Hanna Saltwater

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    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…

    $42.46 Regular Price: $49.95

    Easily calibrate and test proper functionality of your Hanna Checker HI713 Phosphate Low Range for fresh and marine water (saltwater). * Contains Standard A, Standard B and 1 Packet 713-25 Reagent* * Follow instructions in packaging * Acceptable results must be between 0.92 and 1.08…

    $10.20 Regular Price: $12.00

    Compatible with fresh or saltwater! No longer do 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…

    $42.46 Regular Price: $49.95

    …Always Test We Recommend the Hanna High Range Copper Checker (HI702)   Whenever treating with copper, we recommend regular testing of copper concentrations to ensure safe and effective treatment. One of the best tools for this is the Hanna Copper Checker. This handheld…

    $4.24 Regular Price: $4.99
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    …Monitor your aquariums temperature and pH all with a single pen-style tester. Hanna's HI98108 Waterproof pHep+ Tester can give you pH readings from 0.00 all the way up to 14.0 pH making it perfect for saltwater or freshwater aquariums. The HI98108 can also monitor temperature, and the exposed…

    $42.08 Regular Price: $49.50

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $14.87 Regular Price: $17.49

    Monitoring 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…

    $42.46 Regular Price: $49.95

    …functionality of your Hanna Checker HI764 Nitrite Ultra Low Range for marine water (saltwater). * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 86 and 114 ppb at 25°C   Hanna Checker Instructions…

    $10.20 Regular Price: $12.00

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $27.19 Regular Price: $31.99
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    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $19.54 Regular Price: $22.99

    …proper functionality of your Hanna Checker HI758 Calcium for marine water (saltwater). * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 380 and 420 ppm at 25°C   Hanna Checker Instructions for…

    $14.45 Regular Price: $17.00

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $20.39 Regular Price: $23.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $84.99 Regular Price: $99.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $20.39 Regular Price: $23.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $14.87 Regular Price: $17.49

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $6.37 Regular Price: $7.49

    …exactly 100 µL of solution to a cuvette. To obtain the highest accuracy and precision from the Hanna Instruments HI758 Calcium Checker it is necessary to add exactly 100 µL of aquarium saltwater to the cuvette. Any variation will result in an inaccurate reading. * Precise fixed…

    $17.00 Regular Price: $20.00

    …Uses Hanna HI774-25 reagent refills   What's Included * HI774 Checker * 2 sample cuvettes with caps * ULR Reagent for 10 tests * battery * instructions * quick start guide * 1 year limited warranty   Reagent Refills - Hanna

    $42.46 Regular Price: $49.95
    Out of Stock

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $20.39 Regular Price: $23.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $52.69 Regular Price: $61.99
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    …growth and health, pretty much everyone will answer with Calcium, Alkalinity, & Phosphates. Hanna Instruments HIREEF2 Test kit includes everything you need to digitally monitor your saltwater aquarium's vital elements, and also a digital temperature and salinity testing pen. Using a digital…

    $216.75 Regular Price: $255.00
    Out of Stock

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $27.19 Regular Price: $31.99
    Choose Options

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $84.99 Regular Price: $99.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $52.69 Regular Price: $61.99
    Choose Options

    …of your Hanna Checker HI736 Phosphorus Ultra Low Range for marine water (saltwater). * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 90 and 110 ppb at 25°C   Hanna Checker Instructions…

    $11.89 Regular Price: $13.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $20.39 Regular Price: $23.99

    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…

    $42.46 Regular Price: $49.95

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $6.37 Regular Price: $7.49

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $6.37 Regular Price: $7.49

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $84.99 Regular Price: $99.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $84.99 Regular Price: $99.99

    …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 overall coral health. Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will…

    $84.99 Regular Price: $99.99
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