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...

Classic In-Sump Protein Skimmer A member of the Reef Octopus Classic Series, this popular in-sump skimmer will provide great filtration for aquariums up to 130 gallons. As with every Reef Octopus protein skimmer, the Classic 110INT is...

Besides calcium and strontium, some coral and coralline red algae also store magnesium in their skeleton. It is biochemically directly involved in the photosynthesis of algae, i.e. the conversion of carbon dioxide and light into organic compounds...

Efficiency: 24V / 40watts       Dimensions: 3.75in(W) x 5.7in(L) x 5.5in(H)Controller Features: multiple pause times, float switch safety and 0-10v input for 3rd party controllerIncludes: VarioS-4 pump,...

Plug this probe into your FMM and then place it underneath your carpet near your aquarium. Upon contact with water this probe will communicate to your Apex and alerts or other actions can then take place. Don’t have carpet, see the next...

A Single Long 24" Mega ArchReal aragonitic base rock, not cement, no curing. Extensive macro and micro-porosity infused with spored bacteria for outstanding biological performance. Clean and safe for all fish and inverts, environmentally responsible each...

VarioS 2 Water Pump Specs Output thread size:  1in slip PVCInlet union size: 1in slip PVCOutlet Barb Size: 1/2-3/4in Stepped Dimensions: 4.75in(W) x 5.7in(L) x 4in(H)   Voltage: DC 24VPower...

Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control boxes and 0-10v based devices to warning lights and...

The Marine Calcium Checker® HC Calibration Check Set - HI758-11  provides a simple solution to validating the Marine Calcium Checker® HC - HI758 that has a range of 200 to 600 ppm calcium. This high-quality set of standards is...

Design: Redesigning the plastics in the Hydra lineup has resulted in two major benefits: better efficiency and better aesthetics. Efficiency improvements reduce the demands on active cooling for longer component life. Improvements to design thin the...

Fritz ParaCleanse treats and controls of a wide variety of parasitic diseases. Use Fritz ParaCleanse for outbreaks of aquatic parasites including velvet (Oodinium dinoflagellates), hole-in-the-head disease (Hexamita spp. & Spironucleus), fish lice,...

Sludge and organic busting beneficial bacteria will naturally dissolve the sludge and dirt that accumulates in an aquarium and prevent the build-up of debris when used on a regular basis. Also removes dissolved organics. Waste-Away is fast acting and...

SYNCRA SDC are the latest generation of SYNCRA pumps and are equipped with integrated intelligence systems to meet the needs of advanced recirculating applications. With programming freedom, controllability is finally coupled with power, energy...

IceCap Fish Trap disassembles for space-saving storage and assembles in minutes. Bait with food and as soon as the desired fish is inside the trap simply release the mechanism to close the trap door.  The traps holds in place with two enhanced...

This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium skeleton in corals. There are several different methods for...

With NYOS® CHROMYS you get a liquid zoological plankton concentrate which can be used directly. CHROMYS contains high-quality Mysis relicta (0.2-20mm). This provides ideal nutrition for numerous seawater fish and LPS corals. CHROMYS strengthens...

These industrial series PVC Schedule 80 valves are the best on the market.  Cepex offers a complete range of ball valves in PVC-U and PVC-C (both manual and automatic), featuring the “Antiblock” system which prevents ball jamming...

Looking for the Perfect Refugium LED?  Look no further. The main driver of primary production in most ecosystems is photosynthesis. Plants, ranging from miniscule phytoplankton to hulking mangroves, carry out the bulk of photosynthesis in most...

Rock Sizing: 4-8″ - Smaller Sized Rocks Real Reef Rock is our standard reef building rock.  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

SpectraPure® Low Waste 90 GPD CSPDI 4 Stage RODI System with Manual Membrane Flush.  CSPDI incorporates SpectraPure’s individually tested, 98% ultra high rejection SpectraSelect Plus TFC membrane, 0.5 Micron Sediment and 0.5 Micron Carbon...

DesignInnovative heat dissipation allows for fanless, low maintenance, shell-shaped design. Advanced optics create smooth color mixing and a beautiful shimmer.Dense Matrix LED ArrayOur unique, efficient Dense Matrix LED array is built in-house and packs...

Go from scraper to scrubber in one simple snap with the Razor+ 2-in-1 Algae Magnet. For up to 6 mm glass thickness. (0.25 inches). 2-in-1 design allows user to change from scraping to scrubbing mode in one simple flip Non-abrasive scrubber is...

Eshopps Nano skimmer for 10-35 gallon aquariumsNo room for a quality protein skimmer?  Think again. The Eshopps Nano Skimmer has a small footprint of just 4 1/2" x 2 1/4" x 11 1/2" high that allows convenient placement in small spaces- perfect...

We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live Nitrifying Bacteria prevents new tank syndrome by...

The perfect solution to help organize and control the rat's nest of wires that most aquariums suffer from.  This board was created to easily allow you to mount an apex, power strips, equipment controllers and much more so they are easily accessed an...

Expel-P (Levamisole HCl), is an anthelmintic (anti-worm) and immunostimulant agent. Expel-P is safe to use in freshwater and saltwater aquaria and is effective against many internal parasites, especially nematodes, when used as directed. It does not harm...

Design: Redesigning the plastics in the Hydra lineup has resulted in two major benefits: better efficiency and better aesthetics. Efficiency improvements reduce the demands on active cooling for longer component life. Improvements to design thin the...

Well built, easy cleaning via the removable body, easy adjustment, quiet and most importantly, skimming great.  Bubble-Magus skimmers are practical and highly efficient. These skimmers offer innovative features along with reliable pumps at an...

The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for maximum UV effectiveness.  Aqua Ultraviolet UV’s will clear your water in 3 to 5 days sometimes...

The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for maximum UV effectiveness.  Aqua Ultraviolet UV’s will clear your water in 3 to 5 days sometimes...

Kessil H160 Tuna Flora LED Refugium Grow Light is a horticultural light that is fine tuned for photosynthesis and uses the same platform as the Kessil A160. There are no white LEDs in the Kessil H160, just blues and red in the right proportion to...

These industrial series PVC Schedule 80 valves are the best on the market.  Cepex offers a complete range of ball valves in PVC-U and PVC-C (both manual and automatic), featuring the “Antiblock” system which prevents ball jamming...

The Marine Alkalinity Checker® HC Calibration Check Set - HI755-11 provides a simple solution to validating the Marine Alkalinity Checker® HC - HI755 that has a range of 0 to 300 ppm CaCO3. This high-quality set of standards is...

Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses British Standard Parallel Pipe...

The Phosphorus Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker® HC - HI736 that has a range of 0 to 200 ppb as phosphorus. This high-quality set of standards is...

New Mounting Design Now available for the Hydra 32HD and Hydra 64HD, flex arm mounting is no longer reserved for the AI Prime alone. The Hydra Flex Arm is the simplest and cleanest full size fixture mount to date.

The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L). This high-quality set of standards is...

With the EHEIM autofeeder+ we offer you the smart version of our (basic version) autofeeder with additional functions and advantages.The EHEIM autofeeder+ is our intelligent automatic feeder with digital control via WLAN. All functions can be programmed...

These industrial series PVC Schedule 80 valves are the best on the market.  Cepex offers a complete range of ball valves in PVC-U and PVC-C (both manual and automatic), featuring the “Antiblock” system which prevents ball jamming...

The HI731360 is a replacement glass cuvette, with a cap, for use with the HI977 series of portable photometers. 2 pieces Cuvette and cap Optically clear glass