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Water Testing Equipment

194 products

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Hanna Checker Marine Alkalinity Reagent 25 Tests HI772-26

Hanna Checker Marine Alkalinity Reagent 25 Tests HI772-26

Sale price$15.99

In Stock
Ships free on eligible orders *

Hanna Checker Nitrate High Range Reagent 25 Tests HI782-25

Hanna Checker Nitrate High Range Reagent 25 Tests HI782-25

Sale price$24.99

In Stock
Ships free on eligible orders *

Hanna Checker Phosphate Ultra Low Range Reagent 25 Tests HI774-25

Hanna Checker Phosphate Ultra Low Range Reagent 25 Tests HI774-25

Sale price$15.99

In Stock
Ships free on eligible orders *

Neptune Systems Trident Reagent Kit - 6 months

Neptune Systems Trident Reagent Kit - 6 months

Sale price$148.49

Backordered
Shipping charges apply

Hanna Checker Marine Alkalinity Reagent 25 Tests HI755-26

Hanna Checker Marine Alkalinity Reagent 25 Tests HI755-26

Sale price$15.99

In Stock
Ships free on eligible orders *

Hanna Checker Saltwater Aquarium Alkalinity Colorimeter (dKH) HI772

Hanna Checker Saltwater Aquarium Alkalinity Colorimeter (dKH) HI772

Hanna Checker Saltwater Aquarium Alkalinity Colorimeter (dKH) HI772

Sale price$69.99

In Stock
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Salifert Nitrate Profi Test 60 Tests

Salifert Nitrate Profi Test 60 Tests

Sale price$21.99

In Stock
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Hanna Checker Phosphorus Ultra Low Range Reagent 25 Tests HI736-25

Hanna Checker Phosphorus Ultra Low Range Reagent 25 Tests HI736-25

Sale price$15.99

In Stock
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Hanna Checker Marine Ultra Low Range Phosphate Colorimeter HI774

Hanna Checker Marine Ultra Low Range Phosphate Colorimeter HI774

Sale price$69.99

In Stock
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Hanna Checker Copper High Range Reagent 25 Tests HI702-25

Hanna Checker Copper High Range Reagent 25 Tests HI702-25

Sale price$15.99

In Stock
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Hanna Checker Nitrate High Range Colorimeter HI782

Hanna Checker Nitrate High Range Colorimeter HI782

Sale price$69.99

In Stock
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Salifert Calcium Profi Test 50-100 Tests

Salifert Calcium Profi Test 50-100 Tests

Sale price$23.99

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Neptune Systems Calibration Kit

Neptune Systems Calibration Kit

Sale price$8.09

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Salifert KH-Alk Profi Test 100-200 Tests

Salifert KH-Alk Profi Test 100-200 Tests

Sale price$20.99

In Stock
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Salifert Magnesium Profi Test 50 Tests

Salifert Magnesium Profi Test 50 Tests

Sale price$24.99

In Stock
Ships free on eligible orders *

Hanna Checker Phosphate Low Range Reagent 25 Tests HI713-25

Hanna Checker Phosphate Low Range Reagent 25 Tests HI713-25

Sale price$15.99

In Stock
Ships free on eligible orders *

Seachem Ammonia Alert 1 Year Monitor

Seachem Ammonia Alert 1 Year Monitor

Sale price$10.94

Backordered
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$Brightwell Aquatics Refractometer Calibration Standard - 60ml$

Brightwell Aquatics Refractometer Calibration Standard - 60ml

Sale price$7.19

In Stock
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Hanna 35 ppt Salinity Calibration Solution Sachet (20 mL) - HI70024

Hanna 35 ppt Salinity Calibration Solution Sachet (20 mL) - HI70024

Sale price$1.89

In Stock
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Red Sea Marine Care (NH3-NH4 | NO3 | NO2 | pH | KH) Test Kit

Red Sea Marine Care (NH3-NH4 | NO3 | NO2 | pH | KH) Test Kit

Red Sea Marine Care (NH3-NH4 | NO3 | NO2 | pH | KH) Test Kit

Sale price$105.99

In Stock
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Red Sea RCP Reef Foundation Pro Test Kit

Red Sea RCP Reef Foundation Pro Test Kit

Sale price$105.99

In Stock
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Hanna Checker High Range Copper Colorimeter HI702

Hanna Checker High Range Copper Colorimeter HI702

Sale price$69.99

In Stock
Ships free on eligible orders *

Hanna Marine Salinity Tester HI98319

Hanna Marine Salinity Tester HI98319

Hanna Marine Salinity Tester HI98319

Sale price$109.99

In Stock
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API Freshwater Master Test Kit

API Freshwater Master Test Kit

Sale price$46.99

In Stock
Ships free on eligible orders *

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