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Graduated Pipette - 100 µL (HI731339P) - Hanna Instruments
Hanna Instruments$22.00The HI731339P is a volumetric pipette designed to measure and transfer exactly 100 µL of solution to a cuvette. To obtain the highest accuracy and precision from the HI758 marine calcium Checker it is necessary to add exactly 100 µL of... -
HI721 Iron Checker - Hanna Instruments
Hanna Instruments$63.95The Hanna Iron Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional... -
On Sale 15%
ATC Seawater Refractometer - DD Aquarium Solutions
All Misc Brands$54.99$46.74Almost all, if not all, of the refractometers currently available to the aquarium hobby are designed for measuring saltwater (sodium chloride or brine solution) and not true ‘seawater’. Although seawater is mostly sodium chloride it also... -
High Range pH Test Kit (160 Tests) - API
API$9.48High Range pH Test Kit The API® High Range pH Test Kit measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API® High Range pH Test Kit reads the pH of water within the high range of 7.4... -
On Sale 15%
Reef Complete (500 mL) - Seachem
Seachem$11.33$9.63Reef Complete® is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Calcium and carbonates are essential to all coral growth. If either... -
Freshwater Master Test Kit (pH, High Range pH, Ammonia, Nitrite, Nitrate) - API
API$35.98Liquid Test Kits - This kit tests tap water and aquarium water for five different parameters that affect the health of freshwater fish: pH, High Range pH, Ammonia, Nitrite and Nitrate. Highly accuate and economical. Unique, transparent dome... -
HI70031P 1413 20 ml (Single Pack) - Hanna Instruments
Hanna Instruments$1.49Technical SpecificationsMfr #: HI70031PItem: Calibration Solution Container: 20mLType: Electric ConductivityRange: 1413 uS/cm Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per... -
On Sale 15%
Marine (pH) Test Kit - Elos
ELOS$16.50$14.03The pH-value or acid value indicates how acidic or alkaline water is. It is a measure of the concentration of the acidic or alkaline components in a hydrous solution. Pure water will react neutral and has a pH-value of 7. If the acidic components are... -
On Sale 15%
PINPOINT pH Monitor - American Marine
American Marine$89.99$76.49The PINPOINT® pH Monitoris in use by thousands of customers worldwide. This affordable unit remains the only full-time pH monitor with .01 resolution. The PINPOINT® pH Monitor is sold complete with probe and calibration fluids (9 volt battery not... -
On Sale 15%
Stability (100 ML) - Seachem
Seachem$4.35$3.70Stability® 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... -
Zeo (1000 ml) - NYOS Aquatics
NYOS$14.99ZEO NYOS® ZEO is a high-quality, specially adapted zeolite mixture for seawater aquariums. Regular use reduces nitrate values permanently, simply and safely to the detection limit. Naturally pure, high-quality, free of additives, carrier... -
HI736-11 Phosphorus Ultra Low Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$13.00The Phosphorus Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker® HC - HI736 that has a range of 0 to 200 ppb as phosphorus. This high-quality set of standards is... -
HI70031P 1413 20 ml (25 Pack) - Hanna Instruments
Hanna Instruments$29.00Technical SpecificationsMfr #: HI70031PItem: Calibration Solution Container: 20mLType: Electric ConductivityRange: 1413 uS/cm Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per... -
On Sale 15%
Reef Code B Balanced Calcium & Alkalinity System Part B 2 L - Brightwell Aquatics
Brightwell Aquatics$28.45$24.18Overview The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural seawater... -
Foundation Skeletal Elements ABC+ (1 KG) - Red Sea
Red Sea$31.99Red Sea’s Reef Foundation ABC+ is a uniquely formulated powder supplement containing all of the elements of Foundation A, B & C, plus Red Sea’s Coral Colors A & B (potassium, boron, iodine & bromine) formulated in the exact ratio... -
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Reef Fusion "2" Two Part Calcium/Buffer System (4 L) - Seachem
Seachem$32.33$27.48Reef 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... -
Reef BluePrint Isol8:Ca(OH)2 - Kalkwasser (1.0 kg) - Captiv8 Aquaculture
Captiv8 Aquaculture$18.99Calcium Hydroxide | "Kalkwasser" Characteristics Provides calcium. Increases pH. Kalkwasser application is an integral part of an effective pH-management and coral growth regimen in dedicated coral culture systems... -
On Sale 15%
Magnesion - Liquid Magnesium Supplement 2L - Brightwell
Brightwell Aquatics$29.99$25.49Concentrated Magnesium Supplement for All Marine Fish & Reef Aquaria Overview Highly-concentrated ionic magnesium solution. Provides magnesium, which helps regulate the balance between calcium andcarbonates in aquarium water, and is a... -
K+ Elements Pro Coral Trace 1 (200 ml) - Tropic Marin
Tropic Marin$13.32Tropic 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 needed by all aquarium inhabitants to... -
Copper Test Kit (90 Tests) - API
API$12.48Copper Test Kit Copper – a treatment for many parasitic infections – must be monitored in an aquarium or a pond. The copper level can drop too low for the treatment to be effective, or can increase to a point that is detrimental to fish... -
HI717-25 Phosphate High Range Checker Reagents (40 Tests) - Hanna Instruments
Hanna Instruments$10.00The HI717-25 are the replacement reagents for the HI717 Phosphate High Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet... -
On Sale 15%
TURBOSTART 700 Freshwater (4 oz) Live Nitrifying Bacteria - Fritz
Fritz Aquatics$25.49$21.67Live 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... -
On Sale 15%
Clarity (500 ML) - Seachem
Seachem$16.71$14.20Clarity™ is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant safe. Clarity™ is the only clarifier on the market that does it all! Clarity™ will clear... -
Reef BluePrint Isol8 Minor and Trace Element Pack (100g) - Captiv8 Aquaculture
Captiv8 Aquaculture$19.99Contains one 10 mL dropper bottle of the following solutions: Isol8 Co Isol8 F Isol8 Fe Isol8 I Isol8 Mn Isol8 Mo Isol8 Ni Isol8 Se Isol8 V Isol8 Zn Application - each individual bottle is marked with instructions and a QR code linked to the... -
On Sale 15%
COLORS 200% Coral Amino Acids (50 ml) - Polyplab
PolypLab$49.99$42.49Polyplab 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 15%
Denitrate (2 Liter) - Seachem
Seachem$22.42$19.06denitrate™ 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... -
pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$29.00HI70004P is a premium quality pH 4.01 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... -
On Sale 15%
Reef Code A Balanced Calcium & Alkalinity System Part A 2 L - Brightwell Aquatics
Brightwell Aquatics$28.45$24.18Reef Cõde A Sizes 250 ml, 500 ml, 2 L, 20 L Overview • The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in... -
On Sale 15%
Magnesium (Mg) Test Kit - Elos
ELOS$25.99$22.09Mg Magnesium Water Analysis for AquariumMagnesium is a major salt in natural seawater. Contrary to its significance this element was ignored for a long time. We know today that Magnesium creates a remarkable improvement in the growth of calcareous algae... -
A- Elements Pro Coral Trace 2 (200 ml) - Tropic Marin
Tropic Marin$13.32Tropic 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 needed by all aquarium inhabitants to maintain... -
On Sale 15%
Ammonium Chloride for Fishless Cycling - Dr Tim's (8 oz)
Dr Tim's Aquatics$11.99$10.19This bottle of reagent grade ammonium chloride is for use when fishless cycling. Concentration is 50 mg/L of total ammonia-nitrogen (TAN). Dose 4 drops per gallon of aquarium water. Use with One and Only Nitrifying Bacteria. Simple, easy to... -
HI713-11 Phosphate Low Range Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$14.00The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L). This high-quality set of standards is... -
On Sale 15%
Clear FX REEF (225 ml) - Blue Life USA
Blue Life USA$31.04$26.38Clear Fx Reef is an advanced comprehensive filter media for Reef Aquariums which can be used to ensure the health, clarity, and stability of your reef aquarium. This specialized reef filtration media uses cutting edge technology that specifically targets... -
On Sale 15%
Reef Phytoplankton (250mL) - Seachem
Seachem$8.82$7.50Reef Phytoplankton™ is a concentrated blend of green and brown marine phytoplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, with biological carotenoids for invertebrate diet. Size ranges from 1-20 μm to... -
On Sale 15%
Reef Carbonate (500 mL) - Seachem
Seachem$7.59$6.45Reef Carbonate™ is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes... -
On Sale 15%
MultiTest Copper (75 tests) Marine & Freshwater - Seachem
Seachem$16.31$13.86This kit measures copper (all types) to less than 0.01 mg/L in marine or freshwater. Uses a highly sensitive catalysis based procedure. MultiTest® Copper performs over 75 tests and contains a reference sample for validation. -
On Sale 15%
Boost pH+ Increaser (250 ml) - Brightwell
Brightwell Aquatics$7.99$6.79Boost pH+ High Range pH Increaser, raises pH only without increasing alkalinity or calcium (in tanks already having a proper dKH) High range pH increaser for all marine aquaria, Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult... -
On Sale 15%
Calcium (Ca) Test Kit - Elos
ELOS$27.99$23.79Lab Quality Calcium (Ca) Water Analysis for the Marine Hobbyist Calcium is the primary building block for corals, calms, calcareous algae and many other marine organisms that we grow in our aquarium. Accuracy and consistency is crucial to guarantee that... -
Reef BluePrint Isol8:F - Fluoride (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Fluoride Value 10,000 ppm Characteristics Provides fluoride; application thereof in conjunction with weekly ICP analysis to guide dosing rates typically yields deep intensification of blue pigmentation in... -
HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments
Hanna Instruments$1.56ONE Single 20 mL pack HI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH/EC/TDS/Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring...