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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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  • On Sale 12%
    Reef Foundation C Dry - Magnesium (MG) (1 KG) Powder - Red Sea
    On Sale 12%

    Reef Foundation C Dry - Magnesium (MG) (1 KG) Powder - Red Sea

    Red Sea
    $33.99
    $29.91
    Magnesium Supplement Magnesium supplement for balanced formation of coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements need to be...
  • On Sale 15%
    (HI782-11) Marine Nitrate HIGH RANGE Certified Check Set - Hanna Instruments
    On Sale 15%

    (HI782-11) Marine Nitrate HIGH RANGE Certified Check Set - Hanna Instruments

    Hanna Instruments
    $25.99
    $22.09
    The Marine Nitrate High Range Checker® HC Calibration Check Set - HI782-11 provides a simple solution to validating the Marine Nitrate High Range Checker® HC - HI782. This high-quality set of standards is manufactured in our...
  • Reef Fusion "1" Two Part Calcium/Buffer System (2 L) - Seachem

    Reef Fusion "1" Two Part Calcium/Buffer System (2 L) - Seachem

    Seachem
    $21.44
    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...
  • DeChlor (1 gal) Chlorine Remover - Weco

    DeChlor (1 gal) Chlorine Remover - Weco

    Weco
    $39.99
    Weco DeChlor instantly eliminates chlorine and reduces toxicity of common heavy metals. Just 1 drop per U.S. gallon removes chlorine and chlorine dioxide. DeChlor also reduces the toxicity of heavy metals such as copper, cadmium, mercury, silver, zinc,...
  • On Sale 20%
    AcroPower Amino Acids for SPS Corals (250 ml) - Two Little Fishies
    On Sale 20%

    AcroPower Amino Acids for SPS Corals (250 ml) - Two Little Fishies

    Two Little Fishies
    $14.94
    $11.95
    AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other...
  • On Sale 15%
    Checktemp Digital Thermometer (HI98501) - Hanna Instruments
    On Sale 15%

    Checktemp Digital Thermometer (HI98501) - Hanna Instruments

    Hanna Instruments
    $54.99
    $46.74
    The HI 98501 Checktemp® is a digital thermometer with stainless steel penetration probe. It delivers high accuracy temperature measurements over a wide temperature range without worrying about breakage or condensation. The Checktemp® offers NO...
  • On Sale 12%
    ReefDose Tube Tip Set (4 pack) - Red Sea
    On Sale 12%

    ReefDose Tube Tip Set (4 pack) - Red Sea

    Red Sea
    $5.99
    $5.27
    The ReefDose Tube Tips allow for quick and easy connection of your dosing tubing to the ReefDose Holder. They provide a clean and precisely sized dosing tips for extremely accurate dosing of reef additives.  What’s Included? 4x ReefDose Tube...
  • On Sale 15%
    NeoPhos - Balanced Phosphorus Supplement (2 L) - Brightwell
    On Sale 15%

    NeoPhos - Balanced Phosphorus Supplement (2 L) - Brightwell

    Brightwell Aquatics
    $33.46
    $28.44
    Balanced Phosphorus Source for Phosphorus-Limited, Low-Nutrient Reef Aquaria Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enables natural nitrogen uptake to take place in systems with inadequate phosphorus...
  • On Sale 15%
    Restor Liquid Coral Tissue Nutritional Supplement (250 ML) - Brightwell
    On Sale 15%

    Restor Liquid Coral Tissue Nutritional Supplement (250 ML) - Brightwell

    Brightwell Aquatics
    $13.13
    $11.16
    Overview Encourages health, growth, reproduction, and vibrant coloration. Provides important nutrients to corals and their allies during periods of stress inducedby changes in lighting and/or prolonged exposure to excessive water temperature...
  • On Sale 12%
    Calcium Pro-High accuracy Titration Test Kit (75 tests) - Red Sea
    On Sale 12%

    Calcium Pro-High accuracy Titration Test Kit (75 tests) - Red Sea

    Red Sea
    $44.99
    $39.59
    Red Sea’s Calcium Pro Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm. This test kit enables the accurate dosing of Red Sea’s Reef Foundation...
  • MC 720 PH Dosing Kit Controller & Pump - Milwaukee Instruments

    MC 720 PH Dosing Kit Controller & Pump - Milwaukee Instruments

    Milwaukee Instruments
    $395.75
    Control the pH of your tank/reservoir automatically! The MC122 pH controller and dosing pump (MP810) provides fully automated pH control of aqueous solutions in hydroponic systems. It has been specifically designed to control the pH in mixing tanks for...
  • On Sale 15%
    A- Elements (500 ml) - Tropic Marin
    On Sale 15%

    A- Elements (500 ml) - Tropic Marin

    Tropic Marin
    $23.99
    $20.39
    Tropic Marin® A- Elements contains a selection of essential anionic 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 maintain...
  • On Sale 15%
    Kalk+2 Kalkwasser Supplement w/Trace (225 gm - 1/2 lb) - Brightwell
    On Sale 15%

    Kalk+2 Kalkwasser Supplement w/Trace (225 gm - 1/2 lb) - Brightwell

    Brightwell Aquatics
    $18.69
    $15.89
    Overview  • Contains calcium, strontium, and magnesium in the same ionic ratios found in aragonite. This unique feature increases the usefulness of Kalk+2 to reef-building invertebrates such as corals, clams, calcareous algae, etc...
  • Reef Crystals Salt Mix Bucket (Makes 160 Gallons) - Instant Ocean

    Reef Crystals Salt Mix Bucket (Makes 160 Gallons) - Instant Ocean

    Instant Ocean
    $81.99
    Enriched formulation. Optimum effectiveness. Formulated specially for use in reef aquariums, Reef Crystals contains essential ocean reef elements in concentrations greater than those found in natural sea water. Extra Calcium to help ensure the...
  • Phosi-EX (500 ml) Phosphate Removing Filter Media -  NYOS

    Phosi-EX (500 ml) Phosphate Removing Filter Media - NYOS

    NYOS
    $29.99
    PHOSI-EX NYOS PHOSI-EX is an extremely high-performance, moist, and secure silicate and phosphate adsorber on an iron basis.  The targeted use of PHOSI-EX will prevent unwanted algae plagues effectively and you aquarium will shine in all...
  • Reef BluePrint Isol8:V - Vanadium (60 mL) - Captiv8 Aquaculture

    Reef BluePrint Isol8:V - Vanadium (60 mL) - Captiv8 Aquaculture

    Captiv8 Aquaculture
    $16.31
    Parameter Vanadium Value 1,000 ppm Characteristics Required by photoautotrophs (including zooxanthellae) for photosynthesis and nitrogen assimilation (nitrate reduction, nitrogen fixation) See 'Application'...
  • Safe Dry Water Conditioner (250 g) - SeaChem

    Safe Dry Water Conditioner (250 g) - SeaChem

    Seachem
    $12.48
    Safe™ is the complete and concentrated dry conditioner for both fresh and salt water. Safe™ removes chlorine, chloramine and ammonia. Safe™ converts ammonia into a safe, non-toxic form that is readily removed by the tank’s...
  • Slide Panel 60 Dosing Utility Basket - Red Sea

    Slide Panel 60 Dosing Utility Basket - Red Sea

    Red Sea
    $30.95
    The Red Sea Utility Basket is a product designed for use in aquariums. It is a basket or container that can be used to store various aquarium-related items, such as chemicals, food, or tools. The basket is typically made from durable, non-reactive...
  • Garlic Guard (250 mL) - Seachem

    Garlic Guard (250 mL) - Seachem

    Seachem
    $7.38
    GarlicGuard™ is an appetite/flavor enhancer for freshwater and saltwater fish. GarlicGuard™ will help renew the interest of poor or finicky eaters. GarlicGuard™ contains naturally derived garlic oil. GarlicGuard™ also contains...
  • On Sale 15%
    Microfiber Cloth for Wiping Cuvettes - 4 (HI731318) - Hanna Instruments
    On Sale 15%

    Microfiber Cloth for Wiping Cuvettes - 4 (HI731318) - Hanna Instruments

    Hanna Instruments
    $24.99
    $21.24
    HI731318 are microfiber cloths for wiping the cuvettes used in Checker HC (HI700 series) handheld colorimeters, photometers (HI96000 portable series and HI83000 benchtop series) and turbidity meters. These cloths remove dirt, grease and fingerprints...
  • On Sale 15%
    HI701 Free Chlorine Checker - Hanna Instruments
    On Sale 15%

    HI701 Free Chlorine Checker - Hanna Instruments

    Hanna Instruments
    $67.99
    $57.79
    The Hanna Free Chlorine 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%
    Bio-Magnesium Supplement Powder (16 oz) - Tropic Marin
    On Sale 15%

    Bio-Magnesium Supplement Powder (16 oz) - Tropic Marin

    Tropic Marin
    $18.99
    $16.14
    Besides 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 carbon dioxide and light into organic compounds...
  • Pristine (500 ml) Bacterial Water Conditioner - Seachem

    Pristine (500 ml) Bacterial Water Conditioner - Seachem

    Seachem
    $19.23
    Pristine™ 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,...
  • On Sale 15%
    Alkalin-P 8.3 - Dry pH/KH Builder (1000 gm) - Brightwell
    On Sale 15%

    Alkalin-P 8.3 - Dry pH/KH Builder (1000 gm) - Brightwell

    Brightwell Aquatics
    $28.50
    $24.23
    KH Buffer Powder for all Marine Fish and Reef Aquaria Overview Raises alkalinity, adjust pH to 8.3 Unlike single component KH products such as sodium carbonate, Alkalin 8.3P is a multi-component automatic buffer that regulates pH and its use makes...
  • Reef Strontium (500mL) - Seachem

    Reef Strontium (500mL) - Seachem

    Seachem
    $11.33
    Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it in their skeletons along with calcium. Its addition to reef aquariums aids the growth of corals,...
  • On Sale 20%
    Liquid Phosban-L (500 ml) - Two Little Fishies
    On Sale 20%

    Liquid Phosban-L (500 ml) - Two Little Fishies

    Two Little Fishies
    $26.63
    $21.30
    Got a little phosphate problem? You can solve that in a hurry with PhosBan GFO granular ferric oxyhydroxide. But if your phosphate problem is more than 0.5 ppm you can use our new little solution, PhosBan-L, a highly concentrated liquid containing...
  • On Sale 15%
    Fritz RPM Liquid Alkalinity Elements (1 Gallon) Part 1 - Fritz
    On Sale 15%

    Fritz RPM Liquid Alkalinity Elements (1 Gallon) Part 1 - Fritz

    Fritz Aquatics
    $23.99
    $20.39
    It 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...
  • On Sale 15%
    pH 4.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments
    On Sale 15%

    pH 4.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    Hanna Instruments
    $17.20
    $14.62
    HI70004P 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...
  • Marine Buffer (1 KG) - Seachem

    Marine Buffer (1 KG) - Seachem

    Seachem
    $23.16
    Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will...
  • On Sale 15%
    Marine ReFresh (8 oz) - Dr Tim's Aquatics
    On Sale 15%

    Marine ReFresh (8 oz) - Dr Tim's Aquatics

    Dr Tim's Aquatics
    $36.19
    $30.76
    Re-Fresh revitalizes old, green/brown aquarium water. Re-Fresh is a potent combination of beneficial bacteria that work together to maintain clear water, clean aquarium surfaces and eliminate unpleasant odors. Revitalizes old, green/brown...
  • On Sale 12%
    4-Part RCP Complete Reef Care Dosing System - Small (150L - 40 Gal) - Red Sea
    On Sale 12%

    4-Part RCP Complete Reef Care Dosing System - Small (150L - 40 Gal) - Red Sea

    Red Sea
    $69.99
    $61.59
    Meet the new 4-part Complete Reef Care, providing hobbyists with more convenience at no extra cost, and ensuring optimal coral growth and vivid colors with only one test per week!  Our long-term research has revealed that in most reef systems...
  • On Sale 15%
    HI73127 Spare Electrode For Testers - Hanna Instruments
    On Sale 15%

    HI73127 Spare Electrode For Testers - Hanna Instruments

    Hanna Instruments
    $79.99
    $67.99
    Spare tester electrode. Compatible with: HI 98129, and HI 98130 Combo multi-parameter testers, HI 98127 and HI 98128 pHep testers, and HI 98121 ORP tester.  
  • On Sale 15%
    MicroBacterClean (500 ML - 16 oz) - Brightwell
    On Sale 15%

    MicroBacterClean (500 ML - 16 oz) - Brightwell

    Brightwell Aquatics
    $25.30
    $21.51
    Overview Complex system of non-pathogenic microbes and natural enzymes, specifically formulated to clean aquarium live rock and decorations. Professionals use MicrōBacterCLEAN to combat the "ugly stage," that time right after initial cycling...
  • 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
    $12.59
    $10.70
    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%
    TURBOSTART 900 Saltwater (32 oz) Live Nitrifying Bacteria - Fritz
    On Sale 15%

    TURBOSTART 900 Saltwater (32 oz) Live Nitrifying Bacteria - Fritz

    Fritz Aquatics
    $144.49
    $122.82
    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%
    Amino-Organic (250 ml) - Tropic Marin
    On Sale 15%

    Amino-Organic (250 ml) - Tropic Marin

    Tropic Marin
    $25.99
    $22.09
    Stimulates coral growth, intensifies colouring and reduces phosphate in the reef aquarium biologically. Pale or brownish corals are often caused by too weak a concentration of easily digestible nitrogen compounds. Tropic Marin®...