Products

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Hanna Checkers. The HI731315 includes 2 cuvettes and 2 caps.

Hanna Instruments Low Range Marine NITRATE Checker HC - HI781   The Hanna Marine Low Range Nitrate Checker® bridges the gap b...

Hanna Instruments Checker Marine Calcium Colorimeter Easier to use and more accurate than chemical test kits Colorimetric method Accuracy ±6% of r...

Hanna Marine Coral Care Checker Bundle – Calcium, Alkalinity & Magnesium Take the guesswork out of reef chemistry with this all-in-one digital ...

The HI97115 Marine Multiparameter Photometer is a compact powerhouse for aquariums and marine biology, capable of precisely measuring pH, Alkalinit...

Hanna Instruments Low Range Marine NITRATE Checker HC REFILL HI-781-25   1x PC x100 mL HI781A-0 25x PCS x 0.16g HI781B-0 ...

Hanna Instruments Checker Phosphate Colorimeter Easier to use and more accurate than chemical test kits Adaptation of Standard Method 4500-P E Accu...

Refill Kit for Hanna Instruments PO4 Checker - pack of 25

Testing and monitoring salinity in saltwater aquariums is an ongoing task. The HI981520 is an easy-to-use vertical mount unit that continuously mon...

he HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwate...

HI782-25 Marine Nitrate High Range Reagents are for use with the HI782 Marine Nitrate High Range Checker HC. They are manufactured in our state...

Designed to bring simplicity to salinity testing during the any process, the HI98319 Marine Salinity Tester measures conductivity (EC) to deter...

Get accurate results for your saltwater aquarium with our simple handheld colorimeter.   Our alkalinity colorimeter bridges th...

REFILL KIT FOR HI772   Get accurate results for your saltwater aquarium with our simple handheld colorimeter.   Our alkalinity c...

  25 refills per pack  

Replacement 225 Micron Felt Filter Sock – 2.7" for HelloReef 15 Gallon Aquarium Specifically designed for the HelloReef 15 Gallon Aquarium, this 2....

Give your HelloReef aquarium the solid foundation it deserves. Built with a sturdy, reliable construction, this stand is designed to safely support...

Say Goodbye to Filter Socks — Meet the 4" High-Flow Flexible Filter Media CupAvailable at Reef Supplies Canada Ditch the hassle of rinsing dirty fi...

Ditch the Socks – Upgrade to the 7" High-Flow Filter Media CupAvailable at Reef Supplies Canada Tired of rinsing messy filter socks? Our 7" High-Fl...

HYDROS Control Power Supply (w/ Terminator) HYDROS Control Power SupplyAllows you to power the HYDROS Control.   This power adapter is NOT compatib...

Monitor Passing Water FlowThe HYDROS Flow Sensors are easy-to-install flow meters that communicate to the HYDROS app the flow rate of water passing...

Monitor Passing Water FlowThe HYDROS Flow Sensors are easy-to-install flow meters that communicate to the HYDROS app the flow rate of water passing...

CoralVue HYDROS 5-PIN System Command Bus Cable   This 14ft long HYDROS System Command Bus Cable allows HYDROS devices to communicate and even provi...