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AF Test Pro Pack Basics Calcium, Alkalinity, Magnesium (Ca, KH, Mg) - AquaForest
Aquaforest$49.99The 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 should be monitored regularly. In order to ensure the... -
Pinpoint pH Controller - American Marine
American Marine$199.95American 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 electrical device such as a calcium reactor or... -
Trident NP Waste Container - Neptune Systems
Neptune Systems$5.99Waste 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 handling them. This container is made from HDPE Class 2... -
Phosphate Liquid Test Kit (Up to 150 Tests) - Fritz Aquatics
Fritz Aquatics$14.99East 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 quality very quickly. If not controlled, phosphate (PO4) can... -
Marine Buffer (4 KG) - Seachem
Seachem$73.24Raises 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... -
Ammonia Liquid Test Kit (Up to 130 Tests) - Fritz Aquatics
Fritz Aquatics$14.99Accurate 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 parameters to monitor in aquariums because any amount can be... -
PH Alert (6 Month) - SeaChem
Seachem$8.10pH 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 in pH levels between 5.8 and 8.2. No tests, no strips,... -
On Sale 20%
On Sale 20%Nitrate (NO3) Test Kit - Elos
ELOS$25.99$20.79Biological 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 naturally occurring bacteria (Nitrobacter spp.)... -
Pure Water Tester (HI98308) - Hanna Instruments
Hanna Instruments$89.99The 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 effects and an exposed temperature probe for fast... -
Nitrate Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics
Fritz Aquatics$13.49Easy to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrate Nitrate is considered the non-toxic end product of the ammonia cycle. While not directly a problem for fish... -
pH or ORP/REDOX Probe Storage Solution - American Marine
American Marine$13.95This 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 mL). -
PhosBond (4 L) - Seachem
Seachem$121.33PhosBond™ 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... -
Alkalinity Liquid Test Kit (Up to 150 Tests) - Fritz Aquatics
Fritz Aquatics$11.24East 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 the measure of both carbonates and bicarbonates present in the... -
PhosBond (500 mL) - Seachem
Seachem$20.93PhosBond™ 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... -
MW802 Standard Portable pH/Conductivity/TDS Combination Meter - Milwaukee Instruments
Milwaukee Instruments$294.403 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 TDS up to 4000 ppm is ideal for testing in crop... -
Copper High Range Checker® HC Calibration Check Set HI702-11 - Hanna Instruments
Hanna Instruments$32.99The 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 manufactured in our state-of-the-art facility and... -
HI775-26 Alkalinity Reagent (Freshwater) - Hanna Instruments
Hanna Instruments$29.99Reagents for Alkalinity Checker Specifications Package bottlesSize 30 mLQuantity 1 -
pH600 pH Economical Pocket Tester - Milwaukee
Milwaukee Instruments$34.50Milwaukee'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 salt or dissolved solids (TDS) in water. Milwaukee... -
Marine Buffer (250 Gm) - Seachem
Seachem$7.47Raises 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... -
ICP Water Analysis PLUS - Tropic Marin
Tropic Marin$55.59Professional 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 parameters and nutrient concentrations. A sample... -
Iodine Pro (I2) Reef Test Kit - Red Sea
Red Sea$59.99Unique 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 your reef aquarium to a high accuracy of 0.01 ppm... -
On Sale 20%
On Sale 20%Nitrite (NO2) Test Kit - Elos
ELOS$21.99$17.59Biological 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 naturally occurring bacteria (Nitrobacter spp.)... -
pH55 Waterproof Pocket PH/Temperature Tester - Milwaukee
Milwaukee Instruments$77.90IP65 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 temperature from -5.0 to 105.0°C or 23.0 to... -
Calcium Liquid Test Kit - Fritz Aquatics
Fritz Aquatics$12.74Accurate 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 many biological functions. In saltwater aquariums, calcium should... -
HI70031P 1413 20 ml (10 Pack) - Hanna Instruments
Hanna Instruments$15.99Technical SpecificationsMfr #: HI70031PItem: Calibration Solution Container: 20mLType: Electric ConductivityRange: 1413 uS/cm Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per... -
KH/Alkalinity Pro-High Accuracy Titration Test kit (75 tests) - Red Sea
Red Sea$44.99Red 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 Alkalinity Pro test kit enables the accurate dosing... -
On Sale 20%
On Sale 20%Copper (Cu) Test Kit - Elos
ELOS$21.99$17.59The 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 aquariums. Also, great for testing tap or source water... -
GH Liquid Test Kit - Fritz Aquatics
Fritz Aquatics$11.24East 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, but this parameter plays a very important role in your... -
Copper Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics
Fritz Aquatics$11.99Accurate 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 commonly used in aquariums to treat external parasitic infections,... -
Hanna Algae & Nutrient Management Kit w/Reagents - 774 ULR Phosphate, 782 HR Nitrate - Hanna Instruments
Hanna Instruments$169.99Keep 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 nitrate handheld photometers with enough reagents to keep... -
Hygger Transparency Digital Aquarium Thermometer - HG073-L - Hygger
Hygger$15.99The 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 saltwater. It is suitable for monitoring the living... -
Carbonate Hardness (Alk/KH) Reefer Test Kit 50 Tests - NYOS
NYOS$14.99CARBONATE 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. However, monitoring relevant parameters in seawater... -
Trident NP Automatic Nitrate & Phosphate Water Tester w/2 Month Reagents Bundle - Neptune Systems
Neptune Systems$729.98Trident 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 Reagents CANNOT ship outside the... -
Nitrite Liquid Test Kit (Up to 180 Tests) - Fritz Aquatics
Fritz Aquatics$11.99Easy 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 ammonia cycle by nitrifying bacteria in the biological filter... -
Marine Coral Care Kit w/Reagents (772 Alk, 758 Cal, 783 Mag) - Hanna Instruments
Hanna Instruments$194.99772 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 to marine environments, alkalinity not only provides... -
Compact Lab - Essentials Test Kit (5 Parameters) - Tropic Marin
Tropic Marin$69.99The 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 well as the ammonia concentration of the... -
Hygger Transparency Digital Aquarium Thermometer - HG073-S - Hygger
Hygger$14.99The 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 saltwater. It is suitable for monitoring the living... -
HI9810422 HALO2 Wireless pH Tester - Hanna Instruments
Hanna Instruments$164.99Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field. Open-source Bluetooth allows easy integration into current data logging systems IP65 water resistant... -
ICP Water Analysis - Tropic Marin
Tropic Marin$35.18Professional 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 the website lab.tropic-marin... -
pH Electrode Storage Solution - HM Digital
HM Digital$9.99PH storage solution for HM Digital’s PH-200 / PH-80 as well as other brands of pH meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be...