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  1. Up Aqua Digital Ph Pen PH-0/14

    Digital Ph Pen PH-0/14A Learn More
    $54.00

  2. TRM-1: Triple In-Line TDS Monitor

    DM-2: Commercial In-Line Dual TDS Monitor

    The DM-2 is a commercial grade monitor measuring TDS feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as drinking or potable water, Water treatment, Aquariums, Hydroponics and many more.

    FEATURES:

    • Highly efficient and accurate due to its advanced microprocessor technology
    • Displays TDS levels of the Feed Water and Product Water with in & out electrode probes
    • Auto-Off function conserves battery power (Shuts off automatically after 3 minutes)
    • Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. The DM-2 features digital calibration.
    • Diagnostic error messaging
    • Shielded sensor cables
    • Comes equipped with 1/4 inch Mur-lok® Quick-Connect T-fittings (Also available with 3/8″ or 1/2″ fittings)
    Learn More
    $43.64

  3. Seachem Reef Status: Magnesium, Carbonate & Borate

    Four kits in one! Tests for magnesium through a titration based procedure in increments of 12.5 mg/L. Learn More
    $61.66

  4. Seachem Reef Status: Calcium

    This kit measures all types of calcium, including gluconate calcium. The method is based on specific titration with a unique indicator. Measures in increments of 5 mg/L. Each kit runs 150 tests Learn More
    $49.97

  5. Seachem pH Alert

    pH Alert™ is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. Learn More
    $11.52

  6. Seachem MultiTest: Reef Special

    This kit combines the Phosphate, Silicate, and Iodine/Iodide kits into one kit. MultiTest™ Reef Special performs over 75 tests and contains a reference sample for validation Learn More
    $37.00

  7. Seachem MultiTest Phosphate

    This kit measures inorganic phosphate to less than 0.05 mg/L, producing a unique easy to read yellow-green-blue color range in marine and freshwater. Learn More
    $17.10

  8. Seachem MultiTest Iron

    This kit measures iron in freshwater or marine water to less than 0.05 mg/L. Can also measure chelated iron. MultiTest™ Iron performs over 75 tests and contains a reference sample for validation Learn More
    $15.65

  9. Seachem MultiTest Iodine & Iodide

    This kit measures iodine or iodide to less than 0.005 mg/L. MultiTest™Iodine/Iodide performs over 75 tests and contains a reference sample for validation Learn More
    $15.70

  10. Seachem MultiTest Ammonia

    This kit measures total (NH3 and NH4+) and free ammonia (NH3 only) down to less than 0.05 mg/L and is virtually interference free in marine and fresh water. Learn More
    $17.10

  11. Salifert Strontium TEST KITS

    Strontium plays an important role by accelerating coral and calcareous algae growth. Learn More
    $29.32

  12. Salifert Silicate TEST KITS

    Salifert offers a very sensitive and accurate silicate test kit. Learn More
    $13.50

  13. Salifert Refracto-Check Refract Check Solution

    Saliftert Refracto Check is a testing solution with a density of 35 ppm for the calibration of refractometers.

    The content is sufficient for up to 100 testings.

    Learn More
    $6.50

  14. Salifert Phosphate TEST KITS

    Phosphate testing and removal Learn More
    $16.23

  15. Salifert Phosphate Eliminator 500ml

    Salifert Phosphate Eliminator 500ml Phosphate Eliminator binds phosphate and is removed by skimming more effectively than normal. When we dose it to the reef or marine aquarium, it immediately makes phosphate unavailable to algae. It also avoids binding of phosphate to corals, live rock and sand, increasing the ability of corals and calcareous algae to grow much faster. The phosphate bound by this supplement and not removed by skimming within 24 hours will be set free again by bacterial action. This will be especially the case when dealing with a rather high phosphate concentration. Learn More
    $23.10

  16. Salifert pH TEST KITS

    The pH value can have a major impact on the growth of corals and calcareous algae and on many biological processes. Learn More
    $11.30

  17. Salifert Organics TEST KITS

    Salifert Organics TEST KITS Learn More
    $23.80

  18. Salifert Nitrite TEST KITS

    Nitrite is a substance that is toxic to fish and invertebrates. Learn More
    $13.84

  19. Salifert Natural Strontium 500ml

    Salifert Natural Strontium 500ml Strontium is probably important for accelerating coral and calcareous algae growth. NSW (Natural Sea Water) contains approx. 7 - 9 mg/L strontium. This strontium is associated (”chelated”) with sulfate. Since the growth of corals and calcareous algae goes hand in hand with strontium and calcium depletion, depletion of calcium (which is very easily measurable) usually means depletion of strontium as well. About Natural Strontium Strontium supplements should be designed in such a way that a too low or a too high strontium concentration is avoided. With this supplement we have reached this aim with an easy-to-use formulation. Learn More
    $23.10

  20. Salifert Natural Iodine 500ml

    Salifert Natural Iodine 500ml About Natural Iodine Salifert's Natural Iodine supplement contains a large portion iodate and also some iodide in similar proportions as NSW. All ingredients are of a pharmaceutical quality or even better. This ensures that no unwanted elements are added to your valuable aquarium. Learn More
    $23.10

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