Test Kits & Reagents

Filter and sort

91 products

Sort by: Sort

Availability

Price

$ From

$ To

Experience Level

Hanna Instruments 702-25 – Copper High Range Reagent Refill – Checker® HC - Squeaky's Aquatics

Hanna Instruments 702-25 / HI702-25 – Copper ...

$18.99 USD

$Hanna Instruments 96822 / HI96822 | Digital Refractometer for Seawater Analysis | Marine & Reef Aquarium Salinity Tester – Free Shipping$ $Hanna Instruments 96822 / HI96822 | Digital Refractometer for Seawater Analysis | Marine & Reef Aquarium Salinity Tester – Free Shipping$

Hanna Instruments 96822 / HI96822 | Digital R...

$299.99 USD

Fauna Marin ICPTSET | Reef ICP TOTAL Test Set (6 Pack) | Professional Water Analysis Kit displayed in a group.

Fauna Marin ICPTSET | Reef ICP TOTAL Test Set (6 Pack) | Professional Water Analysis Kit and components.

Fauna Marin ICPTSET | Reef ICP TOTAL Test Set...

$307.99 USD

Hanna Instruments HI981520 / 981520 – Marine pH/EC/Temperature Monitor

Hanna Instruments HI981520 / 981520 – Marine pH/EC/Temperature Monitor

Hanna Instruments HI981520 / 981520 – Marine ...

$299.99 USD

Hanna Instruments HIAlgae – Marine Algae Nutrient Management Kit – Checker® HC Bundle

Hanna Instruments HIAlgae – Marine Algae Nutrient Management Kit – Checker® HC Bundle

Hanna Instruments HIAlgae – Marine Algae Nutr...

$169.99 USD

Hanna Instruments HI701 / 701 – Free Chlorine Colorimeter – Checker® HC

Hanna Instruments HI701 / 701 – Free Chlorine Colorimeter – Checker® HC

Hanna Instruments HI701 / 701 – Free Chlorine...

$67.99 USD

Hanna Instruments HI713-11 | Phosphate Low Range Checker® HC Calibration Check Set | Freshwater Testing

Hanna Instruments HI713-11 | Phosphate Low Ra...

$18.99 USD

IceCap Magnetic Aquarium Test Kit Mixer – Faster, More Accurate Testing

IceCap Magnetic Aquarium Test Kit Mixer – Faster, More Accurate Testing

IceCap Magnetic Aquarium Test Kit Mixer – Fas...

$32.99 USD

Salifert Phosphate Aquarium Test Kit – Saltwater

Salifert Phosphate Aquarium Test Kit – Saltwater

$21.99 USD

Salifert pH Aquarium Test Kit – Saltwater

Salifert pH Aquarium Test Kit – Saltwater

Salifert pH Aquarium Test Kit – Saltwater

$10.92 USD

Salifert Nitrate Aquarium Test Kit

Salifert Nitrate Aquarium Test Kit

Salifert Nitrate Aquarium Test Kit

$17.37 USD

Salifert Nitrite Aquarium Test Kit

Salifert Nitrite Aquarium Test Kit

Salifert Nitrite Aquarium Test Kit

$12.99 USD

Salifert Flatworm Exit Aquarium Treatment – Treats up to 300 gal (10 mL)

Salifert Flatworm Exit Aquarium Treatment – Treats up to 300 gal (10 mL)

Salifert Flatworm Exit Aquarium Treatment – T...

$18.99 USD

Salifert Copper Aquarium Test Kit – 0.05–2.0 ppm

Salifert Copper Aquarium Test Kit – 0.05–2.0 ppm

Salifert Copper Aquarium Test Kit – 0.05–2.0 ppm

$19.99 USD

Salifert Magnesium Aquarium Test Kit

Salifert Magnesium Aquarium Test Kit

Salifert Magnesium Aquarium Test Kit

$21.99 USD

Salifert Calcium Aquarium Test Kit

Salifert Calcium Aquarium Test Kit

Salifert Calcium Aquarium Test Kit

$20.99 USD

Salifert KH/Alkalinity Aquarium Test Kit

Salifert KH/Alkalinity Aquarium Test Kit

$17.99 USD

Hanna Instruments HI700-25 / 700-25 | Ammonia Checker HC Reagents (25 Tests) | Freshwater

Hanna Instruments HI700-25 / 700-25 | Ammonia...

$18.99 USD

Hanna Instruments HI782-11 / 782-11 | Marine Nitrate High Range Checker HC Calibration Check Set | Saltwater

Hanna Instruments HI782-11 / 782-11 | Marine ...

$25.99 USD

Hanna Instruments HI735-11 / 735-11 | Total Hardness Low Range Checker HC Calibration Check Set | Freshwater & Saltwater

Hanna Instruments HI735-11 / 735-11 | Total H...

$34.99 USD

Fin-Tastic Shipping

We offer next-day or same-day shipping, packed with care and consistency that reflects the reputation we’ve built.

Trusted Waters

Built by the family behind SqueakysTrains.com and trusted by hobbyists and families nationwide.

Support That Swims

Known for our care and quick replies. We’re here to help at support@squeakysaquatics.com