D-D P1-STP Continuous Use Peristaltic Pump The D-D P1-STP is an app-controlled peristaltic pump, with direct Wi-Fi or Cloud connectivity. The direct drive stepper motor allows continuous 24/7 running, ideal for supplying water to equipment requiring constant flow rates such as calcium reactors...

H2Ocean P4 Dosing PumpThese smart pumps have been jointly developed between D-D and Kamoer, a company with a strong reputation for the manufacture of medical grade dosing equipment, ensuring a high quality product with excellent...

D-D/ATC Seawater Refractometer The  vast  majority  of  refractometers  currently  available  to  the  hobby  are  designed  for measuring saltwater (sodium chloride or brine solution) and not true ‘seawater’. Although seawater is mostly sodium chloride it also...

Three simple steps to results. The Hanna Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next,...

Each HI-784 is delivered in a case with custom insert and is supplied with: Marine Ammonia reagent starter kit (reagents for 10 tests). Please download the Safety Datasheet(s) which provide more detail on the reagents before...

Each HI-783 is delivered in a case with a custom insert and is supplied with: Sample cuvette and cap (2 pcs.) Marine Magnesium reagent starter kit (reagents for 25 tests) 1 mL graduated syringe and...

The HI-764 Hanna Ultra Low Range Nitrite Checker is ideal for salt water aquariums and coral reef tanks. With its fantastic ability to measure exceptionally low levels of nitrite, the HI-764 Nitrite Checker is great...

Hanna Checker - Calcium Colorimeter Ideal for salt water aquariums and coral reef tanks.Designed exclusively for saltwater aquariums, the HI-758 offers a quick, easy and highly accurate method of checking Calcium. For replacement reagents for Calcium Checker®HC use code HI-758-26 for...

pH of ocean surface water is normally 7.5.to 8.5 pH. Over the years however, acidification tendency is to decrease 0.1 to 0.2 pH units/century. Acidification is a consequence of carbon dioxide (CO₂) absorption in seawaters...

The HI-782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling...

Hanna Checker - Phosphate ULR Colorimeter The Hanna Phosphate checker ULR is an awesome little tool that will give you accurate easy to read results.  If you have bad eyes or have a hard time with color change...

Make sure your marine tank or even a natural reef is in perfect health with the Hanna Reef Kit. This great professional kit includes: HI-772 Seawater/Marine Alkaline Checker®HC(dKh) HI-758 Marine Calcium Checker® HC HI-774 Marine...

Hanna Marine Master Photometer Kit HI-97115CProfessional multi-parameter photometer for marine aquariums and field use. The HI-97115C combines eight essential tests into one waterproof, wireless device. Ideal for monitoring coral reef health, fish systems, and precise...

The HI-98107 pHep® revolutionised the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. This pocket sized pH tester is used by millions of people around the world to...

Salinity Tester - digital Salinity tester  The waterproof HI98319 salinity and temperature tester is perfect for any saltwater aquarium. A more accurate alternative to refractometers, this tester uses conductivity to determine salinity levels of natural and artificial seawater. Ideal...

The HI-96822 digital refractometer is a rugged, portable, water resistant device that utilises the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates. The HI-96822...

The easy to use Checker plus is a real favourite with students and researchers due to its clear LCD display and long thin pH electrode. The checker offers automatic calibration and buffer recognition, calibrated buffer...

Hw Odinex is one of the most reliable remedy against Oodinium (Marine Velvet) and Cryptocarion (Marine Ich, White Spot) in marine aquariums. Hw odinex has been successfully been proofed several million times in over 30...

Precision density hydrometer to determinate salinity. Includes: Density hydrometer260mm long + measuring cylinder

  JumpGuard DIY Aquarium Cover There is nothing worse than coming down in the morning to finding your favourite fish lying dead and crispy on the carpet.  Many fish, especially wrasse, have a tendency to...