Reefstock 2024

"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...

"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...

We start with our ReefSaver rock with result looking something straight from the ocean.  This is not a wet or "live" product.   Our Coralline rock features no paint and no concrete.  We use an organic colorant that preserves all of...

High-tech, for a reliable water level in the aquarium.  Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the edge of the aquarium.  Scope of delivery: Ready for mounting with...

For small aquariums, a stable osmotic balance is important, because they are particularly sensitive to constantly changing salt concentrations. The Osmolator nano which was specifically designed for this, is a water level controller with only a...

Reborn is back to it's original size & formulation.  Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western...

Reborn is back to it's original size & formulation.  Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western...

Not quite Reef Saver, not quite Shelf.  Quite Unique. This Hybrid MarcoRock seems to do it all.  It lends itself to be quite easy and forgiving to work with.  The shelving aspect allows for ample ridges and overhangs, which truly is the...

The ReefATO+ sensor requires the electrical conductivity levels that are typical for seawater to work properly and therefore this system will not work for freshwater systems. The ReefATO+ is an exceptionally reliable auto top-off system that includes a...

The Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two sizes, a 40 liter/10.6-gallon volume, and an 18 liter/4.8 gallon,...

Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed.  Whether you are building a Saltwater fish only, a Reef tank or a Fresh water tank, and even reptile environments,...

The Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two sizes, a 40 liter/10.6-gallon volume, and an 18 liter/4.8 gallon,...

Straightforward and safe water level controller for fresh and sea water with optical control sensor and independent thermal safety sensor. A constant water level keeps the salt concentration constant in seawater aquariums. Incl. Turbelle® High...

ReMag is a magnesium-rich natural stone sized to blend well with ReBorn and other calcium carbonate media for use in calcium reactors. ReMag makes maintaining the magnesium level in your reef a no-brainer. Simply use ReMag in a calcium reactor according...

The Turbelle® High Jet is a replacement dosing pump with safety extra low voltage 12 V DC for Osmolator® nano 3152 and Osmolator® 3155 and belongs to a new generation of centrifugal pumps with a high delivery height and small...

This Kit was designed for current Reefer Owners.  It does not include the Magnetic ATO Sensor Mounting Bracket. The ReefATO+ is an exceptionally reliable auto top-off system that includes a highly accurate temperature monitor plus an...

Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western Pacific. When dissolved, ReBorn replenishes calcium and carbonate alkalinity,...

In 2006, TUNZE® developed the “nanostream®” concept. The Turbelle® nanostream® is a compact propeller pump for nano and medium-sized aquariums, and able to convince through its organic ball-shaped design, as well as a 3D...

ReMag is a magnesium-rich natural stone sized to blend well with ReBorn and other calcium carbonate media for use in calcium reactors. ReMag makes maintaining the magnesium level in your reef a no-brainer. Simply use ReMag in a calcium reactor according...

With the EHEIM autofeeder+ we offer you the smart version of our (basic version) autofeeder with additional functions and advantages.The EHEIM autofeeder+ is our intelligent automatic feeder with digital control via WLAN. All functions can be programmed...

Perfect for starting a new system Includes 4 Essential Test Kits Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Master Test Kit Fritz Aquatics Master Test Kit contains four essential test kit formulas in...

World novelty | The first magnetic-bearing Turbelle® The new Turbelle® stream 3 precisely addresses the wishes of today's aquaristics industry. It is also compact, powerful, versatile, and moreover absolutely quiet thanks to its special...

The Turbelle® nanostream® electronic WIDE FLOW pumps are a new breed of highly compact circulation pumps for aquariums from 20 to 500 liters (5 to 132 US gal.). They can be easily concealed behind decoration, and thus ensure the harmonious...

New From MarcoRocksOur Coralline Colorant SprayA formula we spent almost a year perfecting, All organic, 100% reef safe, 100% fish safe.The perfect color to touch up any breakage the occurs in shipping our Coralline rock or that occurs during aquascaping...

At only 8 inches by 6 inches, this aquarium has the ideal footprint for any small space without compromising on room for corals and inverts. The cube shape is perfect for a wide variety of creative microscapes, and the all-in-one style filtration has a...

EHEIM reeflexUV reduces microorganisms in the water and eliminates torbidity more efficiently than ever before.  EHEIM reeflexUV is yet another typical innovation from EHEIM: due to a built-in reflector the microorganism killing UV-C radiation is...

Turbelle® nanostream® electronic 6055 and 6095 are speed-controlled pumps with a Turbelle® controller operating on safety extra-low voltage, to be employed ideally in every aquarium from 40 to >1,000 liters (10 to >265 US gal.) for...

We start with our ReefSaver rock with result looking something straight from the ocean.  This is not a wet or "live" product.   Our Coralline rock features no paint and no concrete.  We use an organic colorant that preserves all of...

East to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Phosphate Excess nutrients can lead to poor water quality very quickly. If not controlled, phosphate (PO4) can...

East to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Alkalinity Carbonate hardness, or alkalinity (KH), is the measure of both carbonates and bicarbonates present in the...

The deepest & widest Plug & Play NANO system The MAX NANO G2 XL comes fully equipped with everything needed to sustain a reef aquarium, sparing you from dealing with component selection or compatibility. MAX NANO G2 XL 33 gal Total system...

Easy to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrate Nitrate is considered the non-toxic end product of the ammonia cycle. While not directly a problem for fish...

EHEIM reeflexUV reduces microorganisms in the water and eliminates torbidity more efficiently than ever before.  EHEIM reeflexUV is yet another typical innovation from EHEIM: due to a built-in reflector the microorganism killing UV-C radiation is...

EHEIM reeflexUV reduces microorganisms in the water and eliminates torbidity more efficiently than ever before.  EHEIM reeflexUV is yet another typical innovation from EHEIM: due to a built-in reflector the microorganism killing UV-C radiation is...

With EHEIM thermocontrol+ e, we offer you the aquarium heater of the future. Intelligent and ingeniously designed.EHEIM thermocontrol+ e is our first adjustable heater with digital control via WLAN. You can set the precise temperature from 18 to 32...

Accurate in both Fresh and Saltwater Easy to Read Instructions Essential to Monitoring Proper Ionic Balance About Fritz Liquid Test Kits - Calcium Calcium (Ca2+) is vital to many biological functions. In saltwater aquariums, calcium should...

EHEIM reeflexUV reduces microorganisms in the water and eliminates torbidity more efficiently than ever before.  EHEIM reeflexUV is yet another typical innovation from EHEIM: due to a built-in reflector the microorganism killing UV-C radiation is...

Accurate in both Fresh and Saltwater Must-Have for Every Aquarist Essential During New Tank Setup About Fritz Liquid Test Kits - Ammonia Ammonia is one of the most important parameters to monitor in aquariums because any amount can be...

Introducing the NEW GLASS Small-In-One! This 1 Gallon Desktop Aquarium is the perfect companion for your home or office - available for Saltwater or Freshwater! Tailored towards beginners and experts alike, the PNW Custom Glass Small-In-One does not...

With EHEIM thermocontrol+ e, we offer you the aquarium heater of the future. Intelligent and ingeniously designed.EHEIM thermocontrol+ e is our first adjustable heater with digital control via WLAN. You can set the precise temperature from 18 to 32...