"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.   Base Dry Rock - 20...

This reagent works with both the 755 & 772 Hanna checker.  It may come with the tag 755-26 or 772-26, both reagents work with both checkers. Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample,...

"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. Marco ReefSaver is a natural...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor elements of natural sea water that are utilized by...

"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. This is Marco Rocks newest...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

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...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

Increase the beauty of your aquarium landscape with these unique style stones and rocks to look like miniature rock formations. Customize your reef structure with safe, all-natural materials available in an assortment of sizes and shapes to enhance your...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker HC. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for...

Reagents for the HI774. 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...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the clarity...

"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:...

Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro Salt is ideal for reef aquariums, in particular for...

ONE PIECE of Black Egg Crate for Aquariums. Modular - Each section of egg crate has built in connectors to secure multiple pieces together to create a larger section. The perfect solution to place underneath your live rock structure to protect the...

"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:...

Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping on hand no more Trident reagent than you might...

Safety Stop is a simple and effective way to help protect your Saltwater and Freshwater aquarium fish from serious unwanted disease outbreaks caused by external parasites, and bacterial and fungal infections. New fish are often the source of infectious...

A range of 3 high quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag...

See your corals in a whole new light through the Fritz Aquatics coral viewing glasses!These specially designed glasses block the blue light so you can see your corals at their most vibrant.

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...

The pharmaceutical grade sea salt especially for modern reef aquaria. Tropic Marin® PRO-REEF Sea Salt has been designed to meet the special requirements of reef aquariums with optimized concentrations of calcium and magnesium, which promote the...

Reef Flux is a fluconazole aquarium treatment that is effective against certain fungal fish infections.  It also works to kill Bryopsis & Green Hair Algae in mixed reef tanks. To avoid unintended nutrient spikes, Reef Flux should not be used in...

PLEASE ONLY PURCHASE 1x Two Month Supply.  We will not be able to restock any reagents for the next 30 days. 2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day).  The reagent kit has at least 240...

Because Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish like Mandarin dragonets, Seahorses and Pipefish. They are easy to...

"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. Two Little...

If you don’t always have time an automatic fish feeder is ideal. Also when on holiday. You can easily programme the feeding times as well as the amount of food and the fish feeder ventilates the food at precisely the    correct doing time...

Acclimating fish and coral gives your new arrivals and fin up for living in your tank. Drip acclimating is less intensive on you and easier on the fish. This simple, yet effective drip acclimator is used around our office and by Mr. Saltwater Tank. 

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"

A range of 3 high quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag...

(New Mobius Version)  MP40 Vortech Dimensions Dry-Side: 3.00 x 2.25 inches (76.0 x 57.0 mm) Wet-Side: 3.00 x 3.00 inches (76.0 x 76.0 mm) Flow Flow: 4,500+ gallons (17,000+ liters) per hour Tank Range Max Tank Thickness: 0.75 inches (19...

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...

Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro Salt is ideal for reef aquariums, in particular for...

The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors...

Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro Salt is ideal for reef aquariums, in particular for...

Aiptasia-X is a unique, thick adhesive mixture that globulates on contact with the aquarium water. It is easily injected near to the oral disk of the anemone and stimulates the anemone to ingest the material without causing it to withdraw...

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...