Reef Builders

Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ ReefMat 500 Length: 92' Width: 4.4"

Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ ReefMat 1200 Length: 115' Width: 6.7"

Only Selcon Concentrate contains Omega-3 HUFA, Vitamin B12 and pure stabilized Vitamin C. So if you are establishing a saltwater breeding program, preventing/reversing lateral line disease or just maintaining a healthy reef system, try Selcon; it's...

REEF-SPEC Carbon Highly activated carbon for marine & reef aquariums Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics. Red Sea REEF-SPEC™Carbon’s granule...

Ammonia Alert™ is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are...

Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™. Amazing porosity, incredible biological performance (drops ammonia like real live rock), and unsurpassed realism make LifeRock™ the best and most cost effective rock...

Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...

AquaStik Red Coralline. Underwater Epoxy Putty for marine aquariums and reef aquariums. Color matches coralline algae and live rock. Excellent for securing rock, stony corals, gorgonians and aquatic plants. Non-toxic to fish, plants & small animals...

IC-GEL™ is a cyanoacrylate paste that is extremely thick which comes in an applicator tube like toothpaste. It has the same bonding and curing time characteristics as MAXI-CURE™. IC-GEL™, however, can be applied to a vertical surface...

Deluxe 4-color tube kit Everything required to connect a dosing pump in one convenient kit. Available in 2 color versions (blue/green and red/yellow), providing 8 unique colors for easily identifying a full range of supplements from container to dosing...

Pre-wired Electronic Heating Thermostat Temperature Controller and Digital Timer Controller for Aquariums, now with WIFI control. ITC-306T WIFI is a pre-wired heating output temperature controller with time function specifically for aquariums. It can be...

Prime® is the complete and concentrated conditioner for both fresh and saltwater. Prime® removes chlorine, chloramine and detoxifies ammonia. Prime® converts ammonia into a safe, non-toxic form that is readily removed by the tank’s...

With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...

ReefDose is designed and built specifically for the daily supplementing of reef aquariums.  ReefDose uses bespoke (patent-pending) single-drop-accuracy dosing heads together with an advanced controller that provides a full suite of features...

Neutral Buoyancy These tweezers have neutral buoyancy so it will hover in the water column. High Strength Carbon Fiber These tweezers are made with high strength carbon fiber, light-weighted but fit for lifting heavy objects in your aquarium...

1½" Spheres Designed for Ammonia and Nitrite Removal One MarinePure Sphere has the same surface area as 1,350 plastic 1.5" bio-balls. Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock...

Deluxe 4-color tube kit Everything required to connect a dosing pump in one convenient kit. Available in 2 color versions (blue/green and red/yellow), providing 8 unique colors for easily identifying a full range of supplements from container to dosing...

The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model - https://www.redseafish...

Spot Check - Get marine water testing for the 8 core elements of a saltwater fish tank from the comfort of home.  Use this mail in water test to spot check your marine aquarium and/or verify what your seeing on your home test kits. It is time to...

Years of research and testing are behind Red Sea’s ReefLED™ smart reef lighting system. These lights have been designed to ensure optimal coral growth and dramatic coloration, while creating a gentle shimmer throughout the aquarium. Maximum...

The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model - https://www.redseafish...

Live product. Keep refrigerated. Do not freeze. Refrigerated life is 4 months with a temperature Range of 34 - 50 degrees F. Use before expiration date on bottom of bottle. Shipping: Live Foods Ship on Select Days & Have a 100% Arrive Alive...

Based on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the...

ased on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the...

Designed with hobbyists needs in mind the highly effective flow dynamics of the REEFER™ Skimmer will maintain an optimal ORP (REDOX) level of over 350mv, a level that is normally associated with ozone treatment. RSK - 300 Footprint - 9.1...

This is the first Mass Spec test offered to the aquarium industry.  We will test over 50 elements down to ppt, parts per trillion.  There is not any test more accurate available.  This test is up to 1000x more accurate than traditional ICP...

The standard aquarium is made with care to ensure that it can stand up to almost any application. These aquariums come in a wide range of sizes with black trim. Large aquariums feature one-piece center-braced frames that eliminate glass bowing. Aquariums...

Made in USAScraper for saltwater and freshwater aquariumsNo hollowness here.The AquaBlade is injected molded as a solid piece of plastic which keeps water from entering the unit while using. This means no hollow handles and drizzling of excess water when...

Blue/Green Tubes - 4 x 3m (10')

The Deluxe Water Change Kit Includes: 1x - 5 Gallon Orange High Density Polyethylene Bucket ($5.00) 1x - Hanna Salinity & Temp Checker ($69.00) 1x - Sicce Syncra Multi 800 Pump ($34.71) 1x - 10' Foot EHEIM 12/16 Hose ($11.49) 2x - Black Hose...

Overview  • Contains calcium, strontium, and magnesium in the same ionic ratios found in aragonite. This unique feature increases the usefulness of Kalk+2 to reef-building invertebrates such as corals, clams, calcareous algae, etc...

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...

Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ ReefMat 250 3.2” - Fleece-mat width

Red/Yellow Tubes - 4 x 3m (10')

FREE ON ORDERS OF $2000 or MORE! The Basic Water Change Kit Includes: 1x - 5 Gallon Orange High Density Polyethylene Bucket ($5.00) 1x - Generic Refractometer ($24.95) 1x - JW Themometer ($5.95) 1x - Sicce Syncra Mulit 800 Pump ($31.47) 1x - 10'...

No strips, no tests, just constant readings. Now Ammonia Alert and pH Alert come together! Ammonia Alert and pH Alert employ Seachem Sensor Technology; a sensor changes color reversibly to alert you to shifts in ammonia levels and shifts in pH...

5 US Gallons - High-density polyethylene construction withstands temperatures up to 180°F.

Redesigned optics provide an even light distribution that blankets your aquarium with up to 48” of coverage. This uniform coverage minimizes hot spots and creates an effect similar to that of a metal halide / T5 combo...

Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels. Kalkwasser solutions maintain calcium directly and carbonate alkalinity indirectly. However, its capacity to...

100% Non-Toxic - Triton ICP Tested  Now offered in Natural and Coralline! Have you ever wondered how they make those remarkable aquascape structures? MarcoRocks E-Marco-400 Aquascaping Kit is how! The kit includes everything you will need to...