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51 - 75 of 93
Replacement Korallin C-1502/3002 Outlet Assembly (Auslauf)

Replacement Korallin C-1502/3002 Outlet Assembly (Auslauf)

Korallin Calcium Reactor Outlet Assembly (Auslauf) for models C-1502 and C-3002 Replacement Part for Korallin Calcium Reactor

$42.99
AquaMaxx Star Calcium Reactor

AquaMaxx Star Calcium Reactor

The all-new AquaMaxx Star S-1 combines top-quality materials, a high-efficiency pump and innovative design to deliver a superb calcium reactor. Special injection design reduces wear-and-tear and extends the life of the Italian-Mad...

From $314.99
CaribSea Coralite Bermuda Pink Sand 15 lb

CaribSea Coralite Bermuda Pink Sand 15 lb

Coralite Bermuda Pink Reef Sand: 2-4 mm diameter grain size. A more colourful aragonite substrate. This product is highlighted with coralline pink grains to enhance its natural beauty. This grade of aragonite is suitable for plenu...

$27.49
Replacement Korallin C-1502/3002 Inlet Assembly with Bubble Counter (Einlauf)

Replacement Korallin C-1502/3002 Inlet Assembly with Bubble Counter (Einlauf)

Korallin Inlet Assembly with Bubble Counter (Einlauf) for models C-1502 and C-3002 Replacement Part for Korallin Calcium Reactor

$80.49
Tropic Marin Bio Actif Sea Salt - 32 Gallon Mix

Tropic Marin Bio Actif Sea Salt - 32 Gallon Mix

Makes 32 Gallons of Saltwater The revolutionary new synthetic sea salt which combines maximum purity in terms of its components with the protective and growth-promoting action of bioactive substances naturally found in the se...

$23.99
Caribsea Arag-Alive Bimini Pink 10 lb

Caribsea Arag-Alive Bimini Pink 10 lb

CaribSea’s Arag-Alive!™ Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ comp...

$21.99
Real Reef Live Rock

Real Reef Live Rock

* Please note: Real Reef Live Rock is shipped once per week on Tuesdays (for delivery on Thursdays). Orders must be received by Friday at 3pm PST prior to ship date or they will be shipped the following week Why Real Reef? ...

From $69.99
Korallin C3002 Calcium Reactor with Eheim Pump

Korallin C3002 Calcium Reactor with Eheim Pump

The already best-selling Kalkreaktor (Calcium Reactor) in Germany has become even better. It completely replaces Kalkwasser, 1 or 2-part Calcium/Buffer powder & liquid dosing. The new and improved Korallin kalkreaktor allows a...

From $502.49
Ultralife Ultrazone Ozonizer

Ultralife Ultrazone Ozonizer

Ozone is by far the best way to boost your water quality. The Ultrazone Series Ozone Generators clean up aquarium water by removing unwanted organic decay, proteins and pollutants. By eliminating harmful organics, ozone increases ...

From $220.99
CaribSea Dry Aragonite Super Reef Sand 40 lb

CaribSea Dry Aragonite Super Reef Sand 40 lb

Seaflor Super Reef Sand 1.2-4.0mm diameter grain. This mixed grade (of Seaflor Special Grade and small shells) is also ideal for nitrate reducing systems or simply as reef tank bottom cover. The addition of small shells ...

$73.49
O-Ring for Korallin Reactors

O-Ring for Korallin Reactors

Replacement O-Ring for Korallin Reactors for models C-1502 and C-3002.

$7.49
Korallin Replacement Screw Set for Reactor Lid

Korallin Replacement Screw Set for Reactor Lid

Replacement set of Screws, washers and nuts for Korallin reactor lids.

$10.49
Brightwell Aquatics KoraLagoon Substrat Aragonite Refugium Substrate 1.4kg / 3.1 lbs.

Brightwell Aquatics KoraLagoon Substrat Aragonite Refugium Substrate 1.4kg / 3.1 lbs.

Overview: A blend of high-purity aragonite particulate grades to simulate the natural substrate particle profile of tropical reef lagoons. Multiple particulate grades encourage biochemical reactions (e.g. nitrification and d...

$15.99
CaribSea Life Rock

CaribSea Life Rock

So real, so ready. Are you? It is safe for all fish and inverts, and is an aragonitic base material (does not contain cement), requires no curing, and is infused with spored, live bacteria. Once placed in water, the dormant b...

From $79.49
Precision Marine Kalkreactor KR620

Precision Marine Kalkreactor KR620

At Precision Marine there are two ways Calcium can be added to your reef tank, the Calcium Reactor or the Kalkreactor pictured here. You can either gravity feed through the Kalkreactor from a freshwater top-off system to your rese...

$269.99
Buy CaribSea Dry Aragonite Special Grade Reef Sand 40 lb and Get API Quick Start 8 oz FREE

Buy CaribSea Dry Aragonite Special Grade Reef Sand 40 lb and Get API Quick Start 8 oz FREE

CaribSea Dry Aragonite Special Grade Reef Sand 40 lb 1.25–1.95 mm diameter grain size. A revolution in reef-keeping! This is the one you’ve been reading about in all the hobbyist publications. This grade of aragonite is specifi...

$71.99
Caribsea Arag-Alive West Caribbean Reef 10 lb

Caribsea Arag-Alive West Caribbean Reef 10 lb

CaribSea’s Arag-Alive!™ Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ comp...

$21.99
CaribSea Aragamax Grand Bahama Biome Sand - 30 lbs

CaribSea Aragamax Grand Bahama Biome Sand - 30 lbs

Aragamax Grand Bahama Biome Sand:0.25 - 7mm majority grain size, but with additional bits of reef sand and small shells to recreate the Carribean reef "Rubble Zone". The larger bits of aragonite not only add color and texture, but...

$51.99
D-D H2Ocean Magnesium Pro PLUS Saltwater Mixing Kit

D-D H2Ocean Magnesium Pro PLUS Saltwater Mixing Kit

Mix perfect, consistent saltwater in less time. These products will help you create the perfect saltwater mixing system. All you need is water and a mixing container. Fill container with RO water and add D-D H2Ocean Magnesium Pro...

$154.35
Real Reef Live Shelf Rock

Real Reef Live Shelf Rock

* Please note: Real Reef Live Rock is shipped once per week on Tuesdays (for delivery on Thursdays). Orders must be received by Friday at 3pm PST prior to ship date or they will be shipped the following week Why Real Reef? ...

From $93.49
AquaMaxx Replacement Lid and Pump for Nano Star Calcium Reactor

AquaMaxx Replacement Lid and Pump for Nano Star Calcium Reactor

Replacement Lid and Pump for AquaMaxx Nano Star Calcium Reactor

$69.99
Precision Marine Calcium Reactor Effluent Chamber

Precision Marine Calcium Reactor Effluent Chamber

Add a effluent chamber to any calcium reactor to make your calcium reactor a more efficient dual-stage calcium reactor. By adding a second chamber, you will: Utilize the CO2 more efficiently Raise the pH of the effluent ...

$183.99
Korallin C4002 Calcium Reactor with Eheim Pump

Korallin C4002 Calcium Reactor with Eheim Pump

Korallin C-4002—Rated for up to 1600gal. Reactor height: approx. 24.00"; Diameter: 6.30"; Ground: 7.50"; Filling amount: 10 kgs (22lbs); Eheim 1250 Pump.

$627.99
Reef Octopus SRO Calcium Reactor

Reef Octopus SRO Calcium Reactor

High performance reverse flow design, superior craftsmanship and a 3 year pump warranty are just a few of the features on the Super Reef Octopus calcium reactors. If you are concerned about calcium levels due to your calcium lovin...

From $349.99
ViaAqua Acro-Cal Calcium Reactor

ViaAqua Acro-Cal Calcium Reactor

Acro-cal calcium reactor offers a simple and convenient solution for maintaining calcium and alkalinity in your reef tank. After the initial setup, the calcium reactor requires minimal maintenance. A calcium reactor is almost a ne...

$61.49
51 - 75 of 93
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