Accura Sea Calibration fluid 250ml

Calibration Solution

API 5 in 1 Test Strips

API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box

API Test Kit

HighlightsEasy and accurate freshwater and Saltwater test solutions for pH, high range pH, ammonia, nitrite, and nitrateLets you monitor and maintain ideal freshwater and Saltwater conditionsTest critical water parameters at an economical...

Aqua Fx Digital Inline TDS Monitor

Dual Inline TDS Meter from AquaFXThe Dual Inline TDS Meter From AquaFX (EL-INLTDS):The EL-INLTDS is a very user friendly tool for keeping a close check on your RO/DI system(s). Use this to check your RO membrane for efficiency and performance, while...

Aquaforest TestPro Test Kit

Aquaforest Test Pro Calcium is designed to quickly measure the concentration of Calcium in marine water. Calcium plays an important role in many biological processes, e.g. takes part in the construction of hard coral’s calcium carbonate skeleton...

Aquatic Sealife Refractometer

Product DescriptionAlmost all, if not all, of the refractometers currently available to the aquarium hobby are designed for measuring saltwater (sodium chloride or brine solution) and not true ‘seawater’. Although seawater is mostly sodium chloride it...

Exact iDip 570nm Meter Only

The exciting new eXact iDip 570 Smart Photometer System is the second installment of the eXact iDip line designed using a 570 nm wavelength light source. The iDip is the only handheld photometer family to provide 2–way communication with a Bluetooth...

Exact iDip Marine Kit w/Case

Pre-configured kit comes with exactly what’s needed to start testing (excluding app software). Packed in a rugged and durable plastic case with secure fasteners and padded compartments. Compatible with iPhone, iPad, and iPod touch with the minimum iOS...

eXact iDip Test Strips

Hanna Checker

Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion...

Hanna Reagent Refill

are the replacement reagents for the Checkers These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability. Pre-made reagents for ease...

Hanna Reef Professional Kit

Monitor the health of your saltwater reef aquarium with the Reef Professional Kit for Alkalinity (dKH), Calcium, Phosphorus (ULR phosphate), and pH. Water quality is the most important aspect of a healthy reef aquarium. Remove subjective results and...