Test Kits

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Fragbox carries a wide range of test kits, reagents, and calibration solutions for your everyday testing needs. We always recommend Salifert for the best accuracy! Hanna Checkers give you the best ease of use. Red Sea has the most complete multi-test test kits at great affordability.

Sale!
AccuraSea Seawater Reference Calibration Solution (250ml)*save 50%*
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AccuraSea Seawater Reference Calibration Solution (250ml)*save 50%*

Original price was: $16.99.Current price is: $8.99.
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Sale!
Hanna Professional – Entire Full Range 5 x Test Kits Checker Package
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Hanna Professional – Entire Full Range 5 x Test Kits Checker Package

Original price was: $380.00.Current price is: $349.00.
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Sale!
Marine Algae & Nutrient Management Test Kit
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Marine Algae & Nutrient Management Test Kit

Original price was: $190.00.Current price is: $169.95.
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Sale!
Hanna Marine Salinity Tester
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Hanna Marine Salinity Tester

Original price was: $116.00.Current price is: $89.00.
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Red Sea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)
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Red Sea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)

$106.00 $93.28
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Hanna Magnesium Reagents
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Hanna Magnesium Reagents

$25.99 $23.39
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Fragbox recommended
Reef Casa Salt Water Aquarium Refractometer
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Reef Casa Salt Water Aquarium Refractometer

$100.00 $80.00
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Hanna Instruments Magnesium Colorimeter HI783
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Hanna Instruments Magnesium Colorimeter HI783

$83.99 $75.59
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Hanna Marine Nitrate High Range Reagents – HI782-25
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Hanna Marine Nitrate High Range Reagents – HI782-25

$25.00 $22.50
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Hanna Checker Copper Reagent 25 Tests HI702-25
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Hanna Checker Copper Reagent 25 Tests HI702-25

$19.99 $17.99
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Hanna Checker High Range Copper Colorimeter HI702
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Hanna Checker High Range Copper Colorimeter HI702

$73.99 $66.59
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Hanna Checker Nitrate High Range Colorimeter HI782
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Hanna Checker Nitrate High Range Colorimeter HI782

$73.99 $66.59
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Salifert Starter Test Kit Pack
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Salifert Starter Test Kit Pack

$60.00
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Hanna 35 ppt Salinity Calibration Solution
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Hanna 35 ppt Salinity Calibration Solution

$2.00 $1.80
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Hanna Replacement Cuvettes & Caps (2 Pack)
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Hanna Replacement Cuvettes & Caps (2 Pack)

$19.95 $17.96
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Smart Stir Magnetic Stirrer for Test Kits
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Smart Stir Magnetic Stirrer for Test Kits

$45.00 $39.60
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Salifert Copper Test Kit
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Salifert Copper Test Kit

$25.00
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Salifert Potassium Test Kit
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Salifert Potassium Test Kit

$30.00
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Salifert Nitrite Test Kit
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Salifert Nitrite Test Kit

$20.00
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Hanna 35 ppt Salinity Calibration Solution Sachets – 20 ml – 25 pk
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Hanna 35 ppt Salinity Calibration Solution Sachets – 20 ml – 25 pk

$46.99 $42.29
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Red Sea Trace-Colors Pro Multi Test Kit
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Red Sea Trace-Colors Pro Multi Test Kit

$119.99 $105.59
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Red Sea Marine Care Test Kit – Multi
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Red Sea Marine Care Test Kit – Multi

$115.00 $101.20
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Red Sea Algae Control Pro Test Kit
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Red Sea Algae Control Pro Test Kit

$115.00 $101.20
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Hanna Calcium Checker Reagents HC (25 Tests) – HI758-26
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Hanna Calcium Checker Reagents HC (25 Tests) – HI758-26

$41.95 $37.76
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Hanna Alkalinity Checker Reagents – Refill (25 Tests) HI772
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Hanna Alkalinity Checker Reagents – Refill (25 Tests) HI772

$16.00 $14.40
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Hanna Phosphorus Ultra Low Range Reagents (25 pack)
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Hanna Phosphorus Ultra Low Range Reagents (25 pack)

$16.95 $15.26
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Hanna Calcium Checker
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Hanna Calcium Checker

$73.99 $66.59
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Hanna Phosphorus Ultra Low Range Checker HI-736
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Hanna Phosphorus Ultra Low Range Checker HI-736

$73.95 $66.56
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Hanna Alkalinity Checker
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Hanna Alkalinity Checker

$73.95 $66.56
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Salifert Alkalinity (KH) Test kit
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Salifert Alkalinity (KH) Test kit

$25.00
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Salifert Ammonia Test Kit (NH4)
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Salifert Ammonia Test Kit (NH4)

$20.00
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Salifert Calcium (Ca) Test kit
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Salifert Calcium (Ca) Test kit

$25.00
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Salifert Flatworm Exit
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Salifert Flatworm Exit

$25.00
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Salifert Magnesium (Mg) Test kit
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Salifert Magnesium (Mg) Test kit

$25.00
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Salifert Nitrate (NO3) Test kit
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Salifert Nitrate (NO3) Test kit

$25.00
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Salifert PH Test Kit
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Salifert PH Test Kit

$16.00
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Salifert Phosphate (PO4) Test kit
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Salifert Phosphate (PO4) Test kit

$25.00
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