FREE WITH ANY ORDER.  JUST ADD TO YOUR CART WITH MERCHANDISE AND IT WILL BE FREE. A Business Card sized reference card for the most common aquarium parameters. 

We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...

Hanna Instruments HI97115UC Marine Master Bluetooth Multiparameter Checker Precision Testing for the Serious Reef Hobbyist Achieve unparalleled accuracy and control over your reef aquarium's water chemistry with the Hanna Instruments HI97115UC Marine...

This package is specifically designed for the 15 Gallon Hello Reef Aquarium Kit.   Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number...

This kit measures copper (all types) to less than 0.01 mg/L in marine or freshwater. Uses a highly sensitive catalysis based procedure. MultiTest® Copper performs over 75 tests and contains a reference sample for validation.

Copper treatment for external parasites Active at low concentration (does not precipitate) Bound on amine so it is not as toxic to fish 100% Removable with carbon or Cuprisorb Cupramine™ effectively eradicates Oodinium, Cryptocaryon,...

The HYDROS Start is the perfect first aquarium controller, expertly designed to combine a variety of essential features into a single, user-friendly device. This all-in-one solution allows you to effortlessly manage a wide range of...

The Perfect Start to Your Aquatic Journey Everything you need to get started with your first saltwater aquarium. Step-by-Step Video Instructions Portion of Net Proceeds to Ocean Conservation Ever wondered if you should take the plunge and build...