Products (1375)
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Reef Code B Balanced Calcium & Alkalinity System Part B (500mL) - Brightwell Aquatics
Brightwell Aquatics$12.86Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The carbonate-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
Reef Code B Balanced Calcium & Alkalinity System Part B (2 L) - Brightwell Aquatics
Brightwell Aquatics$23.76Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The carbonate-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
KH Carbonate Hardness Test Kit - API
API$8.98KH Carbonate Hardness Test Kit The API® KH Carbonate Hardness Test Kit tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent invisible water... -
REEF ICP Water Analysis Test Kit (37 Water Parameters) - Fauna Marin
Fauna Marin$27.71Overview Achieve total clarity over your aquarium's water chemistry with lab-grade precision. Maintaining a thriving reef aquarium demands absolute control over trace elements, macroelements, and... -
NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin
Tropic Marin$36.00Nitrate ions (NO3–) are formed from ammonium (NH4+) as the end product of the nitrification process. Nitrite (NO2–), which is highly toxic to freshwater species in particular, is produced in the... -
K+ Elements Pro Coral Trace 1 (1000 ml) - Tropic Marin
Tropic Marin$35.99Tropic Marin® K+ Elements contains a selection of essential cationic trace elements for the promotion of growth and the natural coloring of the corals. Trace elements are natural minerals which are... -
Red Cyano Rx (Treats 400 Gallons) Removes Cyanobacteria - Blue Life USA
Blue Life USA$23.85Red Cyano Rx will quickly and effectively treat disease causing Cyano bacteria from live rock, live coral and live sand in your saltwater aquarium without harming any of its inhabitants including... -
Mastertronic Automatic Water Tester - Focustronic
Focustronic$1,299.00Mastertronic (MT) is the latest addition to our product range for automated water testing equipment. MT will be able to communicate with our other products such as Alkatronic, Dosetronic, Solartronic... -
ION-B Ca/Mg+ Powder (1,122g - Makes 3,000 mL) - NYOS
NYOS$24.99The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium. With just two... -
Start Up Nano (2 Vials) Live Bacteria & Ammonia Protection - Prodibio
Prodibio$7.99Combines live bacteria & ammonia protection for faster, safer startups. For saltwater and freshwater systems. This live bacteria seeding kit allows faster biological filtration establishment. The... -
Start Up Nano (4 Vials) Live Bacteria & Ammonia Protection - Prodibio
Prodibio$11.99Combines live bacteria & ammonia protection for faster, safer startups. For saltwater and freshwater systems. This live bacteria seeding kit allows faster biological filtration establishment. The... -
A- Elements Pro Coral Trace 2 (1000 ml) - Tropic Marin
Tropic Marin$35.99Tropic Marin® A- Elements contains a selection of essential anionic trace elements for the promotion of growth and the natural coloring of the corals. Trace elements are natural minerals which are... -
Start Up Kit (12 Vials) Live Bacteria & Ammonia Protection - Prodibio
Prodibio$29.99Combines live bacteria & ammonia protection for faster, safer startups. For saltwater and freshwater systems. This live bacteria seeding kit allows faster biological filtration establishment. The... -
Start Up Kit (6 Vials) Live Bacteria & Ammonia Protection - Prodibio
Prodibio$19.99Combines live bacteria & ammonia protection for faster, safer startups. For saltwater and freshwater systems. This live bacteria seeding kit allows faster biological filtration establishment. The... -
On Sale 50%
On Sale 50%(EXPIRED 6/26) NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin
Tropic Marin$36.00$17.99EXPIRED 6/26 Nitrate ions (NO3–) are formed from ammonium (NH4+) as the end product of the nitrification process. Nitrite (NO2–), which is highly toxic to freshwater species in particular, is... -
Supply Line Filter Screen VCA BonBon Mini (Mixed Colors) - Vivid Creative
VCA Vivid Creative Aquatics$8.99Supply Line Filter Screens Universal Fit - Compatible with 4mm to 6mm O.D. hose including typical RO-DI lines, dosing lines and air line tubing. Prevents Clogs on your Small ID Hose - Can strain... -
Pro Reef Salt 2 kg (16 Gallon) - Tropic Marin
Tropic Marin$28.99Tropic Marin Pro-Reef Sea Salt At a Glance The Gold Standard for Modern Reef Keeping. Tropic Marin Pro-Reef is the premium, pharmaceutical-grade salt mix engineered specifically for reef aquariums... -
(Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin
Tropic Marin$132.99Tropic Marin Pro-Reef Sea Salt – 200 Gallon Bucket (Germany) At a Glance The Gold Standard for Modern Reef Keeping. Tropic Marin Pro-Reef is the premium, pharmaceutical-grade salt mix engineered... -
KZ Flatworm Stop (250 ml) - Korallen-zucht
Korallen-Zucht$50.09Flatworm Stop strengthens all kind of corals and reduces parasitical flatworms on Acropora corals at the same time. Very valuable ingredients are assimilated directly after dosage. In our tests also... -
Magnetic Floating Feeding Ring (MagFeeder) - Two Little Fishies
Two Little Fishies$24.94Our NEW feeding device, MagFeeder and its accessories make feeding your fishes more effective and enjoyable. MagFeeder comes with a floating feed ring that retains flakefoods, pellets, powdered... -
On Sale 20%
On Sale 20%CustomCradle Pro Magnetic Tube Holder - Innovative Marine
Innovative Marine$36.00$28.80Holds up to 4 Tubes A magnetically mounted probe holder that organizes your dosing tube lines in the most simple and efficient way possible. Other tube holders can lead to an unorganized disaster... -
Carbo-Calcium Powder Calcium & Alkalinity Additive (1400g, 3 lbs) - Tropic Marin
Tropic Marin$40.00Concentrated Calcium & Alkalinity for Advanced Reefers! Tropic Marin Carbo-Calcium contains a balanced ratio of calcium and carbonate (alkalinity) in a single solution. Traditionally two or more... -
Iodine Pro (I2) Reef Test Kit - Red Sea
Red Sea$59.99Unique test, measuring the level of total iodine in your UNLS aquarium, with high accuracy of 0.01 ppm. Red Sea’s Iodine Pro Reef Test Kit is a unique test, measuring the level of total iodine in... -
KZ Flatworm Stop (500 ml) - Korallen-zucht
Korallen-Zucht$80.09Flatworm Stop strengthens all kind of corals and reduces parasitical flatworms on Acropora corals at the same time. Very valuable ingredients are assimilated directly after dosage. In our tests also... -
AF LPS Coral Food (30 g) - Aquaforest
Aquaforest$21.99Granular food dedicated especially for LPS corals. AF LPS Food is rich in protein and highly nutritious fatty acids that are essential to the health of marine animals. We recommend to feed your... -
On Sale 15%
On Sale 15%Large Pincushion Sea Urchin (Lytechinus sp.) - Cleanup Crew
Clean Up Crews$24.99$21.24The Ultimate Hair Algae Destroyer When it comes to eradicating stubborn nuisance algae, few members of the cleanup crew can compete with the raw power and efficiency of the Pincushion Sea Urchin... -
Red Cyano (2 g) & Phosphate Rx (1 oz) Combo Pack - Blue Life USA
Blue Life USA$62.28Red Cyano Rx will quickly and effectively treat disease causing Cyano bacteria from live rock, live coral and live sand in your saltwater aquarium without harming any of its inhabitants including... -
Aquacultured Mind Trick Montipora Coral (Montipora sp.) - ORA
ORA$44.99Mind Trick Montipora is considered one of the most spectacular Montipora varieties in the hobby. Its sea green body color is accentuated by an intense violet growth edge and hot red polyps. The Mind... -
Phos-Feed (300g) - Tropic Marin
Tropic Marin$36.99Phosphate is one of the nutrients with high consumption and often low availability in the reef aquarium as well as in the unpolluted natural coral reef. Phosphate is essential in numerous growth... -
ION-B ALK/pH+ Powder (671g - Makes 3,000 mL) - NYOS
NYOS$24.99The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium. With just two... -
ION-B ALK/pH+ Powder (1,342g - Makes 6,000 mL) - NYOS
NYOS$44.99The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium. With just two... -
HYDROS Control XD Controller by Coralvue
Hydros$248.31A HYDROS controller with 3 Universal Drive Ports dedicated to powering small 12V devices. Capable of driving cabinet LEDs, solenoids, ATO pumps, dosing pumps, and much more. -
Bio-Magnesium Supplement Powder (1500g, 3.3 lbs) - Tropic Marin
Tropic Marin$43.99Besides calcium and strontium, some coral and coralline red algae also store magnesium in their skeleton. It is biochemically directly involved in the photosynthesis of algae, i.e. the conversion of... -
Bio-Magnesium Supplement Powder (16 oz) - Tropic Marin
Tropic Marin$18.99Besides calcium and strontium, some coral and coralline red algae also store magnesium in their skeleton. It is biochemically directly involved in the photosynthesis of algae, i.e. the conversion of... -
Magnesium Pro - High Accuracy Titration Test Kit (100 tests) - Red Sea
Red Sea$44.99Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm.The Magnesium Pro Test test kit... -
RedFlex Reef Sump 200 (32" x 12" x 16") - Pro Clear Aquatic Systems
Pro Clear Aquatic Systems$460.99The Red Flex Reef Sump is designed specifically for saltwater systems. This sumps features a modern red and white acrylic design. Water flows through the two overflow ports, into... -
Carbo-Calcium (1000 ml) - Tropic Marin
Tropic Marin$34.99Tropic Marin® Carbo-Calcium is highly concentrated calcium and alkalinity for dissolving in reverse osmosis water to get the proven Carbocalcium solution. After dissolving, one single solution can... -
RedFlex Reef Sump 100 (23.5" x 10" x 16") - Pro Clear Aquatic Systems
Pro Clear Aquatic Systems$410.99The Red Flex Reef Sump is designed specifically for saltwater systems. This sumps features a modern red and white acrylic design. Water flows through the two overflow ports, into... -
RedFlex Reef Sump 400 (45" x 14.5" x 16") - Pro Clear Aquatic Systems
Pro Clear Aquatic Systems$619.99The Red Flex Reef Sump is designed specifically for saltwater systems. This sumps features a modern red and white acrylic design. Water flows through the two overflow ports, into... -
Sapphire Sump 20C (20" x 20") - Trigger Systems
Trigger Systems$499.99The Sapphire series is identical to the Emerald series except that it comes in a limited edition Sapphire blue color. Several features of this series are not found anywhere else. Some of the...