Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF STOCK PHOTO SHOWS WHAT CAN BE DONE WITH EXTRA PARTS SOLD SEPARATELY - THIS KIT ONLY MAKES A MAX SIZE RECTANGLE LISTED   Keep your finny...

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...

Red Sea's Coral Colors ABCD Provides the 31 minor and trace elements required by corals: A – Halogens (I2, Br2, F2) B – Potassium & Boron C – Fe & 7 Complementary Metals D – 18 Bioactive Trace Elements Coral...

A revolutionary product developed by Julian Sprung for cleansing live stony and soft corals, zoanthids, and anemones. It is a surface cleaning dip based on plant extracts. Use for all general purpose live coral cleansing, as a part of acclimation to...

One Rock Flower Anemone Coral 3" to 5" in size. *Photo is a representation of the corals you will receive.  These are not WYSIWYG - Photo is a representation of the corals you will receive. ALL CORALS WILL VARY IN COLOR, SHAPE, SIZE,...

Requires a Hydros to Control the Unit The HYDROS Dosing Pump is a simple and affordable way to automate the addition of liquid supplements, trace elements, and two-part solutions to an aquarium. Connect the Dosing Pump to any available HYDROS Control...

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...

Replacement dosing pump with low voltage 3-12V DC for osmolator.Power with 4mm hose at 11V: 0.9m – 110/h, 1.4m – 80l/h, 1.8m – 58l/h, Hmax 3.6m.

Super nutritious Natural Purple Seaweed sheets. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish...

Fish Food – Frozen Brine Shrimp Baby Brine Shrimp Scientific name: Artemia sp. Hatched From Decapsulated Cysts Baby Brine Shrimp are the perfect food for baby fish and reef tanks. Our baby brine shrimp are obtained through hatching...

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...

Coarse Mesh Nets are ideal for general fish handling and our Fine Mesh Nets are perfect for delicate fish handling and skimming debris. Sizes: 4", 5", 6", 8", 10" and 12". Long handle Nets: 5" and 8". All nets include a convenient net holder. Our...

Coloration can vary - these are not always white, brown is common as well. Porcelain crabs live in abundance in Pacific Coast tide pools. They hide under stones, between mussels in mussel beds, among sponges and tucked into tufts of algae. Safely...

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...

The Python No Spill Clean an d Fill is a complete ready-to-use system which adapts easily to most faucets and makes water changes a breeze.  It drains as well as fills aquariums and will not disturb fish or decor during routine aquarium maintenance...

Brightwell Aquatics NēoMarine Salt Mix creates an ideal marine environment for aquarium inhabitants by providing all major elements, all non-conservative (depleted by natural chemical and biological processes) minor and trace elements, and elements known...

Our NEW feeding device, MagFeeder and its accessories make feeding your fishes more effective and enjoyable. MagFeeder comes with a floating feed ring that retains flakefoods, pellets, powdered invertebrate feeds, or any food you want to dose into your...

Calcium Test Kit Calcium is one of the most important elements in a reef aquarium. Reef invertebrates such as corals, crustaceans, mollusks and even some types of encrusting algae need calcium to grow and remain healthy. Over time, calcium levels drop...

DINO X is a very strong and effective solution which removes any hairy or plague type algae growth and dinoflagellates in Reef Tanks. It treats algae outbreaks in reef aquariums without harming any corals.T Treats heavy algae outbreas: Hair, Bubble,...

FMM – FLUID MONITORING MODULE IT DOES SO MUCH! This is just the module itself without and sensors. The FMM (Fluid Monitoring Module) is a module that connects to any Apex (Apex(2016), Apex Classic, Apex Lite, Apex Jr.) via it’s AquaBus...

The HI736 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure phosphorus in marine systems including reef tanks. Phosphorus is an important parameter to measure in aquaculture and aquariums; levels that...

The Maxspect Coral Gripper is a long reach tong grabber specifically designed for use in marine aquariums with 316L stainless steel components. Enjoy dry hands and arms as you easily gently move corals and other ornaments within the aquarium. A strong...

The Black Ocellaris is a stunning color morph of A. ocellaris that is sometimes referred to as the Darwin Ocellaris or the Darwin False Percula.  This is a naturally occurring variation for the species with a very limited range.  It...

Swing check valve assists in blocking reverse flow and to allowing forward flow.

Astraea Snails are awesome herbivores that have an amazingly voracious appetite for nuisance algae in the home aquariums.  Astraea Snails graze on algae's such as diatoms and cyano. Clean Up Crews only Ship on Monday - Thursday to avoid...

Angels, Tangs, Butterflies, Mollies and many other freshwater and marine fish are natural “pickers”. They graze 90% of their day picking at the surfaces of wood, corals and rock. It is important that they are offered plenty of seaweed and...

NITRATE REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is...

Not quite Reef Saver, not quite Shelf.  Quite Unique. This Hybrid MarcoRock seems to do it all.  It lends itself to be quite easy and forgiving to work with.  The shelving aspect allows for ample ridges and overhangs, which truly is the...

Masstick is a blend of diverse, all natural, self-production, highly technical compounds, providing natural and balanced nutrition for omnivorous fish and marine invertebrates. Comprised of raw materials of marine origin. It does not contain...

Replacement Filter Kit Includes: Spectrapure High Capacity Silica Buster DI Filter Cartridge 10"  Spectrapure High Capacity Maxcap Super DI Filter Cartridge 10"  Spectrapure RODI Carbon Filter 0.5 Micron Standard Spectrapure RODI Sediment...

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 25x tests. The Hanna Marine...

Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. TWIN PACK. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ NanoMat 2.17”...

One Meter to RULE THEM ALL! Marine Master Waterproof Wireless Multiparameter Photometer w/Bluetooth Connection to the Hanna App where you can save your results. pH (HI780) Alkalinity (HI772) Ammonia (HI784) Calcium (HI758) Magnesium...

Pincushion urchins are nocturnal herbivorous animals and forage at night on primarily phytoplankton, algae and seaweed making them an amazing part of any reef tank cleaning crew.    They do not have eyes or ears, but they do have a mouth and...

Paguristes cadenati, the scarlet hermit crab (not to be confused with the Mexican Red Leg Hermit), is a small (about 3 centimetres or 1.2 inches across) species of hermit crab with a bright red body and yellow eyestalks that...

AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other...

Nerite snails are extremely popular for their unique patterns and colors, as well as their practical benefits. They work hard to clean algae off of glass, plants, and decorations, they eat hair algae, and they keep your substrate clean and the...

The Radion G5 Diffuser Accessories. Gentle caustics Further color mixing Further intensity balancing 2 Models one version for all XR15 models and one version for all XR30 models. Specifically designed for the G5 (Use the previous model...

The name Peppermint Shrimp applies to a variety of Lysmata species that are distributed along the Eastern Seaboard, Gulf of Mexico and the Caribbean. This attractive shrimp is named for the red stripes running the length of its transparent to...

Pre-measured refractometer calibration solution takes the guesswork out of properly calibrating your instrument - with no need for expensive or unreliable measuring equipment. A refractometer is essential to the saltwater hobbyist for success. Maintain...