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Home > Aquarium Supplies > Test Kits
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Hanna Marine Alkalinity Reagent
Hanna Marine Alkalinity Reagent
Starting at: $11.99

Liquid Reagents for Alkalinity Checker HC
American Marine Pinpoint AC Adapter Kit (110 Vac)
American Marine Pinpoint AC Adapter Kit (110 Vac)
Starting at: $12.00

American Marine AC Adapter Kit 110Vac
Instant Ocean Saltwater Hydrometer
Instant Ocean Saltwater Hydrometer
Starting at: $14.99

Accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine environment. Easy to read and simple to operate, the Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings -- accurate to ± 0.001 -- and does it each time, every time.
Salifert KH/Alk Test Kit
Salifert KH/Alk Test Kit
Starting at: $16.99

Salifert Flatworm Exit
Salifert Flatworm Exit
Starting at: $16.99

Salifert Calcium Test Kit
Salifert Calcium Test Kit
Starting at: $18.99

Salifert Magnesium Test Kit
Salifert Magnesium Test Kit
Starting at: $19.99

Salifert Phosphate Test Kit
Salifert Phosphate Test Kit
Starting at: $19.99

Hanna Marine Nitrite ULR Checker
Hanna Marine Nitrite ULR Checker
Starting at: $49.99

Adaptation of EPA Diazotization method
Accuracy ±10 ppb ±4% of reading
1 ppb resolution (200 points)
Large, easy to read digits
Auto shut-off
Hanna Marine Calcium Checker
Hanna Marine Calcium Checker
Starting at: $49.99

The HI 758 Calcium Checker®HC is extremely simple to use. First, zero the instrument by adding Reagent A and deionized water into the vial. Insert into the HI 758 and press the button. Next, remove the vial and add 0.1ml of sample and add Reagent B; shake to dissolve. Reinsert into the Checker®HC and press the button to read the calcium concentration in ppm on the display.

Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket!.
Hanna Marine Alkalinity Checker
Hanna Marine Alkalinity Checker
Starting at: $49.99

•Easier to use and more accurate than chemical test kits

Colorimetric method
Accuracy ±5 ppm ±5% of reading
1 ppm (mg/L) resolution
Large, easy to read digits
Auto shut off
Hanna Marine Phosphate Checker
Hanna Marine Phosphate Checker
Starting at: $49.99

Easier to use and more accurate than chemical test kits

Ascorbic acid method
±0.04 ppm ±4% of reading accuracy
Large, easy to read digits
Auto shut off
Red Sea Refractometer
Red Sea Refractometer
Starting at: $54.99

Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25 Deg C/77 Deg F.
American Marine Pinpoint pH Monitor
American Marine Pinpoint pH Monitor
Starting at: $99.00

American Marine Pinpoint pH Monitor
American Marine Pinpoint ORP Monitor
American Marine Pinpoint ORP Monitor
Starting at: $129.99

American Marine Pinpoint ORP Monitor
American Marine Pinpoint Salinity Monitor
American Marine Pinpoint Salinity Monitor
Starting at: $140.00

American Marine Pinpoint Salinity Monitor
American Marine Pinpoint Nitrate Monitor
American Marine Pinpoint Nitrate Monitor
Starting at: $269.95

American Marine Pinpoint Nitrate Monitor