Water Testing

API Ammonia NH3/NH4 Test Kit, Freshwater/Saltwater

Freshwater/Saltwater Ammonia Test Kit

Aquarium Pharmaceuticals Freshwater/Saltwater Ammonia Test Kit, Test kit of 130 tests

  • Price: $7.49

API Calcium Ca2+ Test Kit, Saltwater

Aquarium Pharmaceuticals Saltwater Calcium Test Kit

Aquarium Pharmaceuticals Saltwater Calcium Test Kit

  • Price: $7.99

API High Range pH Test Kit, Fresh/Saltwater

Freshwater/Saltwater High Range pH Test Kit

Aquarium Pharmaceuticals Freshwater/Saltwater High Range pH Test Kit, Test kit of 250 tests

  • Price: $4.99

API Nitrate NO3 Test Kit, Freshwater/Saltwater

Freshwater /Saltwater Nitrate Test Kit

Aquarium Pharmaceuticals Freshwater/Saltwater Nitrate Test Kit, Test kit of 90 tests

  • Price: $7.49

API Nitrite NO2 Test Kit, Freshwater /Saltwater

Freshwater /Saltwater Nitrite Test Kit

Aquarium Pharmaceuticals Freshwater /Saltwater Nitrite Test Kit, Test kit of 180 tests

  • Price: $7.49

API Phosphate PO3-4 Test Kit, Fresh/Saltwater

Freshwater/Saltwater Phosphate Test Kit

Aquarium Pharmaceuticals® Freshwater/Saltwater Phosphate Test Kit (150 Tests)

  • Price: $8.99

API Saltwater Liquid Master Test Kit

Aquarium Pharmaceuticals Saltwater Liquid Master Test Kit

Aquarium Pharmaceuticals Saltwater Liquid Master Test Kit

  • Price: $19.99

Elos Aqua Test Kit - Ammonia/Ammonium

Elos Aqua Test Kit - Ammonia/Ammonium

Elos Aqua Test Kit - Ammonia/Ammonium

  • Price: $29.99

Elos Aqua Test Kit - Calcium

Elos Aqua Test Kit - Calcium

Elos Aqua Test Kit - Calcium

  • Price: $29.99

Elos Aqua Test Kit - General Hardness

Elos Aqua Test Kit - General Hardness

Elos Aqua Test Kit - General Hardness

  • Price: $16.99

Elos Aqua Test Kit - Magnesium

Elos Aqua Test Kit - Magnesium

Elos Aqua Test Kit - Magnesium

  • Price: $29.99

Elos Aqua Test Kit - Nitrate

Elos Aqua Test Kit - Nitrate

Elos Aqua Test Kit - Nitrate

  • Price: $27.99

Elos Aqua Test Kit - Nitrite

Elos Aqua Test Kit - Nitrite

Elos Aqua Test Kit - Nitrite

  • Price: $24.99

Elos Aqua Test Kit - pH Freshwater

Elos Aqua Test Kit - pH Freshwater

Elos Aqua Test Kit - pH Freshwater

  • Price: $14.99

Elos Aqua Test Kit - Phosphate

Elos Aqua Test Kit - Phosphate

Elos Aqua Test Kit - Phosphate

  • Price: $27.99

Elos Professional Aqua Test Kit - Phosphate

Elos Professional Aqua Test Kit - Phosphate

Elos Professional Aqua Test Kit - Phosphate

  • Price: $47.99

Elos Professional Aqua Test Kit - Potassium

Elos Professional Aqua Test Kit - Potassium

Elos Professional Aqua Test Kit - Potassium

  • Price: $36.99

Hanna Instruments Checker Marine Alkalinity Colorimeter

Hanna Instruments Checker Marine Alkalinity Colorimeter

Hanna Instruments Checker Marine Alkalinity Colorimeter

  • Price: $49.99

Hanna Instruments Checker Marine Calcium Colorimeter

Hanna Instruments Checker Marine Calcium Colorimeter

Hanna Instruments Checker Marine Calcium Colorimeter

  • Price: $49.99

Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

  • Price: $37.99

Hanna Instruments Checker Phosphate Colorimeter

Hanna Instruments Checker Phosphate Colorimeter

Hanna Instruments Checker Phosphate Colorimeter

  • Price: $49.99

Hanna Instruments Marine Alkalinity reagents 25 tests

Hanna Instruments Marine Alkalinity reagents 25 tests

Hanna Instruments Marine Alkalinity reagents 25 tests

  • Price: $8.99

Hanna Instruments Phosphate LR Reagent, 100 Tests

Hanna Instruments Phosphate LR Reagent, 100 Tests

Hanna Instruments Phosphate LR Reagent, 100 Tests

  • Price: $26.99

Hanna Instruments Phosphate Reagents - 25 Tests

Hanna Instruments Phosphate Reagents - 25 Tests

Hanna Instruments Phosphate Reagents - 25 Tests

  • Price: $8.99

Milwaukee Seawater Digital Refractometer

Milwaukee Seawater Digital Refractometer

The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each scale is temperature compensated. 1. PSU – The...

  • Price: $109.00

Red Sea Alkalinity Pro Test Kit - 75 Tests

Red Sea Alkalinity Pro Test Kit - 75 Tests

Red Sea Alkalinity Pro Test Kit - 75 Tests

  • Price: $24.99

Red Sea Calcium/Ca Pro Test Kit - 75 tests

Red Sea Calcium/Ca Pro Test Kit - 75 tests

Red Sea Calcium/Ca Pro Test Kit - 75 tests

  • Price: $29.99

Red Sea Iodine/I2 Pro Test Kit - 50 Tests

Red Sea Iodine/I2 Pro Test Kit

Red Sea Iodine/I2 Pro Test Kit - 50 Tests

  • Price: $34.99

Red Sea Magnesium Pro Test Kit - 100 Tests

Red Sea Magnesium Pro Test Kit

Red Sea Magnesium Pro Test Kit - 100 Tests

  • Price: $29.99
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Red Sea Nitrate Pro Test Kit - 100 Tests

Red Sea Nitrate Pro Test Kit

Red Sea Nitrate Pro Test Kit - 100 Tests

  • Price: $34.99

Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests

Red Sea Phosphate/PO4 Pro Test Kit

Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests

  • Price: $34.99

Red Sea Potassium/K Pro Test Kit - 40 Tests

Red Sea Potassium/K Pro Test Kit

Red Sea Potassium/K Pro Test Kit - 40 Tests

  • Price: $44.99