-
Magnesium (Mg) Test Kit - Elos
ELOS$25.99Mg Magnesium Water Analysis for AquariumMagnesium is a major salt in natural seawater. Contrary to its significance this element was ignored for a long time. We know today that Magnesium creates a remarkable improvement in the growth of calcareous algae... -
HI713-11 Phosphate Low Range Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$14.00The 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). This high-quality set of standards is... -
Reef Carbonate (500 mL) - Seachem
Seachem$7.59Reef 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 essential to all coral growth. If either becomes... -
MultiTest Copper (75 tests) Marine & Freshwater - Seachem
Seachem$16.31This 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 reference sample for validation. -
pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$29.00HI70004P 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... -
Calcium (Ca) Test Kit - Elos
ELOS$27.99Lab Quality Calcium (Ca) Water Analysis for the Marine Hobbyist Calcium is the primary building block for corals, calms, calcareous algae and many other marine organisms that we grow in our aquarium. Accuracy and consistency is crucial to guarantee that... -
Phosphate (PO4) Reefer Test Kit 50 Tests - NYOS Aquatics
NYOS$24.99PHOSPHATE 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... -
pH/Alkalinity Marine Test Kit - Red Sea
Red Sea$23.99Easily 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 reef tank. Each kit includes: 100 pH... -
pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$29.00HI70010P 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... -
HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments
Hanna Instruments$1.56ONE Single 20 mL pack HI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH/EC/TDS/Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring... -
HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95The Hanna Freshwater Alkalinity 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... -
(1-10 ml) Adjustable Volume Pipettor Highly Accurate Pipette
Generic$59.99Fully 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 more accurate volume setting and easier volume... -
Calcium Marine Test Kit - Red Sea
Red Sea$26.99Calcium Test Kit Accurate measurement of Calcium in marine aquariums Ca Red Sea’s user-friendly Calcium titration test provides a quick and reliable measurement of calcium in your aquarium to an accuracy of either 15ppm or 30ppm according to... -
Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics
NYOS$19.99CALCIUM 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 difficult due... -
Strontium (Sr) Test Kit - Salifert
Salifert$33.18Trust your aquarium to Salifert. This test kit will measure ionically free strontium and complex, important for the accelerated growth of corals. Salifert test kits are the epitome of accuracy and precision. The sharp, contrasting color... -
Nitrate (NO3) Test Kit - Elos
ELOS$25.99Biological 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.)... -
Marine Buffer (500 Gm) - Seachem
Seachem$12.75Raises 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... -
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,... -
5-IN-1 Test Strips (100 CT) pH, N03, N02, KH, GH - API
API$24.98API® 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 into the aquarium, and compare the colors... -
Neutral Regulator (250g) - Seachem
Seachem$8.00Neutral 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, or ammonia. The use of Neutral Regulator™... -
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 (1 L) - Seachem
Seachem$35.57PhosBond™ 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... -
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... -
MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee
Milwaukee Instruments$12.00pH/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 MA9015 storage solution in the protective cap. -
(HI783-11) Marine Magnesium Certified Calibration Standard Kit
Hanna Instruments$17.00The 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 one cuvette that is tinted to a standard magnesium... -
On Sale 37%
(DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95$39.99The Hanna Freshwater Alkalinity 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... -
Copper (Cu) Test Kit - Elos
ELOS$21.99The 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... -
ICP Mass Spec RODI Freshwater Aquarium Water Test (50+ Elements) - ICP Analysis
ICP Analysis$21.95This test is designed to measure freshwater, specifically your source water or RODI water so you know what is going into your tank before you make it salty. We will test over 50 elements down to ppt, parts per trillion. There is not any... -
HI775-26 Alkalinity Reagent (Freshwater) - Hanna Instruments
Hanna Instruments$22.00Reagents for Alkalinity Checker Specifications Package bottlesSize 30 mLQuantity 1 -
Phosphate (PO4) Test Kit - Elos
ELOS$22.99Phosphate Water Analysis for Fresh Water or Marine AquariumsPhosphate build up in the tank appears to be a fairly common problem in fresh water and in marine aquariums. They are present in most tap water supplies, they are also introduced to aquarium... -
Copper High Range Checker® HC Calibration Check Set HI702-11 - Hanna Instruments
Hanna Instruments$22.00The 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... -
Nitrite (NO2) Test Kit - Elos
ELOS$21.99Biological 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.)... -
NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin
Tropic Marin$32.73Nitrate 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 first stage of the bacterial process. If the... -
HI70031P 1413 20 ml (10 Pack) - Hanna Instruments
Hanna Instruments$9.99Technical SpecificationsMfr #: HI70031PItem: Calibration Solution Container: 20mLType: Electric ConductivityRange: 1413 uS/cm Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per... -
pH600 pH Economical Pocket Tester - Milwaukee
Milwaukee Instruments$22.00Milwaukee'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... -
KH/Alkalinity Pro-High Accuracy Titration Test kit (75 tests) - Red Sea
Red Sea$41.99Red 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... -
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... -
Carbonate Hardness (Alk/KH) Reefer Test Kit 50 Tests - NYOS Aquatics
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... -
HI-7030M Conductivity Solution, (230 mL) bottle - Hanna Instruments
$11.99Maximum 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... -
pH55 Waterproof Pocket PH/Temp Tester - Milwaukee
Milwaukee Instruments$64.00IP65 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...