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HI755-26 HI772-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$17.99This reagent works with both the 755 & 772 Hanna checker. It may come with the tag 755-26 or 772-26, both reagents work with both checkers. Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample,... -
HI782-25 Nitrate High Range Reagents (25 tests) - Hanna Instruments
Hanna Instruments$24.99HI782-25 (25 tests) The HI782-25 are the replacement reagents for the HI782 Nitrate High Range Checker. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration... -
HI713-25 Phosphate Low Range Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$17.99Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The Hanna... -
HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments
Hanna Instruments$17.99Reagents for the HI774. Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates... -
HI736-25 Phosphorus Ultra Low Range Marine Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$17.99The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low 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 for... -
HI758-26 Marine Calcium Checker Reagents (25 Tests) - Hanna Instruments
Hanna Instruments$29.99Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The HI758... -
Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS) - Neptune Systems
Neptune Systems$5.95Neptune Systems single-use pH calibration packets make calibrating your probes simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure. This kit contains One each of PH 7, PH 10,... -
Apex Conductivity/Salinity Calibration Solution 53000 uS - Neptune Systems
Neptune Systems$2.95Use this calibration solution to calibrate your Conductivity Probe and PM2 for salinity monitoring. -
HI782 Marine Nitrate High Range Checker - Hanna Instruments
Hanna Instruments$67.99The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors... -
ATI ICP-OES Complete Water Test Kit (w/ Prepaid Shipping Label) - ATI
ATI$44.95This is the only ICP Test Kit currently on the market that includes the prepaid return shipping label to send the samples in. Just pop it in the mail box. With the ARCOS II ICP-OES machine, we have chosen an analyser of the highest in its class... -
HI702-25 Copper High Range Checker® Reagents (25 Tests) - Hanna Instruments
Hanna Instruments$17.99The HI702-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Copper High Range Checker® HC. These reagents follow the Bicinchoninate Method in which the reaction between... -
HI98319 Salinity & Temperature Tester - Hanna
Hanna Instruments$89.99We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and... -
HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments
Hanna Instruments$67.99The Hanna Marine Alkalinity (dKH) 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... -
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(NEW) Magnesium (MG) Test Kit - Salifert
Salifert$19.61$16.67This is the new Liquid Only test. There are now two liquids, no powder. Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without... -
pH 7.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments
Hanna Instruments$1.99HI70007P 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... -
HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments
Hanna Instruments$44.99The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,... -
HI774 Ultra Low Range Phosphate Checker (Saltwater) - Hanna Instruments
Hanna Instruments$67.99Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per... -
ICP Water Testing Analysis (1 Test) (w/ Prepaid Shipping Label) - Reef Labs
Reef Labs$39.95Testing is Performed in Bradenton FLORIDA USA! Kit includes a prepaid USPS Label. Looking for an accurate, comprehensive, fast, and easy way to test your aquarium? Then look no further! Reef Lab's ICP Water Analysis utilizes laboratory grade ICP... -
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Ammonia Alert - Seachem
Seachem$8.10$6.89Ammonia Alert™ is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are... -
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Nitrate (NO3) Test Kit - Salifert
Salifert$17.37$14.76A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood. Nitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should... -
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(NEW) Calcium (Ca) Ultra Test Kit - Salifert
Salifert$18.81$15.99Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft/leather corals. Calcium also fulfills many biological functions.Quite often a too low calcium concentration retards coral and calcareous... -
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PINPOINT pH Probe Lab Grade Double Junction - American Marine
American Marine$39.99$33.99The PINPOINT® pH Electrode equals and exceeds lab quality by both specifcation and design. The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture... -
HI758 Marine Calcium Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$67.99Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The HI758... -
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Carbonate Hardness & Alkalinity (KH/ ALK) Test Kit - Salifert
Salifert$16.46$13.99Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as well. A few other constituents are carbonate and bicarbonate. These two substances also have a major impact on the... -
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Salinity Refractometer - Generic
All Misc Brands$29.95$25.46It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand)... -
Triton ICP-OES Water Test w/Prepaid Shipping Label - Triton Labs
Triton$49.00Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,... -
Glass Cuvettes and Caps for Checker® HC Colorimeters - set of 2 (HI731315) - Hanna Instruments
Hanna Instruments$14.99The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for... -
HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments
Hanna Instruments$67.99Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in... -
HI783 Marine Magnesium Checker HC Handheld Colorimeter - Hanna Instruments
Hanna Instruments$67.99THESE ARE THE NEWLY UPDATED REAGENTS. Now 1x powder and 1x liquid. The testing process is the same as Alkalinity HI772 with one second liquid reagent. The HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer-... -
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Pinpoint ORP (Redox) Calibration Fluid - American Marine
American Marine$4.95$4.21Another American Marine first. ORP/REDOX calibration fluid. With a precise measurement of 400mV this calibration fluid is included with every PINPOINT® ORP Monitor and PINPOINT® ORP Controller. Occasional retesting with this fluid will keep your... -
HI701-25 Free Chlorine Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$17.99Get your replacement reagents for your HI701 Free Chlorine Checker® HC today. 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 for... -
pH 10.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments
Hanna Instruments$1.99HI70010P 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... -
PH Calibration Buffer (Combo Pack) 4.0, 7.0, 10.0 - Hanna Instruments
Hanna Instruments$5.97HI70004P/H17007P/HI0010P are premium quality pH 4.01/7.01/10.01 calibration buffer solutions. 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... -
HI713 Phosphate Low Range Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$67.99Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 6x tests. The Hanna... -
Reef Foundation Pro Multi Test Kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity - Red Sea
Red Sea$74.99Foundation Pro Multi test kit High accuracy titration tests for the accurate measurement of theFoundation elements Calcium, Magnesium and Alkalinity (KH) It’s all in the balance Red Sea’s FOUNDATION PRO Multi Test Kit includes high... -
Waterproof Pocket pH Tester with 0.1 Resolution - pHep® (HI98107) - Hanna Instruments
Hanna Instruments$59.99The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device... -
35 ppt Salinity Calibration Solution Packs HI70024P (25 x 20 mL) - Hanna Instruments
Hanna Instruments$32.99HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring... -
MCP Test Kit Marine Master Care - Red Sea
Red Sea$74.99Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of... -
Electrode Storage Solution for pH/ORP (230 ml) HI70300M - Hanna Instruments
Hanna Instruments$18.99HI70300M is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH... -
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Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert
Salifert$45.99$39.09Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosynthesis plants, including algae and the corals, which we usually have in...