"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight.   Rock Sizing:...

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...

Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 6x tests. The Hanna...

A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS Corals (such...

Marine fish eggs harvested from the cold North Atlantic Ocean, the source of the best nutrients. Shipping: Click Here to Learn More about Shipping of Live & Refrigerated Foods from Reef Nutrition An excellent food for a wide range of...

In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium LED lighting can be. The 6th generation pushes the...

Give Yourself The Edge - The Most Advanced Handheld Aquarium Cleaner Ever Made!   FLOAT. FL!P. SCRUB. & SCRAPE. Now with TWICE the cleaning power! FL!PPER Aquarium Products' patented 2-in-1 magnetic aquarium cleaner, now with dual...

Key New Features in our A3 Series: The A3 Pro will include all new, industry-first, Liquid Level Sensor (LLS) which will have the ability to measure and monitor the depth of water and a new optical multi-surface leak detection probe that works on any...

EHEIM Plant tongs Our plant tongs enable you to work in your aquarium without having to roll up your sleeves. You can place, move or remove plants and other items in the bottom of the tank and even difficult to reach become accessible. Dead leaves or...

Abyzz A400 4,800 GPH Controllable DC Pump The innovative Abyzz A400 DC Pump is built by a German company that only uses the best parts to make an incredibly reliable, efficient controllable DC pump. Featuring laser welded a titanium encased Neodymium...