Chemistry

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HI755-26 HI772-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

$9.00

This reagent works with both the 755 & 772 Hanna checker.  It may come with the tag 755-26 or 772-26, both reagents work with both checkers. Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample,...

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Fritz Aquatics

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

$63.99

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...

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Hanna Instruments

HI713-25 Phosphate Low Range Checker Reagent (25 Tests) - Hanna Instruments

$9.00

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 Hanna...

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Hanna Instruments

HI736-25 Phosphorus Ultra Low Range Marine Reagent (25 Tests) - Hanna Instruments

$9.00

The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker HC. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for...

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Red Sea

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

$74.99

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...

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Hanna Instruments

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

$9.00

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...

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Neptune Systems

Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS) - Neptune Systems

$6.85

Neptune Systems single-use pH calibration packets make calibrating your probes simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  This kit contains One each of PH 7, PH 10,...

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Hanna Instruments

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

$22.99

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Fritz Aquatics

FritzPRO R.P.M. Redline HIGH ALK Salt Mix RED Box (55 lbs) - Fritz Aquatics

$63.99

Same great benefits from RPM's original formula, PLUS Higher alkalinity for increased SPS growth in higher nutrient systems! Complete Professional Marine Salt Mix for Reef or Fish Only Systems Contains All Essential Major, Minor & Trace...

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Neptune Systems

Apex Conductivity/Salinity Calibration Solution 53000 uS - Neptune Systems

$2.95

Use this calibration solution to calibrate your Conductivity Probe and PM2 for salinity monitoring.

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Red Sea

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

$35.99

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Hanna Instruments

HI702-25 Copper High Range Checker® Reagents (25 Tests) - Hanna Instruments

$10.00

The HI702-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Copper High Range Checker® HC. These reagents follow the Bicinchoninate Method in which the reaction between...

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Out of Stock

Hanna Instruments

HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments

$29.95

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,...

Out of stock

Hanna Instruments

HI98319 Salinity & Temperature Tester - Hanna

$69.00

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...

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Hanna Instruments

HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments

$49.95

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...

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Salifert

Nitrate (NO3) Test Kit - Salifert

$17.37

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...

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ESV

B-Ionic Calcium Buffer System (2 Gallon) Concentrated Refill - ESV

$38.99

Bionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders, disruption of ionic...

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Salifert

Magnesium (MG) Test Kit - Salifert

$19.61

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 photosynthesis plants, including algae and the corals, which we usually have in...

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Red Sea

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

$21.99

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...

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Fritz Aquatics

FritzPRO R.P.M. 4 Bag Salt Mix Box (4x Individual 13.75 lb Bags - Makes 200 Gallons) - Fritz Aquatics

$67.95

Box contains 4x 13.75 lb Individually Sealed Bags. 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...

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Hanna Instruments

HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments

$37.46 $49.95

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...

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Underwater Creations

Reef Vibrant Liquid Aquarium Cleaner (16 oz) - Underwater Creations

$37.99

For years people have always asked us how we keep our aquariums so nice and clean. The answer was a simple response, we use our own homemade liquid aquarium cleaner. The next question would always be, do you sell it? The answer from us was...

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Red Sea

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

$33.99

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Hanna Instruments

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

$49.95

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Hanna Instruments

HI782 Marine Nitrate High Range Checker - Hanna Instruments

$49.95

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...

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ATI

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

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$Salinity Refractometer w/ Calibration Fluid - Generic$

All Misc Brands

Salinity Refractometer w/ Calibration Fluid - Generic

$29.95

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)...

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Tropic Marin

Pro Reef Salt Bucket (200 Gallon) - Tropic Marin

$110.87

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...

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Triton

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

$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,...

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Hanna Instruments

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

$49.95

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...

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Red Sea

Reef Foundation Pro Multi Test Kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity - Red Sea

$59.99

Red Sea’s Reef Foundation Pro Test Kit includes high accuracy titration tests for the accurate measurement of the elements calcium, magnesium and alkalinity (KH) which are the basic foundation elements of coral skeletons. All of these...

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Salifert

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

$16.46

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...

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Hanna Instruments

Electrode Cleaning Solution (230 ml) HI7061M - Hanna Instruments

$12.00

HI7061M 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...

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Fritz Aquatics

TURBOSTART 900 Saltwater (4 oz) up to 100 Gallon Tanks - Fritz

$21.24

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...

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Salifert

Calcium (Ca) Ultra Test Kit - Salifert

$18.81

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...

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Red Sea

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

$83.99

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Hanna Instruments

pH 7.01 Calibration Buffer 20 ml (Single Pack) - 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...

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Hanna Instruments

Electrode Storage Solution for pH/ORP (230 ml) HI70300M - Hanna Instruments

$12.00

HI70300M is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH...

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ICP Analysis

ICP Water Analysis Single Test - 33 Elements - ICP-Analysis

$29.95

ICP Test results are emailed directly to you 24 hours after the water sample is received!  Speed. ICP Test for the Following 33 Elements: Aluminum, Arsenic, Barium, Beryllium, Boron, Cadmium, Calcium, Cesium, Chlorine, Chromium, Cobalt,...

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Red Sea

MCP Test Kit Marine Master Care - Red Sea

$59.99

Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of...

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Hanna Instruments

Hanna HI713 Phosphate Low Range Checker HC (Saltwater) - Hanna Instruments

$49.95

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Hanna Instruments

Waterproof Pocket pH Tester with 0.1 Resolution - pHep® (HI98107) - Hanna Instruments

$39.95

The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device...

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Out of Stock

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

$15.00

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...

Out of stock

Hanna Instruments

Hanna HI736 Phosphorus Ultra Low Range Checker HC (Saltwater) - Hanna Instruments

$49.95

The HI736 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure phosphorus in marine systems including reef tanks. Phosphorus is an important parameter to measure in aquaculture and aquariums; levels that...

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Hanna Instruments

Glass Cuvettes and Caps for Checker® HC Colorimeters - set of 2 (HI731315) - Hanna Instruments

$8.00

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for...

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Red Sea

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

$71.99

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...

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Seachem

Ammonia Alert - Seachem

$7.35 $8.75

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...

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American Marine

Pinpoint ORP (Redox) Calibration Fluid - American Marine

$4.95

Another American Marine first. ORP/REDOX calibration fluid. With a precise measurement of 400mV this calibration fluid is included with every PINPOINT® ORP Monitor and PINPOINT® ORP Controller. Occasional retesting with this fluid will keep your...

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Brightwell Aquatics

MicroBacter 7 Complete Bioculture for Marine & Freshwater (500ML - 16 oz) - Brightwell

$16.99

Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural enzymes, specifically formulated to establish biological...

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Hanna Instruments

PH Calibration Buffer (Combo Pack) 4.0, 7.0, 10.0 - Hanna Instruments

$5.75

HI70004P/H17007P/HI0010P are premium quality pH 4.01/7.01/10.01 calibration buffer solutions. 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...

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Hanna Instruments

Electrode Storage Solution for pH/ORP (500 mL) HI70300L - Hanna Instruments

$17.50

HI70300L is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH...

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American Marine

PINPOINT pH Probe - American Marine

$37.99

The PINPOINT® pH Electrode equals and exceeds lab quality by both specif cation and design.  The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture...

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Hanna Instruments

Hanna Master Reef Test Kit (755 Alk, 758 Calcium, 713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments

$199.80

755 Checker   The HI755 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity via PPM. Crucial in marine environments, alkalinity provides both the carbonate ion required for calcium...

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Hanna Instruments

Checker Plus pH Tester (HI98100) Plus - Hanna Instruments

$41.00

The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has...

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Seachem

Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (2 L) SeaChem

$39.99

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...

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Hanna Instruments

Hanna Master Reef Test Kit (772 dkh, 758 Calcium, 713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments

$199.80

772 Checker The HI772 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only...

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American Marine

PINPOINT pH 7.0 Calibration Fluid (5 Pack)

$5.95

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...

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Hanna Instruments

Hanna HI755 Marine Alkalinity Checker HC Alk (Saltwater) - Hanna Instruments

$49.95

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Hanna Instruments

Hanna HI702 High Range Copper Checker (Saltwater) - Hanna Instruments

$49.95

The HI702 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure copper in your saltwater aquarium. Designed as a more accurate alternative to chemical test kits, the HI702 provides quick, accurate results in a...

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Hanna Instruments

HI701-25 Free Chlorine Checker Reagent (25 Tests) - Hanna Instruments

$9.00

Get your replacement reagents for your HI701 Free Chlorine Checker® HC today. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for...

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Aquaforest

Component 1+, 2+, 3+ Package (3 x 5L Bottles) - Aquaforest

$59.99

Chemical composition of Component 1+2+3+ is based on the method developed by H. Balling. The formula has been fine tuned in our lab and enriched with trace elements that are fundamental for maintaining marine aquarium organisms in good form. As a result...

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Red Sea

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

$42.99

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...

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American Marine

PINPOINT ORP Monitor - American Marine

$114.99

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...

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Salifert

Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert

$45.99

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Fritz Aquatics

TURBOSTART 900 Saltwater (1 oz) up to 25 Gallon Tanks - Fritz

$13.00

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Hanna Instruments

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

$1.49

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...

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JW Pet

Smart Temp Magnetic Thermometer - JW Pet

$5.95

JW Pet Company Smart temp Thermometer Aquarium Accessory Large : JW Fusion Smart Temp Thermometer features a unique magnetic system that securely holds the thermometer in place inside of the aquarium with a magnet on the outside of the glass. It ranges...

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Red Sea

Reef Energy AB+ Plus Coral Nutrition (250 ml) - Red Sea

$15.99

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Salifert

Phosphate (PO4) Test Kit - Salifert

$19.61

Phosphate also blocks or retards the growth of corals and calcareous algae. One of the scientific studies shows that a phosphate concentration higher than 0.05 mg/L decreases the growth of calcareous algae by 90%! Washing fish food, which is a rich...

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Hanna Instruments

35 ppt Salinity Calibration Solution Packs HI70024P (25 x 20 mL) - Hanna Instruments

$25.50

HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring...

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Hanna Instruments

Electrode Cleaning Solution (500 ml) HI7061L - Hanna Instruments

$16.00

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...

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$Digital Seawater Refractometer MA887 - Milwaukee$

Milwaukee Instruments

Digital Seawater Refractometer MA887 - Milwaukee

$114.00

This refractometer does not come with a case or battery. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each...

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Two Little Fishies

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

$15.99

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,...

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Fritz Aquatics

FritzPRO R.P.M. Salt Mix Bucket (48 lbs - Makes 180 Gallons) - Fritz Aquatics

$69.95

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Fritz Aquatics

FritzPRO R.P.M. Salt Mix Bag (14 lbs - Makes 53 Gallons) - Fritz Aquatics

$29.99

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Red Sea

Trace Colors ABCD 4-Pack Supplements (4 @ 100ml) - Red Sea

$21.99

Red Sea's Coral Colors ABCD Provides the 31 minor and trace elements required by corals: A – Halogens (I2, Br2, F2) B – Potassium & Boron C – Fe & 7 Complementary Metals D – 18 Bioactive Trace Elements Coral...

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Red Sea

Reef Foundation B - ALK (1000 ml) Liquid - Red Sea

$22.99

The foundation elementsA successful