Water Testing

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...

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...

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

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...

Reef Carbonate™ is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are...

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...

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...

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...

Technical SpecificationsMfr #: HI70031PItem: Calibration Solution    Container: 20mLType: Electric ConductivityRange: 1413 uS/cm    Container: 20mL

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...

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...

Seachem Reef Buffer – Professional pH & Alkalinity Stabilizer Maintain a Perfect 8.3 pH in Demanding Reef Environments In a thriving reef aquarium, organic acids produce

This kit measures copper (all types) to less than 0.01 mg/L in marine or freshwater. Uses a highly sensitive catalysis based procedure. MultiTest® Copper performs over 75 tests and contains a...

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...

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...

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...

The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L)...

Why Guard when you can Monitor! The Milwaukee MC811 MAX pH/EC/Temp Monitor lets you monitor your pH/EC/Temp levels 24/7 automatically. RANGE: 0.0 - 12.0 pH | 0.00 to 5.00 mS/cm | 14.0&

Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that...

Standard portable meters with no frills! Milwaukee’s low cost durable meters for quick and reliable measurements. Milwaukee’s Standard meters are manufactured to be easy to use, practical and...

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...

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...

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,...

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...

API® 5-in-1 Aquarium Test Strips are the quick and easy way to test the 5 most important water parameters – pH, KH, GH, nitrate, and nitrite – in one easy step. Simply dip one test strip directly...

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...

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...

pH/ORP electrode storage solution. To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode moist. Store the electrode with a few drops of...

The Milwaukee MW101 PRO pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness and accuracy. The MW101 delivers fast results to ±0.02 pH...

The DiST® 4 features a large multi-level LCD which displays both conductivity and temperature readings simultaneously. The EC readings are displayed with a 0.01 mS/cm resolution and with an accuracy...

Waste Container for Trident NP Nitrate and Phosphate Tester Like many aquarium additives and cleaning solutions found in your home, the Trident NP reagents and waste require some precautions when...

Technical SpecificationsMfr #: HI70031PItem: Calibration Solution    Container: 20mLType: Electric ConductivityRange: 1413 uS/cm    Container: 20mL

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...

The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless...

The HI783-11 Marine Magnesium Certified Standard Kit is used to validate the performance of the HI783 Marine Magnesium Checker HC. The kit includes one sealed cuvette with a zero-magnesium value and...

Neutral Regulator™ adjusts pH to neutral (pH 7.0) from either a low or high pH and maintains it there. It softens water by precipitating calcium and magnesium while removing any chlorine, chloramine,...

The Aquaforest TestPro Pack includes drop tests to check levels of Ca, KH, and Mg in saltwater aquariums. Calcium, Alkalinity, and Magnesium are the most crucial parameters in a reef aquarium and...

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...

American Marines PINPOINT pH Controller. PINPOINT pH Controller is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another...

Nitrate ions (NO3–) are formed from ammonium (NH4+) as the end product of the nitrification process. Nitrite (NO2–), which is highly toxic to freshwater species in particular, is produced in the...