Colorimeter

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    The HI774 Ultra Low Range Phosphate Checker® is a cost-effective way to measure phosphate in marine systems, including reef tanks. Excessive phosphate levels can prevent calcification, skeletal formation, and growth of many coral species, particularly those referred to as SPS or small-polyp…

    $59.95 Regular Price: $

    …to make sure your salinity is always in line. Matthews Beginner Test Kit Bundle includes: Hanna DKH Colorimeter HI772 Hanna Low Range Nitrate Colorimeter HI781 Hanna Phosphate Low Range Colorimeter HI713 Salifert Calcium Test Kit Salifert Ammonia Test Kit Salifert Nitrite Test Kit BRS Refractometer…

    $229.50 Regular Price: $
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    …Neptune Apex or ApexELwith an open 1Link OR a 24V Power and Aquabus cable How It Works The Trident is a self-contained automatic titration colorimeter. Thats quite a mouthful, for sure, so lets state it as simply as we can. The Trident is basically automating what you (and top scientists) do…

    $639.95 Regular Price: $

    …you need to digitally monitor your saltwater aquarium's vital elements, and also a digital temperature and salinity testing pen. Using a digital colorimeter style test kits ensures that the readings can be repeated time and time again without having to worry about outside elements like the lighting…

    $275.00 Regular Price: $

    Tropic Marin Professional Lab is a complete test kit for monitoring water values in marine aquariums. It contains highly precise tests for phosphate, nitrite, nitrate, calcium, magnesium, and carbonate hardness. Reference solutions for Multi-Standard and NP-Standard, as well as illustrated…

    $164.28 Regular Price: $

    The HI780 Marine pH Checker HC is a simple, accurate and cost effective way to measure pH in saltwater. With a digital readout, there is no more struggling to determine colors visually. This pH tester's compact design stores easily with your other testing equipment. Keeping your aquarium pH stable…

    $59.95 Regular Price: $

    Four simple steps to results. Easily and accurately test for low range ammonia in fresh water with the Hanna Checker Colorimeter - Ammonia Low Range for Fresh Water (HI 700). Designed to be more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert…

    $59.95 Regular Price: $

    The HI782 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the zinc reduction method to determine nitrate concentration in marine applications. With a digital read out, there is no more struggling to determine colors visually. The HI782`s high range of…

    $59.95 Regular Price: $

    Easy and Accurate Nitrate Testing for your Saltwater Aquarium! Get highly accurate 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 easily stores…

    $49.45 Regular Price: $59.95

    Check for low ranges of Nitrites in your fresh water. The Hanna HI707 Checker HC Handheld Colorimeter for Nitrite LR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next,…

    $59.95 Regular Price: $

    …dosing system it is important to use a good test kit to establish a baseline. We really like using the Red Sea Reef Foundation test kit or Hanna Colorimeters for their accuracy and repeatability which leads to a much more stable reef and overallcoralhealth. Stability is one of the keys to keeping a…

    $39.99 Regular Price: $

    The Hanna Alkalinity checker is an awesome little tool that will give you accurate easy to read results. If you have bad eyes or have a hard time with titration test kits, the digital read out on the Hanna checkers is super nice and easy to read. The biggest key with Hanna checkers is keeping the…

    $59.95 Regular Price: $

    Reagent refill for Alkalinity Colorimeter HI772 or HI755 Hanna Checker HC Marine Water, as well as the Marine Master HI97105 Multiparameter Photometer. Enough reagent for 25 tests. Item #: HI755-26

    $10.00 Regular Price: $

    Determine the alkalinity levels in your fresh water. The Hanna HI775 Checker HC Handheld Colorimeter for Alkalinity in fresh water bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water…

    $59.95 Regular Price: $

    Ammonia is naturally produced in aquariums as a byproduct of waste produced from your livestock. It is a natural part of the Nitrogen Cycle that maintains balance in a healthy aquarium. When too much ammonia accumulates in the aquarium, ammonia toxicity can occur and seriously affect the health of…

    $59.95 Regular Price: $

    Magnesium is a crucial element in saltwater environments, as it allows calcium and carbonate to be bioavailable for corals and other invertebrates. Therefore, consistent and accurate testing of magnesium levels in your marine aquarium is vital to ensure a healthy and thriving system. The HI783…

    $59.95 Regular Price: $
    Out of Stock

    …you need to read color charts, trust Hanna's HI702 Copper Checker to know the precise amount of copper in your aquarium water. The High Range Colorimeter gives greater precision over previous models and gives you a digital reading on a large LCD display. Copper is generally used in saltwater…

    $59.95 Regular Price: $

    Four simple steps to results. Easily and accurately test for free chlorine with the Hanna Checker Colorimeter (HI 711). Designed to be a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert the sample into the Checker and zero the instrument with…

    $59.95 Regular Price: $

    Why does BRS recommend this? The Hanna Alkalinity checker is an awesome little tool that now will give results in DKH values that are much more common in the aquarium hobby. It will also give you accurate easy to read results with the large LCD display. We like the repeatable results and ability to…

    $59.95 Regular Price: $

    Redesigned with new100 µL Pipette Accurately check your reef tanks calcium level with the Hanna HI758 Calcium Checker. Three simple steps to results. The Hanna Calcium Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to…

    $59.95 Regular Price: $

    Check for Nitrite easily in your tank. The Hanna HI764 Checker HC Handheld Colorimeter for Nitrite ULR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent.…

    $59.95 Regular Price: $

    Four simple steps to results. Easily and accurately test for ultra-low range total chlorine in with the Hanna Checker Colorimeter - Total Chlorine Ultra-Low Range (HI 761). Designed to be more a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert…

    $59.95 Regular Price: $

    …phosphorus concentration in saltwater is important because it can cause corrosion if levels are too high. The Hanna HI736 Checker HC Handheld Colorimeter for Phosphorus ULR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use.…

    $59.95 Regular Price: $

    Why does BRS recommend this? The Hanna Phosphate Checker is an awesome little tool that will give you accurate easy to read results. If you have bad eyes or have a hard time with color change test kits, the digital readout on the Hanna checkers is super easy to read. The biggest key with Hanna…

    $59.95 Regular Price: $

    Reagent refill for Nitrate High Range Colorimeter HI782 - Marine Water as well as the Marine Master HI97105 Multiparameter Photometer. Enough reagent for 25 tests. Item #: HI782-25

    $15.00 Regular Price: $
    Out of Stock

    Alkalinity reagent refills for the easy to use, handheld Alkalinity Colorimeter HI775 Hanna Checker HC - Fresh Water. Enough reagent for 25 tests. Item #: HI775-25

    $21.00 Regular Price: $

    Nitrite Low Range reagent refills for the easy to use, handheld Nitrite LR Colorimeter HI707 Hanna Checker HC - Fresh Water. 25 Packets Reagent Item #: HI 707-25

    $13.00 Regular Price: $

    Iodine reagent refills for the easy to use, handheld Iodine Colorimeter HI718 Hanna Checker HC - Fresh Water. 25 Packets Reagent Item #: HI 718 -25

    $9.00 Regular Price: $
    Out of Stock

    Marine pH Checker reagent refills for the easy to use, handheld Marine pH Checker HC Colorimeter HI780 as well as the Marine Master HI97105 Multiparameter Photometer. Performs 100 Tests Item #: HI 780-25

    $15.00 Regular Price: $

    Phosphorus Ultra Low Range reagent refills for the easy to use, handheld Phosphorus ULR Colorimeter HI736 Hanna Checker HC - Marine Water. 25 packets of reagent Item #: HI 736 -25

    $10.00 Regular Price: $

    Extra cuvettes (vials) for your Hanna Colorimeter Checkers. Caps NOT included Precision glass, necessary for taking accurate measurements For most accurate readings, cuvette must be clean and free of scratches

    $22.00 Regular Price: $

    Phosphate Ultra Low Range reagent refills for the easy to use, handheld Phosphate ULR ppm Colorimeter HI774 Hanna Checker HC - Marine Water, as well as the Marine Master HI97105 Multiparameter Photometer. 25 packets of reagent Item #: HI 774 -25

    $10.00 Regular Price: $
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