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AquaMaxx Synergy Plus 2-Part Calcium & Alkalinity Supplements - 64 oz. (32 oz. Each Bottle)

AquaMaxx Synergy Plus 2-Part Calcium & Alkalinity Supplements - 64 oz. (32 oz. Each Bottle)

AquaMaxx Synergy Plus is concentrated and ionically balanced. This calcium and alkalinity supplement work synergistically to help maintain and stabilize the Calcium, alkalinity and pH levels in your aquarium . The `Plus` being ...

$19.99
Red Sea Potassium Pro Test Kit - Reagent Refill Kit

Red Sea Potassium Pro Test Kit - Reagent Refill Kit

Red Sea’s Potassium Pro Test Kit is a unique advanced titration test, measuring the level of potassium in your reef aquarium to a high accuracy of 3 ppm. Reagent Refill Kit Only - Includes reagents only to perform 40 aquarium w...

$27.99
Korallen-Zucht Amino Acid LPS - 100ml

Korallen-Zucht Amino Acid LPS - 100ml

Amino Acid LPS 100ml High quality coral food especially for large polyp stony corals (LPS) and soft corals, e.g. Cynarina, Blastomussa, Welsophyllia, Symphyllia, Musidae, Fungia, Heliofungia, Catalaphyllia … Coral tissue expands...

$22.99
Korallen-Zucht B-Balance Tab - Automatic Delivery

Korallen-Zucht B-Balance Tab - Automatic Delivery

B-Balance Tab - Automatic Delivery / 20 Gel Tabs Automatic dosing without any technical equipment! The elements and active components are embedded in a solid carrier substance. Elements and active components are automatically dis...

From $25.99
Elos Aqua Test Kit - Ammonia/Ammonium

Elos Aqua Test Kit - Ammonia/Ammonium

ELOS AQUA TEST KIT- AMMONIA Ammonia is the most lethal form of inorganic nitrogen produced in aquarium water. The major source of ammonia in a well run aquarium is from solid waste from fish and invertebrates, uneaten food, dec...

$20.99
3/4 Inch Black Flexible Vinyl Tubing

3/4 Inch Black Flexible Vinyl Tubing

Roll of 3/4" I.D. (inside diameter) Black Flexible Vinyl Tubing. Made in the USA! The Marine Depot flexible vinyl tubing is made with FDA-approved materials. It is flexible and non-toxic so works great for aquarium plumbing a...

From $10.99
Neptune Systems New APEX PMUP Practical Multipurpose Utility Pump

Neptune Systems New APEX PMUP Practical Multipurpose Utility Pump

24V Utility pump for various applications: ATO (auto-top-off) pump Feed pump for reactors Return Pump in nano aquariums Other water movement needs 100gph 14` max. head *Connects to 24V DC outputs on the 1LINK module or ...

$39.95
Reef Brite In Line Dimmer

Reef Brite In Line Dimmer

Inexpensive, sleek, and versatile dimming control for the Lumi Lite, XHO and Tech lights. Capable of a wide variety of settings, allowing you to conveniently choose the perfect amount of light needed with the push of the center bu...

$16.99
Reef Brite TECH-LED Cable Hanging Kit

Reef Brite TECH-LED Cable Hanging Kit

An Attractive kit for displaying and securing your Reef Brite LED lighting. Includes 2 x swivel ceiling couplers 2 x 10-32 toggle bolts 2 x 1/16” stainless steel cable 2/terminal 96” 2 x gripper w/ ¼-20 x 0.394” ext thre...

$28.99
Continuum Aquatics Basis Borate Free Reef Building Buffer

Continuum Aquatics Basis Borate Free Reef Building Buffer

Basis Borate Free KH Buffer Description: Dry pH & KH control system for Marine Aquariums Features: • Professional Alkalinity Booster, with pH Control • Fast Dissolving, Raises KH in Marine & Reef Aquariums • True Mul...

From $15.99
Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement - 125 ml

Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement - 125 ml

Bio•Viv-Garlic Description: Essential Lipid Complex for all Fishes Features: • Concentrated liquid garlic attractant for all fishes • Helps finicky eaters to get an appetite Advantages: Bio•Viv Garlic is made fr...

$27.99
Korallen-Zucht Iron Concentrate Tab - Automatic Delivery

Korallen-Zucht Iron Concentrate Tab - Automatic Delivery

Iron Concentrate Tab - Automatic Delivery / 20 Gel Tabs The addition of iron affects all colors but primarily enhances the green color formation. Iron encreases coral growth and also the multiplication of zooxanthella. Well suite...

From $25.99
Seachem Reef Reactor Large

Seachem Reef Reactor Large

Seachem Reef ReactorTM supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It is intended for use in calcium reactors where it is dissolved slowly with the addition of ...

From $17.99
AquaMaxx Replacement Inlet Venturi for HOB-1 Protein Skimmer

AquaMaxx Replacement Inlet Venturi for HOB-1 Protein Skimmer

Replacement Inlet Venturi for AquaMaxx HOB-1 Protein Skimmer.

$39.99
Seachem Laboratories MultiTest: Reef Special Test Kit

Seachem Laboratories MultiTest: Reef Special Test Kit

This kit combines the Phosphate, Silicate, and Iodine/Iodide kits into one kit. (phosphate, silicate, iodide MultiTest Kit) multi-cavity plate for simultaneous testing of up to 6 tests at the same time includes referenc...

$34.99
Red Sea Iodine Pro Test Kit - Reagent Refill Kit

Red Sea Iodine Pro Test Kit - Reagent Refill Kit

Red Sea’s Iodine Pro Test Kit is a unique test, measuring the level of total iodine in your reef aquarium to a high accuracy of 0.01 ppm. Reagent Refill Kit Only - Includes reagents only to perform 50 aquarium water tests with ...

$19.99
AquaMaxx Liquid Potassium Supplement

AquaMaxx Liquid Potassium Supplement

Potassium levels of approximately 400 ppm similar to that of natural seawater is recommended for good coral health. Adding potassium helps increase blue and purple colors in some corals. Older aquariums with a large amount of cora...

From $9.99
PocketExpert Guide: Marine Invertebrates by Ronald L. Shimek, Ph.D

PocketExpert Guide: Marine Invertebrates by Ronald L. Shimek, Ph.D

500+ Essential-To-Know Aquarium Species PROFILING SOME OF THE MOST BEAUTIFUL and bizarre animals that make their way into marine aquariums, this second entry into the bestselling PocketExpert Series covers more than 500 species a...

$30.99
Salifert Strontium 1000 mL

Salifert Strontium 1000 mL

Why is strontium required? Strontium is probably important for accelerating coral and calcareous algae growth. NSW (Natural Sea Water) contains approx. 7 - 9 mg/L strontium. This strontium is associated (”chelated”) with sulfate...

$38.49
Prodibio CalciReef+ 10 vials

Prodibio CalciReef+ 10 vials

Calci_Reef + is a hydrogel that maintains optimum levels of calcium, magnesium and part of the alkalinity in reef aquariums. Calci_Reef +: A large number of marine organisms, such as corals and coralline calcifying algae, us...

$25.49
Korallen-Zucht Potassium Iodide Tab

Korallen-Zucht Potassium Iodide Tab

Potassium Iodide Tab - Automatic Delivery / 20 Gel Tabs Well suited for all kind of corals.Addition leads to improved blue colors in SPS, especially for blue color of Acropora and Montipora. Contains inorganic iodide as well as b...

From $25.99
Continuum Aquatics Reef-Basis Liquid Iodide Complex

Continuum Aquatics Reef-Basis Liquid Iodide Complex

Reef•Basis Iodide Description: Iodine Supplement for Marine Aquariums Features: • Safe form of Stabilized Iodine for Reef & Fish Only Aquariums • Phosphate, Nitrate & Silicate Free • Allows corals to shield thems...

From $8.49
Ecosystem Aquarium (Balling Method) Calcium Refill Pack (A, B, C)

Ecosystem Aquarium (Balling Method) Calcium Refill Pack (A, B, C)

The Balling Method - calcium powder mixtures for 1 gallon each of 3-part calcium supplement (A: carbonate alkalinity B: minerals and calcium C: calcium & magnesium) Description: Adds essential calcium, alkalinity and magnesium...

$24.99
1 Inch Black Flexible Vinyl Tubing

1 Inch Black Flexible Vinyl Tubing

Roll of 1" I.D. (inside diameter) Black Flexible Vinyl Tubing. Made in the USA! The Marine Depot flexible vinyl tubing is made with FDA-approved materials. It is flexible and non-toxic so works great for aquarium plumbing and...

From $12.99
Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement

Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement

Bio•Viv-Garlic Description: Essential Lipid Complex for all Fishes Features: • Concentrated liquid garlic attractant for all fishes • Helps finicky eaters to get an appetite Advantages: Bio•Viv Garlic is made fr...

From $18.99
826 - 850 of 927
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