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    Hanna Instruments Hi713 Phosphate Low Range Checker - Saltwater Test Kit

    Hanna Instruments Hi713 Phosphate Low Range Checker - Saltwater Test Kit

    NEW Hanna Instruments HI713 Phosphate Low Range Checker - Saltwater Test Kit $67.49 $90.95 Easier to use and more accurate than chemical test kits Ascorbic acid method ?0.04 ppm ?4% of reading accuracy Large, easy to read digits Auto shut offDedicated... more

    $68.51

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    Hanna Instruments Checker Phosphate Colorimeter

    Hanna Instruments Checker Phosphate Colorimeter

    Our eBay Store About Us Contact Us Add to Favorite Sellers Hanna Instruments Checker Phosphate Colorimeter 49.99 Easier to use and more accurate than chemical test kits Ascorbic acid method 0.04 ppm 4% of reading accuracy Large, easy to read digits... more

    $49.99

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    Hanna Pocket Photometer Phosphate Hi713

    Hanna Pocket Photometer Phosphate Hi713

    Hanna Pocket Photometer Phosphate HI713 Product #: HI-713 Easier to use and more accurate than chemical test kits Adaptation of Standard Method 4500-P E Accuracy 4% 0.04 ppm (mg/L) of reading 0.04 ppm (mg/L) resolution (250 points) Large, easy to read... more

    $44.35

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    Hach 224902 Phosphate Test Kit, Model PO-23

    Hach 224902 Phosphate Test Kit, Model PO-23

    The Barnant 224902 phosphate test kit measures phosphate concentration using a color disc. The 100-test kit includes reagents and test apparatus in a plastic carrying case. Thermo Fisher Scientific manufactures analytical instruments, laboratory... more

    $143.21

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    Hanna Instruments HI38077 Irrigation Water Phosphate Test Kit with Checker Disc, For 100 Tests

    Hanna Instruments HI38077 Irrigation Water Phosphate Test Kit with Checker Disc, For 100 Tests

    The Hanna test Kit for phosphate determines the phosphate concentration in irrigation water via checker disc. Test kit comes with 100 packets phosphate reagent, checker disc, glass vials with caps (2) and 3ml plastic pipette. Checker disc method.... more

    $49.18

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    Hanna Instruments HI38061 Phosphate Test Kit with Checker Disc, For 100 Tests

    Hanna Instruments HI38061 Phosphate Test Kit with Checker Disc, For 100 Tests

    The reaction between phosphate and the reagent causes a blue tint in the sample; adaptation of the ascorbic acid method. Test kit comes with 100 packets phosphate reagent, 500ml deionized water, checker disc, glass vials with caps (2), 3ml plastic... more

    $70.22

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    Phosphate Test Kit - 50 Tests

    Phosphate Test Kit - 50 Tests

    Salifert test kits are the epitome of accuracy and precision. Their wide range of available tests have all been designed to detect the smallest traces of certain elements; without interference from other chemicals within the water. Simply put; these... more

    $26.20

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    Phosphate Test Kit for Freshwater and Saltwater - 75 Tests

    Phosphate Test Kit for Freshwater and Saltwater - 75 Tests

    Test your aquarium water for inorganic phosphate which can sometimes be responsible for algae growth. This kit measures phosphates down to 0.1 mg per L. Easy to read results. For marine or fresh water. Size: 75 tests. more

    $12.78

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    Elos Aqua Test PO4 - Phosphate Test Kit

    Elos Aqua Test PO4 - Phosphate Test Kit

    Elos Aqua Test PO4 Test Kit gives you 162 tests for your freshwater or marine tank. A precisely calibrated dropper is included for accuracy. Kits are also lab tested so you know your results are correct. Reagents are not toxic; unlike other kits. more

    $22.99

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    Nutrafin pH Low Range Freshwater Aquarium Test Kit

    Nutrafin pH Low Range Freshwater Aquarium Test Kit

    The pH levels in your aquarium are extremely important and should be checked at least every month. The Nutrafin pH Low Range Freshwater Aquarium Test Kit will give you quick and accurate results when testing the pH levels in your aquarium. The Nutrafin... more

    $14.99 $7.50

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    Pet Food Direct

    (10,000+)
    Salifert Phosphate Po4 Test Kit 60 Tests

    Salifert Phosphate Po4 Test Kit 60 Tests

    Salifert Phosphate PO4 Test Kit 60 Tests Product #: SAT106 Phosphate testing and removal Phosphate has several negative effects if present in a too high concentration. First of all undesirable algae growth might result. Making an aquarium an unpleasant... more

    $16.95

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    Tropic Marin ATM28100 Phosphate Test Kit for Aquarium

    Tropic Marin ATM28100 Phosphate Test Kit for Aquarium

    For the determination of the phosphate concentration in fresh and seawater. Phosphates are an important food component of all plants and absolutely necessary for the metabolism of every living cell. If the plants do not take up enough phosphate, then... more

    $21.38

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    API Phosphate Test Kit

    API Phosphate Test Kit

    As phosphate increases, so does the chance of having unsightly algae and green water blooms. Test reads 0 to 10 mg/ or parts per million (ppm) of phosphate in fresh or salt water. more

    $7.99

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    Elos PO4-Professional Phosphate Test Kit

    Elos PO4-Professional Phosphate Test Kit

    Calibrated droppers: our bottles are designed to provide a consistent drop size, which is a key element in testing - regardless of who is squeezing the bottle the drop remains consistent. Many less expensive brands will rely on the cheapest possible... more

    $47.99

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    150 Count Phosphate Test Kit

    150 Count Phosphate Test Kit

    BFG1009: Features: -Phosphate test kit.-For freshwater and saltwater use.-Fast, easy and accurate.-Tests levels from 0 to 10 ppm in fresh and saltwater aquariums.-150 per card. more

    $12.02 $10.69

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    Rakuten.com Shopping

    (1,000,000+)
    Taylor K1106 Low Phosphate Test Kit

    Taylor K1106 Low Phosphate Test Kit

    Phosphates are nutrients for algae. The Taylor Technologies K-1106 Commercial Phosphate Test Kit helps you control algae by identifying the phosphate level in your pool so you can adequately treat or prevent algae problems. Phosphates are measured... more

    $43.06

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    Rakuten.com Shopping

    (1,000,000+)
    Elos Aqua Test PO4 - Professional Phosphate Test Kit

    Elos Aqua Test PO4 - Professional Phosphate Test Kit

    Phosphate Water Analysis for Fresh Water or Marine Aquariums Phosphate 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... more

    $62.39 $47.99

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    Rakuten.com Shopping

    (1,000,000+)
    API Phosphate Test Kit for Freshwater and Saltwater

    API Phosphate Test Kit for Freshwater and Saltwater

    Why test your phosphate levels? Well; phosphate can enter your aquarium through tap water; fish waste and decaying organics such as uneaten food or dead algae. As phosphate increases so does your chance of having unsightly algae and green water blooms.... more

    $10.29

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    Reef Care Phosphate Pro Colormetric Test Kit - 100 Tests

    Reef Care Phosphate Pro Colormetric Test Kit - 100 Tests

    Higher quality reagents make Red Sea's Phosphate Pro Test kit more accurate than the previous model. A unique colorimetric comparator and clear; thorough instructions make using the test kit easy. Tests in the range of .0014 - 1.6 ppm. Accuracy of... more

    $35.09

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    Seachem Multitest Phosphate (over 75 Tests)

    Seachem Multitest Phosphate (over 75 Tests)

    MultiTest Phosphate MultiTest Phosphate performs over 75 tests and contains a reference sample for validation more

    $12.78

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    Nutrafin Ammonia Freshwater Aquarium Test Kit

    Nutrafin Ammonia Freshwater Aquarium Test Kit

    Testing for ammonia is a must. The Nutrafin Ammonia Freshwater Aquarium Test Kit offers quick, accurate results when testing for ammonia in your freshwater aquarium. In an established tank, an ammonia test should be performed and recorded in a log once... more

    $17.99 $9.00

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    Pet Food Direct

    (10,000+)
    Tropic Marin Atm28130 Salt Calcium And Magnesium Test Kit For Aquarium

    Tropic Marin Atm28130 Salt Calcium And Magnesium Test Kit For Aquarium

    Tropic marin test kit salt calcium and magnesium Ideal for a periodic check of magnesium calcium concentrations Helps determine the amounts of magnesium calcium that need to be added to restore them to natural seawater levels more

    $39.99

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    Hanna Checker HC Handheld Colorimeter - Phosphate

    Hanna Checker HC Handheld Colorimeter - Phosphate

    No more inaccurate test kits! Hanna Checker HC handheld colorimeter takes a 10mL sample of water and accurately represents a digital reading of phosphate content. Accurate to plus or minus .04 ppm. Great for quick; accurate on the spot tests and... more

    $49.99

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