Canada’s Best-Selling Reef & Aquarium Gear – Trusted by Professionals

Made in the USA - Canada’s Best-Selling Color Changing DI Resin.  Fills One 10" DI CartridgeShips in mylar bag Experience unmatched confidence wit...

  What is the difference between regular and HC German GFO? The main difference is that HC is roughly 1.5 times more effective at removing P...

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

SOLD BY THE POUND pH balanced Comes in pelleted format Minimal phosphate levels Huge surface area It is not acid-washed, so it does not l...

Specially formulated for the use with reverse osmosis water Red Sea is please to announce the addition of an innovative new salt formula designed t...

Contains 3x 2-month reagent kits  (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day).  The 2month reagent kit has at least 240 alka...

DOW FILMTEC™ Next Generation Home RO Elements Dow's next generation elements have been precisely designed and will replace existing DOW FIL...

Marco Rock - Premium Dry Key Largo (20 lbs Each box is hand packed by a reef tank enthusiast to ensure you will get what you need and want for your...

REEF ENERGY PLUS  All-In-One Coral Superfood An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resi...

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...

Specially formulated for the use with reverse osmosis water Red Sea is please to announce the addition of an innovative new salt formula designed t...

2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day).  The reagent kit has at least 240 alkalinity tests and 120 ...

DOW FILMTEC™ Next Generation Home RO Elements Dow's next generation elements have been precisely designed and will replace existing DOW ...

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

Introducing the new Nero 5 with improved magnet by Aqua Illumination   Up to 3,000gph   Don’t be fooled by its compact demeanor! The Nero 5 punches...

Introducing our revolutionary Pelleted High Performance Activated Carbon – the ultimate solution for achieving unparalleled water purification and ...

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

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

Prime™ 16HD Reef Huge Light in a Tiny Package   HD Power No longer are you limited to using a fixed amount of power per channel, the Prime 16HD dy...

New and better in every way! Proudly bringing the cutting edge of technical innovation to the award winning Vortech pump line. Quietdrive will rede...