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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 15%
    PINPOINT ORP Monitor - American Marine
    On Sale 15%

    PINPOINT ORP Monitor - American Marine

    American Marine
    $114.99
    $97.74
    PINPOINT® ORP Monitor will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial oxidation agent in fresh or saltwater. It is also popular for...
  • On Sale 15%
    Electrode Cleaning Solution (500 ml)  HI7061L  - Hanna Instruments
    On Sale 15%

    Electrode Cleaning Solution (500 ml) HI7061L - Hanna Instruments

    Hanna Instruments
    $21.99
    $18.69
    HI7061L is a general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna’s cleaning solutions eliminate...
  • Reef Fusion "2" Two Part Calcium/Buffer System (4 L) - Seachem

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

    Seachem
    $32.33
    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%
    Nitrite (N02) Test Kit - Salifert
    On Sale 15%

    Nitrite (N02) Test Kit - Salifert

    Salifert
    $14.99
    $12.74
    Features:Nitrite is a substance that is toxic to fish and invertebrates.It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) that nitrite has vanished.Many nitrite test kits suffer from interference by amines (such as...
  • Nitrate Test Kit (90 Tests) - API

    Nitrate Test Kit (90 Tests) - API

    API
    $13.98
    The API Nitrate Test Kit will allow you to accurately and easily measure the nitrate level and provides steps to remove it. Kit includes 2 liquid droppers, instructions on how to test and correct water conditions, a glass test tube, and 2 colors charts...
  • Garlic Guard (500 mL) - Seachem

    Garlic Guard (500 mL) - Seachem

    Seachem
    $11.33
    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%
    Potassium Reef Test - Salifert
    On Sale 15%

    Potassium Reef Test - Salifert

    Salifert
    $18.81
    $15.99
    Salifert test kits have been trusted by discerning reefers for years for their ease of use and reliability.  Many reefers will report loss of coloration in corals when potassium level start to drop below 360 ppm. Potassium levels in natural...
  • On Sale 15%
    HI784 Marine Ammonia Checker Handheld Colorimeter (Saltwater) - Hanna Instruments
    On Sale 15%

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

    Hanna Instruments
    $74.99
    $63.74
    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 12%
    5L
    On Sale 12%

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

    Red Sea
    $169.99
    $149.59
    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...
  • MC120 PH Monitor w/Probe & Mounting Kit - Milwaukee Instruments

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

    Milwaukee Instruments
    $139.15
    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%
    Ammonium Chloride for Fishless Cycling - Dr Tim's  (4 oz)
    On Sale 15%

    Ammonium Chloride for Fishless Cycling - Dr Tim's (4 oz)

    Dr Tim's Aquatics
    $7.19
    $6.11
    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 25%
    Pharma Soda Ash 1 Gallon Mix (Single Use) - Bulk Reef Supply
    On Sale 25%

    Pharma Soda Ash 1 Gallon Mix (Single Use) - Bulk Reef Supply

    Bulk Reef Supply
    $10.99
    $8.24
    Ultra-pure Grade Soda Ash for 2-part dosing in your reef tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it grows. Using only pharmaceutical grade...
  • On Sale 12%
    Coral Pro Sea Salt Mix Red BOX (Makes 160 Gallons) - Red Sea
    On Sale 12%

    Coral Pro Sea Salt Mix Red BOX (Makes 160 Gallons) - Red Sea

    Red Sea
    $87.99
    $77.43
    Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro Salt is ideal for reef aquariums, in particular for...
  • Reef Plus (500 mL) - Seachem

    Reef Plus (500 mL) - Seachem

    Seachem
    $11.69
    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...
  • Reef BluePrint Isol8:F - Fluoride (60 mL) - Captiv8 Aquaculture

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

    Captiv8 Aquaculture
    $12.23
    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...
  • Red Cyano Rx (Treats 400 Gallons) Removes Cyanobacteria - Blue Life USA

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

    Blue Life USA
    $23.85
    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%
    Potassium Concentrate (500 ML - 16 oz) - Two Little Fishies
    On Sale 20%

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

    Two Little Fishies
    $12.75
    $10.20
    Julian Sprung's Reef Formula Potassium occurs at a concentration of about 400 mg/L in full-strength natural seawater. It is an essential element for metabolic function of all living cells. Sometimes artificial seawater mixes are deficient in potassium,...
  • On Sale 15%
    pH 7.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments
    On Sale 15%

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

    Hanna Instruments
    $17.20
    $14.62
    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%
    HI764 Nitrite Ultra Low Range Checker HC (Saltwater) - Hanna Instruments
    On Sale 15%

    HI764 Nitrite Ultra Low Range Checker HC (Saltwater) - Hanna Instruments

    Hanna Instruments
    $74.99
    $63.74
    Nitrification is the biological oxidation of ammonia (ammonium ion) into nitrite followed by the oxidation of the nitrites to nitrates. The first step of this 2-step process is carried out in an aquarium by nitrifying bacteria. During this quick process,...
  • 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
    $20.99
    $18.47
    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 25%
    Pharma Magnesium Mix for General Adjustments - Bulk Reef Supply
    On Sale 25%

    Pharma Magnesium Mix for General Adjustments - Bulk Reef Supply

    Bulk Reef Supply
    $19.99
    $14.99
    Ultra Pure Magnesium Additive for General Adjustments in your Reef Tank! Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank by preventing excess calcium carbonate precipitation. Not all...
  • 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
    $25.72
    $21.86
    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 Fusion "1" Two Part Calcium/Buffer System (4 L) - Seachem

    Reef Fusion "1" Two Part Calcium/Buffer System (4 L) - Seachem

    Seachem
    $32.33
    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...
  • Flux RX up to 350g (7000 mg) Fluconazole - Blue Life USA

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

    Blue Life USA
    $51.31
    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...
  • Reef Iodide (500 mL)- Seachem

    Reef Iodide (500 mL)- Seachem

    Seachem
    $11.24
    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 12%
    4-Part RCP Complete Reef Care Dosing System - Large (600L - 160 Gal) - Red Sea
    On Sale 12%

    4-Part RCP Complete Reef Care Dosing System - Large (600L - 160 Gal) - Red Sea

    Red Sea
    $189.99
    $167.19
    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%
    NeoNitro (2 L) - Brightwell
    On Sale 15%

    NeoNitro (2 L) - Brightwell

    Brightwell Aquatics
    $33.46
    $28.44
    Balanced 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...
  • On Sale 15%
    Magnesion - Liquid Magnesium Supplement 2L - Brightwell
    On Sale 15%

    Magnesion - Liquid Magnesium Supplement 2L - Brightwell

    Brightwell Aquatics
    $31.41
    $26.70
    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...
  • 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
    $5.79
    $4.92
    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 15%
    Cyo-Control (500 ml) - Tropic Marin
    On Sale 15%

    Cyo-Control (500 ml) - Tropic Marin

    Tropic Marin
    $35.99
    $30.59
    Tropic Marin® Cyo-Control naturally blocks the recurrence of cyanobacteria in the aquarium. After the cyanobacteria have been removed manually, the probiotic bacteria of Tropic Marin® Cyo-Control settle in their place. Once these...
  • Nitrate + (1000 ml) - NYOS

    Nitrate + (1000 ml) - NYOS

    NYOS
    $19.99
    Control of nutrients made easy. Only raises the nitrate value No undesirable additives High degree of purity Nyos® NITRATE+ and PHOSPHATE+ allows you to raise nitrate and phosphate levels quickly, easily and safely. The correct nitrate and...
  • 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
    $57.99
    $51.03
    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 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
    $32.99
    $29.03
    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%
    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...