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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%
     FritzPRO R.P.M. Salt Mix Box (55 lbs - Makes 200 Gallons) - Fritz Aquatics
    On Sale 15%

    FritzPRO R.P.M. Salt Mix Box (55 lbs - Makes 200 Gallons) - Fritz Aquatics

    Fritz Aquatics

    $82.24
    $69.90
    Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor elements of natural sea water that are utilized by...
  • HI782-25  Nitrate High Range Reagents (25 tests) - Hanna Instruments

    HI782-25 Nitrate High Range Reagents (25 tests) - Hanna Instruments

    Hanna Instruments

    $16.00
    HI782-25 (25 tests) The HI782-25 are the replacement reagents for the HI782 Nitrate High Range Checker.  These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration...
  • HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments

    HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments

    Hanna Instruments

    $13.00
    Reagents for the HI774. Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates...
  • Large Bucket Coral Pro Sea Salt Mix (Makes 175 Gallons) - Red Sea

    Large Bucket Coral Pro Sea Salt Mix (Makes 175 Gallons) - Red Sea

    Red Sea

    $84.99
    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...
  • (Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin

    (Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin

    Tropic Marin

    $120.33
    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...
  • HI758-26 Marine Calcium Checker Reagents (25 Tests) - Hanna Instruments

    HI758-26 Marine Calcium Checker Reagents (25 Tests) - Hanna Instruments

    Hanna Instruments

    $27.00
    Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The HI758...
  • Coral Pro Salt Sack (55 lbs Makes 200 Gallons) - Red Sea

    Coral Pro Salt Sack (55 lbs Makes 200 Gallons) - Red Sea

    Red Sea

    $84.99
    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...
  • Small Bucket Coral Pro Sea Salt Mix (Makes 55 Gallons) - Red Sea

    Small Bucket Coral Pro Sea Salt Mix (Makes 55 Gallons) - Red Sea

    Red Sea

    $34.99
    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...
  • HI782 Marine Nitrate High Range Checker - Hanna Instruments

    HI782 Marine Nitrate High Range Checker - Hanna Instruments

    Hanna Instruments

    $63.95
    The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors...
  • Reef Energy AB+ Plus Coral Nutrition (1000 ml) - Red Sea

    Reef Energy AB+ Plus Coral Nutrition (1000 ml) - Red Sea

    Red Sea

    $39.99
    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...
  • ATI ICP-OES Complete Water Test Kit (w/ Prepaid Shipping Label) - ATI

    ATI ICP-OES Complete Water Test Kit (w/ Prepaid Shipping Label) - ATI

    ATI

    $44.95
    This is the only ICP Test Kit currently on the market that includes the prepaid return shipping label to send the samples in.  Just pop it in the mail box. With the ARCOS II ICP-OES machine, we have chosen an analyser of the highest in its class...
  • HI98319 Salinity & Temperature Tester - Hanna

    HI98319 Salinity & Temperature Tester - Hanna

    Hanna Instruments

    $79.99
    We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...
  • HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments

    HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments

    Hanna Instruments

    $38.00
    The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,...
  • Reef Energy AB+ Plus Coral Nutrition (500 ml) - Red Sea

    Reef Energy AB+ Plus Coral Nutrition (500 ml) - Red Sea

    Red Sea

    $27.99
    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...
  • HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments

    HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments

    Hanna Instruments

    $64.95
    The Hanna Marine Alkalinity (dKH) 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...
  • On Sale 15%
    (NEW) Magnesium (MG) Test Kit - Salifert
    On Sale 15%

    (NEW) Magnesium (MG) Test Kit - Salifert

    Salifert

    $19.61
    $16.67
    This is the new Liquid Only test.  There are now two liquids, no powder. Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without...
  • Blue Large Bucket Red Sea Salt 175 Gallon (Not Coral Pro) - Red Sea

    Blue Large Bucket Red Sea Salt 175 Gallon (Not Coral Pro) - Red Sea

    Red Sea

    $84.99
    Now Available in an Easier to Ship Box - No More Broken Buckets with Salt Everywhere - https://www.saltwateraquarium.com/red-sea-salt-mix-blue-box-makes-160-gallons-red-sea/ Red Sea Salt contains biologically balanced, elevated levels of...
  • On Sale 15%
    Nitrate (NO3) Test Kit - Salifert
    On Sale 15%

    Nitrate (NO3) Test Kit - Salifert

    Salifert

    $17.37
    $14.76
    A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood. Nitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should...
  • On Sale 15%
    TURBOSTART 900 Saltwater (4 oz) Live Nitrifying Bacteria - Fritz
    On Sale 15%

    TURBOSTART 900 Saltwater (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...
  • pH 7.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments

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

    Hanna Instruments

    $1.49
    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%
    Ammonia Alert - Seachem
    On Sale 15%

    Ammonia Alert - Seachem

    Seachem

    $8.10
    $6.89
    Ammonia Alert™ is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are...
  • HI774 Ultra Low Range Phosphate Checker (Saltwater) - Hanna Instruments

    HI774 Ultra Low Range Phosphate Checker (Saltwater) - Hanna Instruments

    Hanna Instruments

    $63.95
    Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per...
  • On Sale 15%
    Salinity Refractometer - Generic
    On Sale 15%

    Salinity Refractometer - Generic

    All Misc Brands

    $29.95
    $25.46
    It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand)...
  • Triton ICP-OES Water Test w/Prepaid Shipping Label - Triton Labs

    Triton ICP-OES Water Test w/Prepaid Shipping Label - Triton Labs

    Triton

    $49.00
    Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...
  • HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments

    HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments

    Hanna Instruments

    $63.95
    Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in...
  • Red Sea Salt Blue Sack (55 lbs Makes 200 Gallons) - Red Sea

    Red Sea Salt Blue Sack (55 lbs Makes 200 Gallons) - Red Sea

    Red Sea

    $84.99
    This is NOT Coral Pro - This is the basic Red Sea Salt in a 200 Gallon Sack. Red Sea Salt contains moderately elevated and balanced levels of the foundation elements (Calcium, Magnesium, Bicarbonates) necessary for sustainable coral growth...
  • Hanna HI758 Marine Calcium Checker HC (Saltwater) - Hanna Instruments

    Hanna HI758 Marine Calcium Checker HC (Saltwater) - Hanna Instruments

    Hanna Instruments

    $63.95
    Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The HI758...
  • On Sale 15%
    (NEW) Calcium (Ca) Ultra Test Kit - Salifert
    On Sale 15%

    (NEW) Calcium (Ca) Ultra Test Kit - Salifert

    Salifert

    $18.81
    $15.99
    Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft/leather corals. Calcium also fulfills many biological functions.Quite often a too low calcium concentration retards coral and calcareous...
  • On Sale 15%
    Carbonate Hardness & Alkalinity (KH/ ALK) Test Kit - Salifert
    On Sale 15%

    Carbonate Hardness & Alkalinity (KH/ ALK) Test Kit - Salifert

    Salifert

    $16.46
    $13.99
    Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as well. A few other constituents are carbonate and bicarbonate. These two substances also have a major impact on the...