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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 8%
    Sea Salt Mix Bucket (Makes 160 Gallons) - Instant Ocean
    On Sale 8%

    Sea Salt Mix Bucket (Makes 160 Gallons) - Instant Ocean

    Instant Ocean

    $71.99
    $65.99
    Instant Ocean® Sea Salt is the most carefully formulated and universally preferred sea salt in the world. The #1 choice of hobbyists, public aquariums, and scientific research facilities, Instant Ocean Sea Salt has set the industry standard for...
  • On Sale 15%
    Reef Fusion "1" Two Part Calcium/Buffer System (4 L) - Seachem
    On Sale 15%

    Reef Fusion "1" 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%
    Aiptasia Rx (0.5 oz) Removes Aiptasia & Majano Anemones - Blue Life USA
    On Sale 15%

    Aiptasia Rx (0.5 oz) Removes Aiptasia & Majano Anemones - Blue Life USA

    Blue Life USA

    $12.62
    $10.73
    Aiptasia Rx is a simple, effective and rapid solution for treating Aiptasia and Majano anemones. This product yields results within minutes of application. The dense solution sticks to Aiptasia, sealing the mouth to ensure planulas are not released...
  • On Sale 15%
    Iron Concentrate (250 ML - 8 oz) - Two Little Fishies
    On Sale 15%

    Iron Concentrate (250 ML - 8 oz) - Two Little Fishies

    Two Little Fishies

    $5.18
    $4.40
    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...
  • Phosphate (PO4) Reefer Test Kit 50 Tests - NYOS Aquatics

    Phosphate (PO4) Reefer Test Kit 50 Tests - NYOS Aquatics

    NYOS

    $24.99
    PHOSPHATE REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is...
  • Bio Booster (250 ml) -  NYOS Aquatics

    Bio Booster (250 ml) - NYOS Aquatics

    NYOS

    $35.99
    NYOS® BIO BOOSTER is a well-formulated Nutrient solution with more than 90 ingredientsBIO BOOSTER biologically reduces nitrite, nitrate and phosphate. In addition, your corals can use the resulting biomass as particulate nutrition. Together with...
  • pH/Alkalinity Marine Test Kit - Red Sea

    pH/Alkalinity Marine Test Kit - Red Sea

    Red Sea

    $23.99
    Easily and accurately test the pH and Alkalinity in your saltwater aquarium with the Red Sea pH/Alkalinity Test Kit. Maintaining proper alkalinity and pH in your reef tank is key to a successful reef tank.   Each kit includes: 100 pH...
  • pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    Hanna Instruments

    $29.00
    HI70010P is a premium quality pH 10.01 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...
  • On Sale 15%
    Calcion P - Dry Calcium Supplement (800g) - Brightwell
    On Sale 15%

    Calcion P - Dry Calcium Supplement (800g) - Brightwell

    Brightwell Aquatics

    $23.58
    $20.04
    Calcium Supplement for All Marine Fish & Reef Aquaria Overview High-purity powdered calcium. Increases the concentration of calcium in marine aquarium water to provide corals andother reef-building invertebrates with one of the most important...
  • On Sale 15%
    Clear FX PRO (225 ml) - Blue Life USA
    On Sale 15%

    Clear FX PRO (225 ml) - Blue Life USA

    Blue Life USA

    $31.04
    $26.38
    CLEAR FX PRO is the most advanced all-in-one filtration media available on the market. Our cutting edge technology is compatible with both fresh and saltwater aquariums of all sizes. The easy to use media is the most comprehensive and reliable...
  • On Sale 15%
    Reef Complete (2L) - Seachem
    On Sale 15%

    Reef Complete (2L) - Seachem

    Seachem

    $40.61
    $34.52
    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...
  • HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    Hanna Instruments

    $63.95
    The Hanna Freshwater Alkalinity 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...
  • (1-10 ml) Adjustable Volume Pipettor Highly Accurate Pipette

    (1-10 ml) Adjustable Volume Pipettor Highly Accurate Pipette

    Generic

    $59.99
    Fully adjustable 1-10 ml pipette for accurate measuring during testing. Volume Range:1-10ml; Increment: 100μl. This 10ml Pipette's fit 10ml Four E's Scientific Tip's Digit display to allow for more accurate volume setting and easier volume...
  • On Sale 15%
    Reef Iodide (250 mL)- Seachem
    On Sale 15%

    Reef Iodide (250 mL)- Seachem

    Seachem

    $7.35
    $6.25
    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%
    Waste Away Time Release Gels Marine (50 Gallon) - Dr Tims Aquatics
    On Sale 15%

    Waste Away Time Release Gels Marine (50 Gallon) - Dr Tims Aquatics

    Dr Tim's Aquatics

    $16.35
    $13.90
    The gels are full of our Waste-Away Bacteria that are automatically and continuously released into your aquarium to consume nutrients and break down fish waste; keeping your tank clean and water clear. REEF SAFE. “Gets into the nooks and crannies...
  • Calcium Marine Test Kit - Red Sea

    Calcium Marine Test Kit - Red Sea

    Red Sea

    $26.99
    Calcium Test Kit Accurate measurement of Calcium in marine aquariums Ca Red Sea’s user-friendly Calcium titration test provides a quick and reliable measurement of calcium in your aquarium to an accuracy of either 15ppm or 30ppm according to...
  • Nitrate + (1000 ml) - NYOS

    Nitrate + (1000 ml) - NYOS

    NYOS

    $14.99
    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 15%
    Complete Water Conditioner Dechlorinator (16 oz) - Fritz
    On Sale 15%

    Complete Water Conditioner Dechlorinator (16 oz) - Fritz

    Fritz Aquatics

    $15.99
    $13.59
    Fritz Complete is a concentrated, one- step, full-spectrum water conditioner that detoxifies chlorine, chloramine, ammonia, nitrite and nitrate. Safe to use in fresh and saltwater, including reef and planted aquariums. Use when setting up new aquaria,...
  • On Sale 15%
    Reef Plus (250 mL) - Seachem
    On Sale 15%

    Reef Plus (250 mL) - Seachem

    Seachem

    $7.61
    $6.47
    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%
    Marine ReFresh (4 oz) - Dr Tim's Aquatics
    On Sale 15%

    Marine ReFresh (4 oz) - Dr Tim's Aquatics

    Dr Tim's Aquatics

    $16.99
    $14.44
    Control Green or Brown Water in your Reef, Nano, or Seahorse Aquarium Use Dr.Tim's Re-Fresh in your reef, nano, or seahorse aquarium to control brown or green water issues. Re-Fresh is a potent combination of beneficial bacteria that work together to...
  • On Sale 15%
    Replenish (500 mL) - Seachem
    On Sale 15%

    Replenish (500 mL) - Seachem

    Seachem

    $5.01
    $4.26
    Replenish™ is a proprietary blend of salts designed to replenish physiologically relevant minerals that are removed by reverse osmosis or deionizing filtration. Replenish™ restores General Hardness (GH) using a balanced blend of both...
  • Phosphate + (1000 ml) - NYOS

    Phosphate + (1000 ml) - NYOS

    NYOS

    $14.99
    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...
  • Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics

    Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics

    NYOS

    $19.99
    CALCIUM REEFER NYOS REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is difficult due...
  • Coral Nectar -  NYOS Aquatics

    Coral Nectar - NYOS Aquatics

    NYOS

    $29.99
    CORAL NECTAR NYOS® CORAL NECTAR is a well-formulated nutrient solution that prevents specifically deficiencies and degeneration or corals and filter-feeders. After some time, a degeneration of numerous corals can occur frequently even in...
  • On Sale 15%
    Boost pH+ Increaser (2 L) - Brightwell
    On Sale 15%

    Boost pH+ Increaser (2 L) - Brightwell

    Brightwell Aquatics

    $45.99
    $39.09
    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%
    TURBOSTART 700 Freshwater (1 oz) Live Nitrifying Bacteria - Fritz
    On Sale 15%

    TURBOSTART 700 Freshwater (1 oz) Live Nitrifying Bacteria - Fritz

    Fritz Aquatics

    $13.59
    $11.55
    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...
  • Slide Panel 60 Dosing Utility Basket - Red Sea

    Slide Panel 60 Dosing Utility Basket - Red Sea

    Red Sea

    $24.95
    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...
  • On Sale 15%
    Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (500 mL) - Brightwell
    On Sale 15%

    Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (500 mL) - Brightwell

    Brightwell Aquatics

    $9.20
    $7.82
    Concentrated KH Buffer Supplement for All Marine Fish and Reef Aquaria Overview Alkalin 8.3P is a multi-component automatic buffer that regulates pH, unlike sodium carbonate its use makes for a much more stable aquarium. Eliminates pH and KH...
  • On Sale 15%
    Kalkwasser Dry Powder Mix (2 kg - 4.4 lbs) - Two Little Fishies
    On Sale 15%

    Kalkwasser Dry Powder Mix (2 kg - 4.4 lbs) - Two Little Fishies

    Two Little Fishies

    $42.58
    $36.19
    Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,...
  • On Sale 15%
    NeoNitro (4 L) - Brightwell
    On Sale 15%

    NeoNitro (4 L) - Brightwell

    Brightwell Aquatics

    $44.99
    $38.24
    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%
    Clear FX REEF (450 ml) - Blue Life USA
    On Sale 15%

    Clear FX REEF (450 ml) - Blue Life USA

    Blue Life USA

    $45.50
    $38.68
    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%
    Razor Marine System Cleaner, Coral Safe (8 oz - 250 ml) - Brightwell
    On Sale 15%

    Razor Marine System Cleaner, Coral Safe (8 oz - 250 ml) - Brightwell

    Brightwell Aquatics

    $10.13
    $8.61
    Unique Marine Systemic System Cleaner designed to target and clean surfaces of live rock, coral decorations and tank walls Overview Complex systemic cleaning polymer product, specifically formulated to clean aquarium live rock surfaces and...
  • On Sale 15%
    Reef Calcium (2L) - Seachem
    On Sale 15%

    Reef Calcium (2L) - Seachem

    Seachem

    $40.61
    $34.52
    Reef Calcium™ is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. Polygluconate complexation confers several benefits: it increases the bioavailability...
  • On Sale 15%
    Strontium (Sr) Test Kit - Salifert
    On Sale 15%

    Strontium (Sr) Test Kit - Salifert

    Salifert

    $33.18
    $28.20
    Trust your aquarium to Salifert. This test kit will measure ionically free strontium and complex, important for the accelerated growth of corals.  Salifert test kits are the epitome of accuracy and precision.  The sharp, contrasting color...
  • On Sale 15%
    CoralAmino Free Form Amino Acid Supplement (250 ml) - Brightwell
    On Sale 15%

    CoralAmino Free Form Amino Acid Supplement (250 ml) - Brightwell

    Brightwell Aquatics

    $45.72
    $38.86
    Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony and soft), as well as solitary and colonial polyps...
  • On Sale 15%
    C-Balance 2 Part Supplement (64 oz Set) 2x - 32oz Bottles -  Two Little Fishies
    On Sale 15%

    C-Balance 2 Part Supplement (64 oz Set) 2x - 32oz Bottles - Two Little Fishies

    Two Little Fishies

    $26.63
    $22.64
    C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts calcium, magnesium, and strontium ions to natural...
  • On Sale 15%
    ReMag Magnesium Media for Calcium Reactors (8.8 lbs) -  Two Little Fishies
    On Sale 15%

    ReMag Magnesium Media for Calcium Reactors (8.8 lbs) - Two Little Fishies

    Two Little Fishies

    $73.10
    $62.14
    ReMag is a magnesium-rich natural stone sized to blend well with ReBorn and other calcium carbonate media for use in calcium reactors. ReMag makes maintaining the magnesium level in your reef a no-brainer. Simply use ReMag in a calcium reactor according...
  • On Sale 15%
    Vitamarin-M Multivitamin Supplement (500 ML) - Brightwell
    On Sale 15%

    Vitamarin-M Multivitamin Supplement (500 ML) - Brightwell

    Brightwell Aquatics

    $32.65
    $27.75
    Overview Full-spectrum vitamin supplement formulated to benefit marine fishes, corals and otherinvertebrates, and other marine aquarium inhabitants. Provides a full-complement of vitamins in the same ratios found in the tissues offilter-feeding...