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The carbonate hardness (KH)* or alkalinity* of a water sample characterizes the buffering ability, ie the ability to maintain the pH value of the water. It is largely determined by the proportion of hydrogen carbonate ions in the water. As the...

The test set Tropic Marin® Compact Lab includes all the important tests for prompt and precise determination of water values. The pH value, alkalinity, phosphate level, nitrite and nitrate content as well as the ammonia concentration of the...

Concentrated Magnesium Supplement for All Marine Fish & Reef Aquaria Overview Highly-concentrated ionic magnesium solution. Provides magnesium, which helps regulate the balance between calcium andcarbonates in aquarium water, and is a...

Plastic Snapper Hose Clamp 5/8" Black

Plastic Snapper Hose Clamp 5/8" Black (50 Count)

Plastic Snapper Hose Clamp 3/4" Black (50 Count)

Plastic Snapper Hose Clamp 3/4" Black

(50) Plastic Snapper Hose Clamp 1/2" Black

Plastic Snapper Hose Clamp 1/2" Black

(50) Plastic Snapper Hose Clamp 1" Black

Plastic Snapper Hose Clamp 1" Black

This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. These kits include an easy to read color chart so that the results are clear...

This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. These kits include an easy to read color chart so that the results are clear...

This tank is one of our best and most popular portable cylinders. Being a 5 lb CO2 tank, it weighs far less than steel and still has more than enough capacity to get the job done. Perfect to refill with CO2. It’s also a great tank for...

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...

A unique formula specifically designed for Marine Angelfish. Contains marine sponges, a primary component of their diet. Sponges are combined with fresh seafood and marine algae to create a balanced diet that helps improve health, vitality,...

A unique formula specifically designed for Marine Angelfish. Contains marine sponges, a primary component of their diet. Sponges are combined with fresh seafood and marine algae to create a balanced diet that helps improve health, vitality,...

A unique formula specifically designed for Marine Angelfish. Contains marine sponges, a primary component of their diet. Sponges are combined with fresh seafood and marine algae to create a balanced diet that helps improve health, vitality,...

Naturally nutritious frozen fish food. Rich in protein and supports coloration. Carefully cleaned to assure product quality and food safety. Quickly frozen to assure the brine shrimp stay whole and nutritious. These whole, live brine...

A unique formula specifically designed for Marine Angelfish. Contains marine sponges, a primary component of their diet. Sponges are combined with fresh seafood and marine algae to create a balanced diet that helps improve health, vitality,...

A unique formula specifically designed for Marine Angelfish. Contains marine sponges, a primary component of their diet. Sponges are combined with fresh seafood and marine algae to create a balanced diet that helps improve health, vitality,...

Our highest protein formula designed to rejuvenate and condition all freshwater and marine fish. Stimulates a positive feeding response in finicky or weak fish. Contains increased levels of specific key nutrients. Excellent during...

Our highest protein formula designed to rejuvenate and condition all freshwater and marine fish. Stimulates a positive feeding response in finicky or weak fish. Contains increased levels of specific key nutrients. Excellent during...

A natural, gourmet diet rich in fresh seafood and algae. Small gel bound bite-sized pieces (typical 0.5 to 2 mm) for rapid delivery. Helps support coloration and vitality in fish. Developed by aquaculture biologists to replace a natural...

A unique formula specifically designed for Marine Angelfish. Contains marine sponges, a primary component of their diet. Sponges are combined with fresh seafood and marine algae to create a balanced diet that helps improve health,...

Four Varieties of Food For All Saltwater Fish Saltwater Multi-Pack™ is four varieties of food in one package! It contains six cubes each of Marine Cuisine™, Emerald Entrée™, Plankton, and Omega Brine Shrimp in a convenient...

For Quick Growth For All Freshwater Carnivores Give your top level carnivores a protein boost! Beefheart is an excellent source of protein and is eagerly eaten by tropical fish and recommended as a supplement to the primary diet. Our frozen...

Promotes Health For All Fresh & Saltwater Fish San Francisco Bay Brand Frozen Omega Brine Shrimp have been gut-loaded with a lipid formula high in Omega-3 polyunsatured fatty acids (PUFA’s) in holding tanks prior to freezing. PUFA’s...

ProStar Rimless Aquarium V2 Polycarbonate Lids The NEW ProStar lid is made of a polycarbonate (Lexan) material with a clear mesh. The ProStar lid also includes evaporation covers made of the same polycarbonate material to ensure optimal light...

ProStar Rimless Aquarium V2 Polycarbonate Lids The NEW ProStar lid is made of a polycarbonate (Lexan) material with a clear mesh. The ProStar lid also includes evaporation covers made of the same polycarbonate material to ensure optimal light...

ProStar Rimless Aquarium V2 Polycarbonate Lids The NEW ProStar lid is made of a polycarbonate (Lexan) material with a clear mesh. The ProStar lid also includes evaporation covers made of the same polycarbonate material to ensure optimal light...

Scientific name: Cyclops vicinus High in Protein Cyclops feed fish, invertebrates and corals simultaneously. They stimulate appetite, promote proper growth, resistance to stress, and a long healthy life. Cyclops provide essential nutrients...

Promotes Health For All Fresh & Saltwater Fish San Francisco Bay Brand Frozen Spirulina Brine Shrimp have been gut-loaded with Spirulina algae (used as an immune system booster in commercial aquaculture operations for years) in holding tanks...

5 Pack of Random Ricordea Mushroom Coral 3/4" - 1"+ in size.  Pictured Mushrooms are examples of some of the types of random Mystery Mushrooms that may be sent to you. If you are looking to start buying coral online to add to your reef...

Five Random Mystery Rock Flower Anemone Coral 3/4" - 5"+ in size.  Pictured Anemones are examples of some of the types of random Mystery Anemones that may be sent to you. If you are looking to start buying coral online to add to your reef tank,...

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,...

One Rock Flower Anemone Coral 1" to 3" 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, POLYPS,...

One Rock Flower Anemone Coral 3/4" to 1" 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,...

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,...

One Rock Flower Anemone Coral 1" to 3" 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,...