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Chemistry

Water chemistry is one of the most important engines of the aquarium. Chemistry governs every factor inside the aquarium & directly effects the inhabitants. 

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  • Graduated Pipette - 100 µL (HI731339P) - Hanna Instruments

    Graduated Pipette - 100 µL (HI731339P) - Hanna Instruments

    Hanna Instruments

    $22.00
    The 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

    HI721 Iron Checker - Hanna Instruments

    Hanna Instruments

    $63.95
    The 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
    On Sale 15%

    ATC Seawater Refractometer - DD Aquarium Solutions

    All Misc Brands

    $54.99
    $46.74
    Almost 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

    High Range pH Test Kit (160 Tests) - API

    API

    $9.48
    High 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
    On Sale 15%

    Reef Complete (500 mL) - Seachem

    Seachem

    $11.33
    $9.63
    Reef 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...
  • HI70031P 1413 20 ml (Single Pack) - Hanna Instruments

    HI70031P 1413 20 ml (Single Pack) - Hanna Instruments

    Hanna Instruments

    $1.49
    Technical 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
    On Sale 15%

    Marine (pH) Test Kit - Elos

    ELOS

    $16.50
    $14.03
    The 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
    On Sale 15%

    PINPOINT pH Monitor - American Marine

    American Marine

    $89.99
    $76.49
    The 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
    On Sale 15%

    Stability (100 ML) - Seachem

    Seachem

    $4.35
    $3.70
    Stability® 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

    Zeo (1000 ml) - NYOS Aquatics

    NYOS

    $14.99
    ZEO 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...
  • HI70031P 1413 20 ml (25 Pack) - Hanna Instruments

    HI70031P 1413 20 ml (25 Pack) - Hanna Instruments

    Hanna Instruments

    $29.00
    Technical 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
    On Sale 15%

    Reef Code B Balanced Calcium & Alkalinity System Part B 2 L - Brightwell Aquatics

    Brightwell Aquatics

    $28.45
    $24.18
    Overview 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

    Foundation Skeletal Elements ABC+ (1 KG) - Red Sea

    Red Sea

    $31.99
    Red 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...
  • On Sale 15%
    Reef Fusion "2" Two Part Calcium/Buffer System (4 L) - Seachem
    On Sale 15%

    Reef Fusion "2" Two Part Calcium/Buffer System (4 L) - Seachem

    Seachem

    $32.33
    $27.48
    Reef 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%
    Magnesion - Liquid Magnesium Supplement 2L - Brightwell
    On Sale 15%

    Magnesion - Liquid Magnesium Supplement 2L - Brightwell

    Brightwell Aquatics

    $29.99
    $25.49
    Concentrated 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

    K+ Elements Pro Coral Trace 1 (200 ml) - Tropic Marin

    Tropic Marin

    $13.32
    Tropic 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

    Copper Test Kit (90 Tests) - API

    API

    $12.48
    Copper 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...
  • On Sale 15%
    TURBOSTART 700 Freshwater (4 oz) Live Nitrifying Bacteria - Fritz
    On Sale 15%

    TURBOSTART 700 Freshwater (4 oz) Live Nitrifying Bacteria - Fritz

    Fritz Aquatics

    $25.49
    $21.67
    Live 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
    On Sale 15%

    Clarity (500 ML) - Seachem

    Seachem

    $16.71
    $14.20
    Clarity™ 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...
  • On Sale 15%
    COLORS 200% Coral Amino Acids (50 ml) - Polyplab
    On Sale 15%

    COLORS 200% Coral Amino Acids (50 ml) - Polyplab

    PolypLab

    $49.99
    $42.49
    Polyplab 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
    On Sale 15%

    Denitrate (2 Liter) - Seachem

    Seachem

    $22.42
    $19.06
    denitrate™ 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 15%
    Magnesium (Mg) Test Kit - Elos
    On Sale 15%

    Magnesium (Mg) Test Kit - Elos

    ELOS

    $25.99
    $22.09
    Mg 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

    A- Elements Pro Coral Trace 2 (200 ml) - Tropic Marin

    Tropic Marin

    $13.32
    Tropic 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)
    On Sale 15%

    Ammonium Chloride for Fishless Cycling - Dr Tim's (8 oz)

    Dr Tim's Aquatics

    $11.99
    $10.19
    This 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...
  • On Sale 15%
    Clear FX REEF (225 ml) - Blue Life USA
    On Sale 15%

    Clear FX REEF (225 ml) - Blue Life USA

    Blue Life USA

    $31.04
    $26.38
    Clear 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
    On Sale 15%

    Reef Phytoplankton (250mL) - Seachem

    Seachem

    $8.82
    $7.50
    Reef 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
    On Sale 15%

    Reef Carbonate (500 mL) - Seachem

    Seachem

    $7.59
    $6.45
    Reef 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
    On Sale 15%

    MultiTest Copper (75 tests) Marine & Freshwater - Seachem

    Seachem

    $16.31
    $13.86
    This 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
    On Sale 15%

    Boost pH+ Increaser (250 ml) - Brightwell

    Brightwell Aquatics

    $7.99
    $6.79
    Boost 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
    On Sale 15%

    Calcium (Ca) Test Kit - Elos

    ELOS

    $27.99
    $23.79
    Lab 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

    Reef BluePrint Isol8:F - Fluoride (60 mL) - Captiv8 Aquaculture

    Captiv8 Aquaculture

    $11.99
    Parameter 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

    HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments

    Hanna Instruments

    $1.56
    ONE 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...