Water Testing

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...

Accurate in both Fresh and Saltwater Must-Have for Every Aquarist Essential During New Tank Setup About Fritz Liquid Test Kits - Ammonia Ammonia is one of the most important par

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...

East to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Phosphate Excess nutrients can lead to poor water qual

pH Alert Product Description pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to...

Keep your marine or reef aquarium pristine with this complete testing and reagent kit from Hanna Instruments. Designed for accuracy and ease, it combines ultra‑low‑range phosphate and high‑range...

The HI98308 Pure Water tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The HI98308 Pure Water tester features graphite electrodes to reduce polarization...

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...

Professional ICP seawater laboratory analysis.  The chemical elements of the seawater sample are analyzed using ICP-OES. In addition, other measurement methods are used to analyze other important...

Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another...

East to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Alkalinity Carbonate hardness, or alkalinity (KH), is

772 CheckerThe 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...

This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will keep the tip properly moist and extend the life of your probe during storage (60...

East to Read Instructions Essential for a Healthy Tank Accurate in Freshwater About Fritz Liquid Test Kits - GH General hardness (GH) is commonly overlooked in many aquariums, b

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...

The Copper High Range Checker® HC Calibration Check Set - HI702-11 provides a simple solution to validating the Copper High Range Checker® HC - HI702. This high-quality set of standards is...

The external aquarium thermometer adopts an advanced smart microchip and an aluminum alloy sensor, which can accurately measure the temperature of different types of water such as freshwater and...

3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the...

Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH, EC or TDS values. Measuring electrical conductivity is the best way of checking the amount of...

Trident NP Nitrate & Phosphate Tester w/ 2 Month Reagent Kit Due to the nature of the chemicals used in the reagents, all orders that include Trident NP reagents must ship ground only.   These NP...

Professional ICP seawater laboratory analysis - ICP-OES is used to analyze over 35 chemical elements in the seawater sample.After the measurement, the user can call up the detailed analysis report on...

Accurate in both Fresh and Saltwater Easy to Read Instructions Essential to Monitoring Proper Ionic Balance About Fritz Liquid Test Kits - Calcium Calcium (Ca2+) is vital to man

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...

Unique test, measuring the level of total iodine in your UNLS aquarium, with high accuracy of 0.01 ppm. Red Sea’s Iodine Pro Reef Test Kit is a unique test, measuring the level of total iodine in...

Uncompromising Salinity Accuracy for Sensitive Reef Systems Maintaining a precise salinity level is critical for coral health, invertebrate survival, and overall reef stability. While swing-arm...

Take the Guesswork Out of Your Reef Tank Maintenance with the Hanna Instruments Reef Professional Kit Achieve the stable and pristine water parameters your corals need to thrive with the Hanna...

Easy to Read Instructions Essential for New Tank Cycling Works in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrite Nitrite is produced continually during the ammo

IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.0 to 16.0 pH and simultaneously shows...

Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another...

The HI707-25 are the replacement reagents for the HI707 Nitrite Low Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the...

Accurate in both Fresh and Saltwater Essential when Medicating with Copper-based Treatments Measures Free and Total Copper About Fritz Liquid Test Kits - Copper Copper is common

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

The external aquarium thermometer adopts an advanced smart microchip and an aluminum alloy sensor, which can accurately measure the temperature of different types of water such as freshwater and...

Red Sea’s KH/Alkalinity Pro Test Kit is an advanced titration test, measuring the level of buffers in your reef aquarium to an exceptionally high accuracy of 0.05 meq/l (0.14 dKH).Red Sea’s...

The ELOS Copper Test Kit combines ease-of-use, with laboratory-grade precision. It can be used to detect copper or to measure residual copper levels before and after using copper cures in fish-only...

The test set Tropic Marin® Compact Lab includes all the important tests for prompt and precise determination of water values. The pH value, alkalinity, phosphate level, nitrite and nitrate content as...

CARBONATE HARDNESS 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...

Testing saltwater aquarium water in minutes, the API AQUASPIN Saltwater Disk is used in the AQUASPIN photometer and is ideal for testing saltwater or reef aquarium parameters. The sealed disk is a...

Effortless Water Testing The IceCap Magnetic Aquarium Test Kit Mixer is a simple solution for efficiently mixing water test reagents. This gadget saves time and effort by quickly and effortlessly...

EHEIM pHcontrol+e – the smart controller for monitoring and readjusting the pH value in your aquariumWith the EHEIM pHcontrol+e you can easily monitor and optimize the pH in your aquarium via a...