolved Oxygen, Winkler Method (100 Tests)

Description: Dissolved Oxygen Colorimeter Reagent Kit 100 tests. This item is a special order item only Brand: Hanna Digital Ins.

$64.59
Copper Photometer with 555 nm LED, Hanna

Description: HANNA instruments Copper Photometer with 555 nm LED, Range 0.00 to 5.00 mg-l, Accuracy ±0.02 mg/L ±4% of reading Brand: Hanna Digital Ins.

$214.78
Copper Low Range Colorimeter Reagent (100 Tests)

Description: Copper Colorimeter Low Range Reagent Kit. 100 test Brand: Hanna Digital Ins.

$84.39
Ammonia Photometer with 470 nm LED, Hanna

Description: Hanna Digital Instruments Ammonia Photometer with 470 nm LED, Range 0.00 to 3.00 mg/L, Resolution 0.01 mg/L, Accuracy ±0.04 mg/L ±4% Brand: Hanna Digital Ins....

$207.89
Ammonia LR, Nessler Method (100 Tests)

Description: Hanna Ammonia Colorimeter Reagent Kit (100 tests). This item is a special order item only Brand: Hanna Digital Ins.

$47.89
Phosphate Low Range Colorimeter HI713 Hanna Checker HC - Fresh & Marine Water

The Hanna Phosphate Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use.

$48.99
Copper HR, bicichoninate acid method (100 Tests)

Description: Reagent kit for total copper 100 tests (Cu HR) Copper high range reagent 0.00 to 5.00 mg-L for colorimeter Brand: Hanna Digital Ins.

$39.99
Silica Photometer with 890 nm LED, Hanna

Description: HANNA Instruments Silica Photometer with 890 nm LED, Range 0.00 to 2.00 mg/L, Resolution 0.01 mg/L, Resolution 0.01 mg/L ±3% of reading Brand: Hanna Digital In...

$218.79
Silica Colorimeter Reagents (100 Tests)

Description: Silica Colorimeter Reagents, Hanna, 100 tests. This item is a special order item only Brand: Hanna Digital Ins.

$49.89
Nitrite Photometer with 585 nm LED, Hanna

Description: Hanna Digital Instruments Nitrite Photometer with 585 nm LED, Range 0 to 150 mg/L, Resolution 1 mg/L, Accuracy ±4 mg/L ±4% of reading. Brand: Hanna Digital In...

$218.79
Hanna Phosphate Photometer (LR) with 890 nm LED

Description: Hanna Digital Instruments Phosphate Photometer Low Range, allows you to closely monitor the phosphate levels present in aquarium, hydroponics, civil and industri...

$207.69
Phosphate LR, Ascorbic Acid Method (100 Tests)

Description: Phosphate Colorimeter low range Reagent Kit 100 tests (Hanna) Brand: Hanna Digital Ins.

$36.59
Iodine Photometer with 555 nm LED, Hanna Digital

Description: Hanna Digital Instruments Iodine Photometer with 555 nm LED, is a microprocessor-based meter with lab-grade accuracy, determines iodine levels in water inexpensi...

$214.27
Calcium Hardness (Mg, Ca) Photometer w/555 nm LED

Description: Hanna Digital Instruments Calcium Hardness Photometer 0.0-2.70 mg-l, two different meters to measure magnesium and calcium, results are expressed in CaCO³ equiv...

$213.49
Calcium Hardness Colorimeter Reagent (100 Tests)

Description: Calcium Hardness Colorimeter Reagent Kit 100 tests. Hanna. Brand: Hanna Digital Ins.

$48.79
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