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  1. ICP Water Analysis Single Pack

    Get Results Quicker - Tested in the USA

    This ICP will test your aquarium’s water for 33 elements down to the parts per million (ppm), or even parts per billion (ppb), surpassing the accuracy of any hobby level test kits.

  2. Red Sea Coral Colors Pro MultiTest Kit (I2,K,Fe)

    Great Value Multi Test Kit!

    Red Sea Reef Colors Pro Multi Test Kit contains three tests selected specifically to accurately measure chemical elements associated with coral pigmentation. The Red Sea Reef Colors Pro Multi Test Kit includes Red Sea Iodine Pro, Potassium Pro and Iron Pro Tests at an outstanding package price.

  3. Red Sea Marine Care Master Multi Test Kit

    NH3/NH4 | NO3 | NO2 | pH | KH

    The Marine Care Master Multi Test Kit includes the tests pH, KH, ammonia, nitrate and nitrite in a durable, chemical-resistant plastic box. Best Value!

  4. Red Sea Marine Care pH/Alk Test Kit

    pH | KH

    Includes an accurate titration test for KH and a colorimetric test for pH for monitoring these essential parameters in Marine Fish aquariums

  5. Red Sea Marine Care Ammonia Test Kit

    NH3 | NH4

    Accurate measurement of ammonia in marine aquariums essential during the cycle of a marine aquarium. Includes 100 Tests.

  6. Red Sea Marine Care Nitrite & Nitrate Test Kit

    NH3 | NH4

    Testing Nitrite and Nitrate essential during the maturation of all marine and reef aquariums and is suitable for ongoing algae management in fish-only systems.

  7. Red Sea Marine Care Calcium Test Kit

    Ca

    User-friendly titration test provides a quick and reliable measurement of calcium in your aquarium, with accuracy of either 15ppm or 30ppm, according to your needs

  8. Red Sea Marine Care Phosphate Test Kit

    PO4

    User-friendly colorimetric test provides a quick and reliable measurement of Phosphate in your aquarium, with accuracy of 0.1ppm PO4

  9. Red Sea Marine Care Magnesium Test Kit

    Mg

    Red Sea’s user-friendly Magnesium titration test provides a quick and reliable measurement of Magnesium in your aquarium to an accuracy of either 50ppm or 100ppm according to your needs. Includes 75 tests.

  10. Red Sea Iron Pro (Fe) - Reagent Refill Kit

    Iron (Fe) Reagent Refill Kit (50 tests)

    Reagent refill for Red Sea Iron Pro Test Kit. Enough reagent for 50 tests Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.

  11. Red Sea Potassium Pro (K) - Reagent Refill Kit

    Potassium (K) Reagent Refill Kit (40 tests)

    Reagent refill for Red Sea Potassium Pro Test Kit. Enough reagent for 40 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.

  12. Red Sea Potassium Pro (K) - High Resolution Test Kit

    High Resolution Potassium (K) Test Kit (40 tests)

    Crucial test kit for coral reef aquariums supplemented with potassium. Proper potassium supplementation encourages enhanced coral coloration for a stunning and vibrantly-colored reef aquarium.

  13. Red Sea Reef Foundation Pro Multi Test kit

    Calcium, Magnesium and Alkalinity - Ca | KH | Mg

    High accuracy titration tests for the accurate measurement of the Foundation elements Calcium, Magnesium and Alkalinity (KH). Best Value

  14. KH Alkalinity Monitor
    $649.99

    KH Alkalinity Monitor

    Alkalinity Monitor with A.I.M.

    The KH Monitor is an all-in-one device that automatically monitors carbonate hardness values throughout the day. Use in conjunction to an existing calcium reactor and other automatic alkalinity dosing methods. Includes A.I.M. (Advanced Interface Module) to be used with most 3rd party controllers.

  15. Red Sea Algae Control Multi Test Kit (NO₃/PO₄)

    Algae Control Phosphate and Nitrate Combo Kit

    Provides accurate measurements of two essential tests in one. Test nitrates and phosphates in aquarium water allows for proper dosing and control of nutrient levels that promote algae growth.

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