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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%
    Nitrate Pro (NO3) High Definition Comparator Test Kit - 100 Tests - Red Sea
    On Sale 12%

    Nitrate Pro (NO3) High Definition Comparator Test Kit - 100 Tests - Red Sea

    Red Sea

    $54.99
    $48.39
    Red Sea’s Nitrate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of nitrate in your reef aquarium to an exceptionally high accuracy of 0.12ppm NO3. Nitrate Pro Test Kit , when used in conjunction...
  • On Sale 15%
    Red Cyano Rx (Treats 400 Gallons) Removes Cyanobacteria - Blue Life USA
    On Sale 15%

    Red Cyano Rx (Treats 400 Gallons) Removes Cyanobacteria - Blue Life USA

    Blue Life USA

    $23.85
    $20.27
    Red 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 beneficial bacteria when used as directed. Unlike other...
  • On Sale 20%
    (HI780-25) Marine pH Checker Reagents (100 Tests) - Hanna
    On Sale 20%

    (HI780-25) Marine pH Checker Reagents (100 Tests) - Hanna

    Hanna Instruments

    $24.99
    $19.99
    The HI780-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Marine pH Checker® HC. These reagents follow the Phenol Red method in which the reagents produce a range of...
  • On Sale 20%
    HI784-25 Marine Ammonia HC Checker Reagents (25 tests) - Hanna Instruments
    On Sale 20%

    HI784-25 Marine Ammonia HC Checker Reagents (25 tests) - Hanna Instruments

    Hanna Instruments

    $24.99
    $19.99
    HI784-25 Marine Ammonia Checker HC (Handheld Colorimeter) Reagents are high-quality reagents for use with the HI784 Marine Ammonia (ppm) Checker HC. Reagents are clearly marked with the lot number and expiration date on each packet for traceability...
  • On Sale 15%
    (Germany) Bio Actif Sea Salt Bucket (200 Gallon) - Tropic Marin
    On Sale 15%

    (Germany) Bio Actif Sea Salt Bucket (200 Gallon) - Tropic Marin

    Tropic Marin

    $123.14
    $104.67
    Tropic Marin® BIO-ACTIF Sea Salt contains naturally occurring marine biopolymers, which support the microbiological conditions in an aquarium and thus protect and enhance the growth of aquarium fauna. To this end, corals will exhibit their...
  • On Sale 12%
    Reef Foundation B - Alkalinity (KH) (500 ml) Liquid - Red Sea
    On Sale 12%

    Reef Foundation B - Alkalinity (KH) (500 ml) Liquid - Red Sea

    Red Sea

    $19.99
    $17.59
    KH/Alkalinity Supplement Carbonate & buffer complex 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...
  • On Sale 12%
    Reef Foundation B Dry - Alkalinity (KH) (1 KG) Powder -  Red Sea
    On Sale 12%

    Reef Foundation B Dry - Alkalinity (KH) (1 KG) Powder - Red Sea

    Red Sea

    $31.99
    $28.15
    KH/Alkalinity Supplement Carbonate & buffer complex 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...
  • On Sale 20%
    HI784 Marine Ammonia Checker Handheld Colorimeter (Saltwater) - Hanna Instruments
    On Sale 20%

    HI784 Marine Ammonia Checker Handheld Colorimeter (Saltwater) - Hanna Instruments

    Hanna Instruments

    $67.99
    $54.39
    The HI784 Marine Ammonia Checker HC is a handheld colorimeter that uses the Beer-Lambert principle to determine the concentration of ammonia colorimetrically. The HI784 is designed specifically to measure ammonia levels in a saltwater aquarium. The 0.00...
  • On Sale 15%
    Garlic Guard (500 mL) - Seachem
    On Sale 15%

    Garlic Guard (500 mL) - Seachem

    Seachem

    $11.33
    $9.63
    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 20%
    pH 7.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments
    On Sale 20%

    pH 7.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    Hanna Instruments

    $19.99
    $15.99
    HI70007P 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...
  • On Sale 15%
    MC120 PH Monitor w/Probe & Mounting Kit - Milwaukee Instruments
    On Sale 15%

    MC120 PH Monitor w/Probe & Mounting Kit - Milwaukee Instruments

    Milwaukee Instruments

    $87.00
    $73.95
    The MC Monitors are designed to continuously monitor pH, EC or TDS values directly in your reservoir. Each unit features a user select able set-point. An LED visual alarm is activated and flashes when the pH, EC or TDS level rises either Above or Below...
  • On Sale 15%
    Fishless Fuel Ammonia Solution (2 oz) - Fritz
    On Sale 15%

    Fishless Fuel Ammonia Solution (2 oz) - Fritz

    Fritz Aquatics

    $4.23
    $3.60
    Establishing a healthy biological filter is essential to every aquatic system. Fritz Fishless Fuel eliminates the guesswork of dry ammonium chloride powders and other ammonia sources such as fish food or other organic materials. When using Fritz Fishless...
  • On Sale 15%
    PINPOINT Platinum ORP/REDOX Probe - American Marine
    On Sale 15%

    PINPOINT Platinum ORP/REDOX Probe - American Marine

    American Marine

    $59.99
    $50.99
    Designed especially for the PINPOINT® ORP Monitor and the PINPOINT® ORP Controller. It features long, continuous duty expectancy, fast response and, most importantly, is non-toxic to your system. Each probe features a 10 foot cable with a high...
  • Phosphate Test Kit (150 Tests) - API

    Phosphate Test Kit (150 Tests) - API

    API

    $14.98
    Phosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae.   Excess phosphate contributes to unsightly algae blooms.   This kit tests phosphate levels from 0 to 10 ppm in...
  • On Sale 15%
    Iron Concentrate (500 ML - 16 oz) - Two Little Fishies
    On Sale 15%

    Iron Concentrate (500 ML - 16 oz) - Two Little Fishies

    Two Little Fishies

    $9.99
    $8.49
    Two Little Fishies Iron Concentrate is a solution that contains the elements iron and manganese, which are essential to the health of all plants, including the symbiotic zooxanthellae in corals and sea anemones, and sea-grasses. Two Little Fishies Iron...
  • On Sale 15%
    Flux RX up to 350g (7000 mg) Fluconazole - Blue Life USA
    On Sale 15%

    Flux RX up to 350g (7000 mg) Fluconazole - Blue Life USA

    Blue Life USA

    $51.31
    $43.61
    Flux Rx is simple and effective with levels easily achieved and maintained quickly for effectiveness when Bryopsis or Green Hair Algae are present.   How to prepare product: Turn off skimmer and discontinue using activated carbon and phosphate...
  • On Sale 15%
    (Germany) Pro Reef Salt - 160 Gallon (Box) - Tropic Marin
    On Sale 15%

    (Germany) Pro Reef Salt - 160 Gallon (Box) - Tropic Marin

    Tropic Marin

    $95.82
    $81.45
    The pharmaceutical grade sea salt especially for modern reef aquaria. Tropic Marin® PRO-REEF Sea Salt has been designed to meet the special requirements of reef aquariums with optimized concentrations of calcium and magnesium, which promote the...
  • On Sale 15%
    Reef Trace (500 mL) - Seachem
    On Sale 15%

    Reef Trace (500 mL) - Seachem

    Seachem

    $11.69
    $9.94
    Replenishment of a number of trace elements is required to maintain an environment ideal for the growth and reproduction of marine life, but while the importance of trace elements has been recognized by aquarists for many years, the physiological reasons...
  • On Sale 12%
    Foundation Supplements Complete Pack CA, ALK, MG - (250ml) - Red Sea
    On Sale 12%

    Foundation Supplements Complete Pack CA, ALK, MG - (250ml) - Red Sea

    Red Sea

    $28.99
    $25.51
    Red Sea's Reef Foundation Complete Supplement Pack contains all five of the essential foundation elements required in order for corals to thrive within the reef aquarium. Unlike the natural reef where there is an immense reservoir of foundation...
  • On Sale 15%
    Reef Plus (500 mL) - Seachem
    On Sale 15%

    Reef Plus (500 mL) - Seachem

    Seachem

    $11.69
    $9.94
    Reef Plus™ is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus™ is formulated to provide...
  • On Sale 15%
    Kalk+2 Kalkwasser Supplement w/Trace (450 gm - 1 lb) - Brightwell
    On Sale 15%

    Kalk+2 Kalkwasser Supplement w/Trace (450 gm - 1 lb) - Brightwell

    Brightwell Aquatics

    $19.99
    $16.99
    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...
  • On Sale 15%
    PINPOINT pH 4.0 Calibration Fluid (5 Pack)
    On Sale 15%

    PINPOINT pH 4.0 Calibration Fluid (5 Pack)

    American Marine

    $5.95
    $5.06
    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each...
  • On Sale 20%
    Checktemp® 1 Digital Thermometer (HI98509) - Hanna Instruments
    On Sale 20%

    Checktemp® 1 Digital Thermometer (HI98509) - Hanna Instruments

    Hanna Instruments

    $59.99
    $47.99
    The Checktemp® 1 Digital Thermometer - HI98509 is a high-accuracy thermometer with a 1 m (3.3’) flexible, silicone cable connecting the meter and the stainless steel probe. The sharp-tip penetration probe easily lances semi-solid products...
  • On Sale 12%
    5L
    On Sale 12%

    Reef Energy AB+ Plus Coral Nutrition (5 L) - Red Sea

    Red Sea

    $155.00
    $136.40
    An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming. Based on our long-term research, Reef Energy...
  • On Sale 15%
    Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems
    On Sale 15%

    Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems

    Neptune Systems

    $94.99
    $80.74
    Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until it’s too late. With this module, your Apex...
  • On Sale 20%
    HI1271 Replacement Spare pH Electrode for HI98100 - Hanna Instruments
    On Sale 20%

    HI1271 Replacement Spare pH Electrode for HI98100 - Hanna Instruments

    Hanna Instruments

    $29.99
    $23.99
    The HI1271 is the replacement pH electrode for the HI98100, HI98103, and HI98115 Checker pH meters. The HI1271 is a single junction pH electrode that has a slim 8 mm polypropylene body that easily fits into test tube and other small sized vessels...
  • On Sale 15%
    ICP Mass Spec Saltwater Aquarium Water Test (50+ Elements) - ICP Analysis
    On Sale 15%

    ICP Mass Spec Saltwater Aquarium Water Test (50+ Elements) - ICP Analysis

    ICP Analysis

    $29.95
    $25.46
    This is the first Mass Spec test offered to the aquarium industry.  We will test over 50 elements down to ppt, parts per trillion.  There is not any test more accurate available.  This test is up to 1000x more accurate than traditional ICP...
  • On Sale 15%
    Smart Magnetic Stirir for Testing - AutoAqua
    On Sale 15%

    Smart Magnetic Stirir for Testing - AutoAqua

    AutoAqua

    $32.99
    $28.04
    A magnetic stirrer for mixing water test reagents efficiently and effortlessly. LABOR AND TIME SAVING Water testing is critical and necessary for aquariums. However, it is annoying and time-consuming to mix different test kits one by one...
  • On Sale 15%
    K+ Elements Pro Coral Trace 1 (1000 ml) - Tropic Marin
    On Sale 15%

    K+ Elements Pro Coral Trace 1 (1000 ml) - Tropic Marin

    Tropic Marin

    $34.94
    $29.70
    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...
  • On Sale 12%
    Reef Foundation C - Magnesium (MG) (500 ml) Liquid - Red Sea
    On Sale 12%

    Reef Foundation C - Magnesium (MG) (500 ml) Liquid - Red Sea

    Red Sea

    $19.99
    $17.59
    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%
    Reef Iodide (500 mL)- Seachem
    On Sale 15%

    Reef Iodide (500 mL)- Seachem

    Seachem

    $11.24
    $9.55
    Reef Iodide™ is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source of iodide that will not...
  • On Sale 15%
    A- Elements Pro Coral Trace 2 (1000 ml) - Tropic Marin
    On Sale 15%

    A- Elements Pro Coral Trace 2 (1000 ml) - Tropic Marin

    Tropic Marin

    $34.94
    $29.70
    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  (2 oz)
    On Sale 15%

    Ammonium Chloride for Fishless Cycling - Dr Tim's (2 oz)

    Dr Tim's Aquatics

    $5.96
    $5.07
    This bottle of reagent grade ammonium chloride is for use when fishless cycling. Concentration is 40 mg/ml of total ammonia-nitrogen (TAN). Dose 4 drops per gallon of aquarium water.*  Use with One and Only Nitrifying Bacteria...
  • On Sale 20%
    Professional Sea Salt (20kg) - Fauna Marin
    On Sale 20%

    Professional Sea Salt (20kg) - Fauna Marin

    Fauna Marin

    $86.99
    $69.59
    Professional Sea Salt for Demanding Aquariums Fauna Marin Professional Sea Salt contains all the essential macro and trace elements needed to create the ideal coral environment. Professional Sea Salt was specially developed for coral...
  • Ammonia Test Kit (130 Tests) - API

    Ammonia Test Kit (130 Tests) - API

    API

    $15.48
    Ammonia Test Kit The API® Ammonia Test Kit measures ammonia to help prevent fish loss, as ammonia is the number one stressor and killer of tropical fish. Ammonia is released into an aquarium in the forms of uneaten food, decaying organic matter, and...