Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per...

Known by various names, including Pacific cleaner shrimp, scarlet cleaner shrimp, and skunk cleaner shrimp, these shrimp play a vital role in coral reef ecosystems. Their common name is derived from the fact that a large portion of their diet is made up...

This is NOT Coral Pro - This is the basic Red Sea Salt in a 200 Gallon Sack. Red Sea Salt contains moderately elevated and balanced levels of the foundation elements (Calcium, Magnesium, Bicarbonates) necessary for sustainable coral growth...

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,...

ALL-NEW DURABLE PACKAGING! Each 16oz portion of 5280 Pods contains 5280+ LIVE Tigriopus, Tisbe, and Apocyclops Copepods ranging from nauplii to adult sizes. 5280 Pods is great for seeding new tanks and refugiums, boosting...

It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand)...

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 HI758...

Movement SynchronizedSimulating natural water currents found on coral reefs, eFlux™ controllable wave pumps provide tank wide circulation, improving water quality and promoting strong coral growth and fish health.•    Silent...

Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in...

Super nutritious Natural Green Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish. Size: 12g (0.4 oz)

A multi-purpose dosing and fluid delivery system of uncompromising quality combined with the simplicity of Apex Fusion software wizards for operations such as: 2-part dosing (Calcium and Alkalinity) Other additives dosing Automatic water...

Neptune Systems Magnetic Probe Rack Features – MPR: Organizes up to four probes. Designed specifically for the Apex Controller probes, a perfect fit for the thicker temp probes. Built with an all acrylic weather and shatter resistant design...

Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to excess dissolved organics, nitrate, and phosphate when left unchecked. This makes Seachem Filter Socks an...

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for...

The PINPOINT® pH Electrode equals and exceeds lab quality by both specifcation and design.  The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture...

Super nutritious Natural Purple Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish. Size: 12g (0.4 oz)

Like starfish, brittle stars are echinoderms but are in the class Ophiuroidea rather than Asteroidea. Brittle stars have five long, skinny arms and a central disk containing a calcium carbonate skeleton and all of their internal organs. As long as...

Easily mount your AI Prime® on your rimmed or rimless tank with the adjustable Prime Arm Mount. Available in 12" and 18" inch lengths.

The VeggieMag uses magnetic attraction instead of a suction cup to hold our SeaVeggies clip in place for windows up to 3/4” thick! It’s easy to position at any level in the aquarium, and easy to retrieve it without getting your hands wet...

THESE ARE THE NEWLY UPDATED REAGENTS.  Now 1x powder and 1x liquid.  The testing process is the same as Alkalinity HI772 with one second liquid reagent. The HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer-...

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...

Replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings. Buy this probe if you are: Replacing an old probe. Adding another tank to your system via a PM1. Want to have more...

Schedule 40 Bulkhead 1" Slip X Slip Black (Hole Size 1 3/4")

South Seas Base Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for marine, reef and hard water freshwater aquariums such as...

Purigen® is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble impurities from water at a rate...

Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef...

Feed your fish consistently, and safely, while you are home OR away! NOT A STAND-ALONE FEEDER (MUST BE USED WITH AN APEX SYSTEM) A key component of caring for aquatic animals is regularly providing them with food, but in amounts that get consumed...

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...

Don’t be fooled by its compact demeanor! The Nero 3 punches well above its class delivering true 2000 gallons per hour (gph) of flow. That’s the kind of flow that keeps your tank clean and your coral healthy. Specifications: Max...

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 of cleaners provided in these packages are based on years of experience, and are tailored to...

Chemi-Pure Elite adds ferric oxide to the original Chemi-Pure formula to also remove phosphates and silicates, making it the only complete choice for filtering any kind of aquarium. With Chemi-pure Elite, we have taken the next step in keeping Chemi-pure...

Hand crafted in small batches at the Piscine Energetics' laboratory in British Columbia, Canada; PE PELLETS are a highly palatable, nutritionally complete fish food designed to enhance coloration and induce an energetic feeding response in all varieties...

At Two Little Fishies the big picture has always been about Little details. That’s why we’ve made a new synthetic seawater mix like no other. We call it AccuraSea1. AccuraSea1 is formulated to simulate natural seawater, and it’s...

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...

Foundation Pro Multi test kit High accuracy titration tests for the accurate measurement of theFoundation elements Calcium, Magnesium and Alkalinity (KH) It’s all in the balance Red Sea’s FOUNDATION PRO Multi Test Kit includes high...

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...

Mexican Turbo snails quickly eliminates large amounts of nuisance algae. It is particularly fond of hair algae and will consume mass quantities of it and other algae off your live rock and aquarium glass.  An excellent member of your...

Filter socks are used as a effective first stage of an aquariums filtration process and should be placed so that water coming from the tank filters into the filter sock first removing uneaten food, detritus, organic waste, dust and other small...

50 Page Notepad for keeping tracking of your water testing and parameters.  Includes suggested values.

ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL essential minerals and trace elements in new or moderately stocked reef aquariums. Benefits: Complete mineral supply in only one solution The most...