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On Sale 15%
On Sale 15%Fritz RPM Liquid Calcium Elements (1 Gallon) Part 2 - Fritz
Fritz Aquatics$23.99$20.39It is impossible to maintain a healthy, vibrant marine aquarium without also maintaining the proper levels of calcium and alkalinity. FRITZ RPM CALCIUM/BUFFER SYSTEM allows aquarists to maintain these two critical components in their proper ionic balance... -
Reef BluePrint Isol8:Fe - Iron (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Iron Value 10,000 ppm Characteristics Increases iron, arguably the most important trace element to photoautotrophs (including zooxanthellae), in recirculating seawater systems, particularly critical in those... -
Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (1 L) - SeaChem
Seachem$28.64Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef... -
On Sale 15%
On Sale 15%Fritz PRO RPM Redline HIGH ALK Salt Mix RED Bucket (48 lbs - Makes 180 Gallons) - Fritz Aquatics
Fritz Aquatics$89.99$76.49Same great benefits from RPM's original formula, PLUS Higher alkalinity for increased SPS growth in higher nutrient systems! Complete Professional Marine Salt Mix for Reef or Fish Only Systems Contains All Essential Major, Minor & Trace... -
On Sale 15%
On Sale 15%Dosing Airline Tube Holder - Generic
All Misc Brands$14.99$12.74Ideal for Dosing Holder tube 4 Way Tube Hole Max for 8 mm Size / 0.31 Inch Fit for Standard Tank or RIM Tank -
LITTLE ReBorn Calcium Reactor Media (8.8 lbs) - Two Little Fishies
Two Little Fishies$43.11Reborn® 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,... -
On Sale 15%On Sale 15%
(HI740271) Filter Holder with Luer Lock HI781 part - Hanna Instruments
Hanna Instruments$18.99$16.14The HI740271 is a replacement filter holder with Luer lock (1 pc.) for use with the HI781 Low Range Marine Nitrate Checker. -
On Sale 15%
On Sale 15%K+ Elements (500 ml) - Tropic Marin
Tropic Marin$23.99$20.39Tropic Marin® K+ Elements contains a selection of essential cationic trace elements for the promotion of growth and the natural colouring of the corals. Trace elements are natural minerals which are needed by all aquarium inhabitants to... -
On Sale 15%
On Sale 15%HI7031L/C 1413 µS/cm Conductivity Standard (500 ml) Bottle - Hanna Instruments
Hanna Instruments$18.99$16.14HI7031L/C is a premium quality 1,413 µS/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions have the lot number and expiration date... -
ICP-MS Ultimate Water Analysis Test Kit (w/ Prepaid Shipping Label) - ATI
ATI$69.95The ATI ICP-MS Ultimate Water Analysis is a laboratory water analysis of 50 parameters in a reef tank that provides a complete overview of a tank's health, which is impossible with traditional test equipment. Each test checks calcium, alkalinity,... -
On Sale 15%
On Sale 15%pH 7.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$42.99$36.54HI70007P is a premium quality pH 7.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have... -
MW600 Dissolved Oxygen Meter - Milwaukee Instruments
Milwaukee Instruments$328.90Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter with 2 Point Manual Calibration, 0.0 - 19.0 mg/L, 0.1 mg/L Resolution, +/-1.5 percent Accuracy, 100 Percent Saturation Range The Milwaukee MW600 is a portable dissolved oxygen (DO) meter for... -
On Sale 15%
On Sale 15%MicroBacter START XLM 15x (500 ML - 16 oz) - Brightwell
Brightwell Aquatics$51.52$43.79Professional 15x strength live tank starter nitrifying bioculture for rapidly cycling new marine fish and reef aquaria and brackish aquariums, and for recovering from overcrowding or disasters where the bacteria bed has been damaged or... -
On Sale 15%
On Sale 15%Reef Code B Balanced Calcium & Alkalinity System Part B (2 L) - Brightwell Aquatics
Brightwell Aquatics$23.76$20.20Balanced 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 responsible for increasing... -
Stability (250 ML) - Seachem
Seachem$8.82Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome". Stability® is formulated specifically for the aquarium and contains a... -
On Sale 12%
On Sale 12%Magnesium Marine Test Kit - Red Sea
Red Sea$30.99$27.27Red Sea's user-friendly Magnesium filtration test provides a quick and reliable measurement of Magnesium in your aquarium to an accuracy of either 50ppm or 100ppm according to your needs. -
AccuraSea Refractometer Calibration Solution (250 ml) - Two Little Fishies
Two Little Fishies$13.14Do you think it’s important to maintain salinity precisely? We’re with you. That’s why we created AccuraSea Seawater Reference Solution, the only calibration solution of its kind made from real seawater. It’s pure natural sea... -
On Sale 15%
On Sale 15%Original Balling Set Powder (3 kg) - Tropic Marin
Tropic Marin$50.99$43.34Tropic Marin® Original Balling Components are the three salts used in the Balling method to allow an independent dosage of calcium and carbonates adapted to each individual aquarium. The three part method adds calcium chloride dihydrate (part... -
On Sale 15%
On Sale 15%Copper Test Kit (50 Tests) - Salifert
Salifert$16.97$14.42This test can be used to measure any ionic copper in your source water or to monitor copper levels during parasite treatments. The test kit includes a test cylinder and reagent, plus a color chart to measure the copper, accurate to 0.05 PPM. It can be... -
On Sale 15%
On Sale 15%HI758-11 Marine Calcium Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$25.99$22.09The Marine Calcium Checker® HC Calibration Check Set - HI758-11 provides a simple solution to validating the Marine Calcium Checker® HC - HI758 that has a range of 200 to 600 ppm calcium. This high-quality set of standards is... -
Reef BluePrint Isol8:I - Iodine (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$15.29Parameter Iodide Value 100,000 ppm Characteristics Provides iodide (contains no iodine), required for development of chitin (exoskeletal material for shrimp and other crustaceans) and antioxidant activity critical... -
Reef BluePrint Isol8:Se - Selenium (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$12.23Parameter Selenium Value 250 ppm Characteristics Required by photoautotrophs (including zooxanthellae) for photosynthesis and nitrogen assimilation (nitrate reduction, nitrogen fixation) See 'Application'... -
On Sale 12%
On Sale 12%Algae Control Pro Multi Test Kit Nitrate/Phosphate - NO3/PO4 - Red Sea
Red Sea$79.99$70.39Red Sea’s Algae Control Pro Kit includes high accuracy colorimetric comparator tests for the exceptionally high accuracy measurement of nitrate and phosphate. The nitrate & phosphate tests are essential for the accurate dosing of Red... -
On Sale 15%
On Sale 15%Phos-Feed (300g) - Tropic Marin
Tropic Marin$36.99$31.44Phosphate 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 processes of the skeleton and tissue of the coral.In the... -
Reef BluePrint Isol8:Ba - Barium Solution (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$16.31Barium sol'n; 1,000 ppm. Increases barium in recirculating seawater systems. Maintenance of barium concentration within close confines of standardized seawater value (as defined by salinity) supports biogenic aragonite formation and secretion... -
On Sale 15%
On Sale 15%NeoNitro (4 L) - Brightwell
Brightwell Aquatics$61.05$51.89Balanced Nitrogen Source for Nitrogen-Limited, Low-Nutrient Reef Aquaria Overview Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enablesnatural phosphorus uptake to take place in systems with inadequate nitrogen content,lowering... -
COLORS 200% Coral Amino Acids (50 ml) - Polyplab
PolypLab$54.99Polyplab Colors is ultra pure Amino Acids designed for the most demanding coral growers. User discretion is advised, do not overdose. 1 Dropper or 5x Drops per 100 Gallons of water volume daily. Refrigerate after opening. It is... -
On Sale 20%
On Sale 20%Iodine Concentrate (250 ml) - Two Little Fishies
Two Little Fishies$7.95$6.36Two Little Fishies Iodide and iodine supplement is made from potassium iodide and seaweed extracts. Use this supplement to provide an extra boost of this important element and observe the positive effects. Great for growing Xenia, other soft corals and... -
On Sale 15%
On Sale 15%Magnetic Mini-Stirrer - 115V (HI190M-1) - Hanna Instruments
Hanna Instruments$89.99$76.49The HI190M is a compact and lightweight magnetic stirrer. With a small footprint, lack of laboratory bench space is no longer a concern. Built to last with a protective covering and a user-adjustable stirring speed, this small stirrer is great for... -
On Sale 15%
On Sale 15%Calcion - Liquid Calcium Supplement (2L) - Brightwell
Brightwell Aquatics$52.32$44.47Concentrated Calcium Supplement for All Marine Fish & Reef Aquaria Overview Highly-concentrated ionic calcium solution. Increases the concentration of calcium in marine aquarium water to provide coralsand other reef-building invertebrates with... -
On Sale 12%
On Sale 12%KH Coralline Gro - (500 ml) - Red Sea
Red Sea$22.00$19.36Marine buffer supplement with trace elements that promote the development of Coralline Algae KH Coralline algae will grow naturally, without any special supplements in all reef systems optimized for hard corals. KH Coralline Gro is a complex of... -
Pristine (100 ml) Bacterial Water Conditioner - Seachem
Seachem$5.03Pristine™ uses bio-augmentation, a non-chemical and natural method, to improve water quality. It provides bacteria that break down excess food, waste and detritus in freshwater and marine systems. It will also reduce excess nutrients (e.g. ammonia,... -
Reef BluePrint Isol8:Br - Bromide (60mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$15.29Parameter Bromide Value 100,000 ppm Characteristics Regular application intensifies pigmentation and improves robustness of cnidarians. Active Components: Potassium bromide, anhydrous, USP. Basic... -
Denitrate (2 Liter) - Seachem
Seachem$22.42denitrate™ is an economical, natural, porous material with a pore distribution and geometry that promotes both aerobic nitrification within the first few millimeters of depth and anaerobic denitrification at the core. The material has a high... -
On Sale 12%
On Sale 12%Magnesium Pro - High Accuracy Titration Test Kit (100 tests) - Red Sea
Red Sea$44.99$39.59Red 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 enables the accurate dosing of Red Sea’s Reef... -
Nitribiotic (50mL) - Tropic Marin
Tropic Marin$19.68Tropic Marin® Nitribiotic is a combination of probiotic and nitrifying bacteria in one preparation which activate the immune systems of fish and shrimp and improves the water quality. The nitrifying bacteria efficiently start the nitrification... -
Prime (4L) - Seachem
Seachem$98.08Prime® is the complete and concentrated conditioner for both fresh and saltwater. Prime® removes chlorine, chloramine and detoxifies ammonia. Prime® converts ammonia into a safe, non-toxic form that is readily removed by the tank’s... -
Reef BluePrint Isol8:Zn - Zinc (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$12.23Parameter Zinc Value 1,000 ppm Characteristics Provides zinc, required by photoautotrophs (including zooxanthellae) for critical cellular functions, including: photosynthesis; pigment production; DNA transcription;... -
On Sale 15%
On Sale 15%Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (4L) - Brightwell
Brightwell Aquatics$61.59$52.35Concentrated KH Buffer Supplement for All Marine Fish and Reef Aquaria Overview Alkalin 8.3P is a multi-component automatic buffer that regulates pH, unlike sodium carbonate its use makes for a much more stable aquarium. Eliminates pH and KH... -
On Sale 15%
On Sale 15%TURBOSTART 700 Freshwater 1 Gallon (128 Ounces) Live Nitrifying Bacteria - Fritz
Fritz Aquatics$339.99$288.99Live product. Keep refrigerated. Do not freeze. Refrigerated life is 4 months with a temperature Range of 34 - 50 degrees F. Use before expiration date on bottom of bottle. Shipping: Live Foods Ship on Select Days & Have a 100% Arrive Alive...

