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The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat control makes it simple...

The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat control makes it simple...

Fauna Marin Bacto Reef Therapy is especially developed mix for all kind of marine aquaria. The perfect Mix of halophilic and probiotic bacteria cultures, removes waste products derived from fish food and helps with degradation of particulate organic...

Fauna Marin Bacto Reef Blend bacteria system for marine aquarium is a special composition of halophilic and phototrophic bacteria cultures that quickly activates and stabilizes all relevant biological nutrient cycles in your aquarium. Our best Bacteria...

ReBiotic is a 100% natural bacteria-based product that contains a unique mixture of bacteria strains. The addition of these special strains help replenish bacterial stability and repair existing bacteria films that have been damaged by sudden system...

Fauna Marin Coral Sprint is a premium grade marine Bacterioplankton substitute for feeding corals in ULNS systems. Premium grade marine Bacterioplankton substitute for feeding corals in ULNS systems. Dosing...

Natural food particles for keeping colorful Ricordias and Zoas, Discosoma and small polyp corals like Goniopora and others. Dosing: Add 1/4 tsp with Aquarium water mix it and dose this amount for a 50 gal. tank. Do not overdose ! When starting out,...

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,...

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,...

RED X is a special formula that prevents algae growth in the aquarium. Red X safely treats unwanted algae in a biological / organic way and is very gentle to aquarium inhabitants. When used correctly at the intended dosage, RED X is 100% safe to use...

RED X is a special formula that prevents algae growth in the aquarium. Red X safely treats unwanted algae in a biological / organic way and is very gentle to aquarium inhabitants. When used correctly at the intended dosage, RED X is 100% safe to use...

Mop Head Attachment for Aquablade Algae scrapper by Continuum

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...

API® 5-in-1 Aquarium Test Strips are the quick and easy way to test the 5 most important water parameters – pH, KH, GH, nitrate, and nitrite – in one easy step. Simply dip one test strip directly into the aquarium, and compare the colors...

Single 16" Round Mega CaveReal 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...

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...

Simplicity DC Pumps are designed to meet the needs of all types of aquariums at a price point that you’ll love. These high-efficiency pumps are extremely powerful and quiet. The included controller gives you the power to control flow at a...

Simplicity DC Pumps are designed to meet the needs of all types of aquariums at a price point that you’ll love. These high-efficiency pumps are extremely powerful and quiet. The included controller gives you the power to control flow at a...

Simplicity DC Pumps are designed to meet the needs of all types of aquariums at a price point that you’ll love. These high-efficiency pumps are extremely powerful and quiet. The included controller gives you the power to control flow at a...

Simplicity DC Pumps are designed to meet the needs of all types of aquariums at a price point that you’ll love. These high-efficiency pumps are extremely powerful and quiet. The included controller gives you the power to control flow at a...

The Maxspect Glue gun is a unique corrosion free device that dispenses an extra thick consistency Gel great for heavier frags that you need to stand vertical even under water. Dispense what is needed and never have to worry about the glue drying up...

New Life Spectrum® doesn’t do marketing gimmicks. If we release it, it has to work. We’ve created a real probiotic food with a biologically effective concentration of probiotic bacteria(at least 3 million viable cultures per gram!)...

New Life Spectrum® doesn’t do marketing gimmicks. If we release it, it has to work. We’ve created a real probiotic food with a biologically effective concentration of probiotic bacteria(at least 3 million viable cultures per gram!)...

New Life Spectrum® doesn’t do marketing gimmicks. If we release it, it has to work. We’ve created a real probiotic food with a biologically effective concentration of probiotic bacteria(at least 3 million viable cultures per gram!)...

New Life Spectrum® doesn’t do marketing gimmicks. If we release it, it has to work. We’ve created a real probiotic food with a biologically effective concentration of probiotic bacteria (at least 3 million viable cultures per gram!). The...

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Red Sea liquid additives come with a dosing spout built in "dosing ready" bottle.  You will need one of these kits to add a tube to the dosing ready bottles in order to attach them directly do a dosing pump. What's Included? 2x Red Sea Dosing Cap...

Sometimes, a hand-held scraper is still the way to get certain areas of your tank clean. With a patent pending design that allows you to use any old credit card, gift card, or even a hotel room key as a scraper blade, you may never have to buy blades...

Zip Bag Durable Seams & Corrosive-Proof Zipper 32 cm x 14 cm (19" x 17"). Excellent Choice for Large Filter Media like Pelleted Carbon and/or Biomedia Such as Matrix No Strings or Ties. Large Mesh Durable Seams Corrosive Proof Sipper Holds up...

Zip Bag Durable Seams & Corrosive-Proof Zipper 32 cm x 14 cm (12.5" x 5.5"). Excellent Choice for Most Filter Media No Strings or Ties Fine Mesh Durable Seams Corrosive Proof Sipper Holds up to 1 Liter of Media No Strings or Ties

The Phosphate Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphate Ultra Low Range Checker® HC - HI774 that has a range of 0.00 to 0.90 pp as phosphate. This high-quality set of standards is...

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...

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...

The Marine Alkalinity (dKH) Checker® HC Calibration Check Set - HI772-11 provides a simple solution to validating the Marine Alkalinity Checker® HC - HI772 that has a range of 0.0 to 20.0 dKH. This high-quality set of standards is...

HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring...

Dosetronic is a truly smart dosing station for the reef aquarium with 5 independent channels that are using high precision stepper motors. When combined with the Alkatronic, the 2 unique functions “Auto-Correction” and the...

This listing includes the 32.5 Gallon Aquarium and the matching Black Fluval Stand. The Flex 32.5 US Gal. (123 L) makes an exciting addition to Fluval's bold curved aquarium series. It comes equipped with a mobile device operated Aquasky LED that offers...

Perfectly sized for the Flex 32.5 US Gal (123 L) – Item #14995, sold separately Curved stand follows the smooth contours of the Flex aquarium Sturdy cabinet in black with Ash grain-look doors and a gloss edge Swing-open doors with soft-close...

200 gallon box, contains four individually packed 50 gallon bags. 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...

Soft Bundle Combo Kit of one A360X Tuna Blue Cannon and one Kessil Rigid Tank Mounting Arm LED Product Description The A360X has 25% more light output with 30% less in volume size, equivalent to almost 80% higher PVD than the A360. Higher Photon...