Water Testing

Red Sea’s Calcium Pro Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm. This test kit enables the accurate dosing of Red Sea’s Reef Foundation...

Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm.The Magnesium Pro Test test kit enables the accurate dosing of Red Sea’s Reef...

Maximum accuracy is high on the agenda here at Hanna. Browse our Conductivity Calibration Solutions specifically produced for Conductivity meters and electrodes. Hanna conductivity electrodes can be calibrated in just a few minutes, wherever you are...

Trust your aquarium to Salifert.This test will accurately measure the form of iodine found in seawater, iodate.  Salifert's wide range of available tests have all been designed to detect the smallest traces of certain elements, without interference...

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...

The Marine Nitrate High Range Checker® HC Calibration Check Set - HI782-11 provides a simple solution to validating the Marine Nitrate High Range Checker® HC - HI782. This high-quality set of standards is manufactured in our...

The Marine Calcium Checker® HC Calibration Check Set - HI758-11  provides a simple solution to validating the Marine Calcium Checker® HC - HI758 that has a range of 200 to 600 ppm calcium. This high-quality set of standards is...

Reagent refill for Red Sea Nitrate Pro Test Kit. Enough reagent for 100 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.  

PhosGuard is spherical. Its shape allows for maximum water flow through the media. Granular phosphate removers can become compacted, dramatically limiting their capacity to remove phosphate. If the media can’t come into contact with the water, it...

Refractometer & Hydrometer Calibration Standard 1.0264 Specific Gravity 1.3394 Refractive Index 35 ppt Salinity 53 uS/cm at 25 deg c Overview Brightwell Aquatics Aquarium Reagents Refractometer & Hydrometer Calibration Standard is...

It’s all in the balance This combined test kit provides either 100 nitrite or 50 Nitrate and 50 Nitrite advanced colorimetric tests for marine aquariums. This kit is essential during the maturation of all marine and reef...

PINPOINT® Wireless Thermometer will measure the temperature at the waterproof probe tip on the remote sensor(s), utilizing a radio wave signal, and will display the temperature in Fº or Cº degrees. PINPOINT® Wireless...

PhosBond™ is a revolutionary new product that combines the phosphate removing capabilities of both aluminum oxide and granular ferric oxide into a singular material forming a synergistic effect. It rapidly removes phosphates and silicates from...

HI70004P is a premium quality pH 4.01 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...

Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will...

MAGNESIUM 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...

The Hanna Free Chlorine 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. Professional...

Do you think it’s important to maintain salinity precisely? We’re with you. That’s why we created AccuraSea Seawater Reference Solution, the only calibration solution of its kind made from real seawater. It’s pure natural sea...

HI740228 is a filter disc; part of accessory kit for preparation of samples to be analyzed with the HI781 Hanna Nitrate Checker photometers.

This is a 13 element sample test so you can check it out.  The full version has 50+ elements. The full version test is the first Mass Spec test offered to the aquarium industry.  It will test over 50 elements down to ppt, parts per trillion...

Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of phosphate in your reef aquarium to an exceptionally high accuracy of 0.02ppm PO4. Phosphate Pro Test Kit, when used in conjunction with...

The Marine Alkalinity Checker® HC Calibration Check Set - HI755-11 provides a simple solution to validating the Marine Alkalinity Checker® HC - HI755 that has a range of 0 to 300 ppm CaCO3. This high-quality set of standards is...

10 ml Syringe with Luer Lock used in Hanna HI781 Nitrate Checker

The HI781-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their HI781 Marine Nitrate Low Range Colorimeter. These reagents follow a colorimetric method in which the reaction between...

Phosphate Test Kit Accurate measurement of Phosphate in marine aquariums PO4 Red Sea’s colorimetric Phosphate test kit provides a quick and reliable measurement of Phosphate in your aquarium to an accuracy of 0.1ppm PO4. This test kit, in...

The HI731339P is a volumetric pipette designed to measure and transfer exactly 100 µL of solution to a cuvette. To obtain the highest accuracy and precision from the HI758 marine calcium Checker it is necessary to add exactly 100 µL of...

Salifert Oxygen Profi-Test Corals and marine fish require very high levels of oxygen concentration because of the low solubility of oxygen in salt water so it is very important to regularly test the level of oxygen present. The Salifert Oxygen Profi-Test...

The Hanna Iron 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. Professional...

Almost all, if not all, of the refractometers currently available to the aquarium hobby are designed for measuring saltwater (sodium chloride or brine solution) and not true ‘seawater’. Although seawater is mostly sodium chloride it also...

High Range pH Test Kit The API® High Range pH Test Kit measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API® High Range pH Test Kit reads the pH of water within the high range of 7.4...

Liquid Test Kits - This kit tests tap water and aquarium water for five different parameters that affect the health of freshwater fish: pH, High Range pH, Ammonia, Nitrite and Nitrate.  Highly accuate and economical.  Unique, transparent dome...

Generic Digital Thermometer with Probe, displays in both F and C.

Reef Buffer™ will also raise carbonate alkalinity; however, it is intended primarily for use as a buffer in a reef system where the maintenance of a pH of 8.3 is often difficult. When pH is not an issue, Reef Builder™ or Reef Carbonate™...

Technical SpecificationsMfr #: HI70031PItem: Calibration Solution    Container: 20mLType: Electric ConductivityRange: 1413 uS/cm    Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per...

The pH-value or acid value indicates how acidic or alkaline water is. It is a measure of the concentration of the acidic or alkaline components in a hydrous solution. Pure water will react neutral and has a pH-value of 7. If the acidic components are...

The Phosphorus Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker® HC - HI736 that has a range of 0 to 200 ppb as phosphorus. This high-quality set of standards is...

Technical SpecificationsMfr #: HI70031PItem: Calibration Solution    Container: 20mLType: Electric ConductivityRange: 1413 uS/cm    Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per...

PhosBond™ is a revolutionary new product that combines the phosphate removing capabilities of both aluminum oxide and granular ferric oxide into a singular material forming a synergistic effect. It rapidly removes phosphates and silicates from...

Copper Test Kit Copper – a treatment for many parasitic infections – must be monitored in an aquarium or a pond. The copper level can drop too low for the treatment to be effective, or can increase to a point that is detrimental to fish...

The HI717-25 are the replacement reagents for the HI717 Phosphate High 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...