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  • MCP Test Kit Marine Master Care - Red Sea

    MCP Test Kit Marine Master Care - Red Sea

    Red Sea

    $74.99
    Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of...
  • On Sale 15%
    HI702 High Range Copper Checker (Saltwater) - Hanna Instruments
    On Sale 15%

    HI702 High Range Copper Checker (Saltwater) - Hanna Instruments

    Hanna Instruments

    $64.95
    $55.21
    The HI702 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure copper in your saltwater aquarium. Designed as a more accurate alternative to chemical test kits, the HI702 provides quick, accurate results in a...
  • On Sale 15%
    Ammonia (NH3) Test Kit - Salifert
    On Sale 15%

    Ammonia (NH3) Test Kit - Salifert

    Salifert

    $13.99
    $11.89
    For Fresh and Saltwater Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.If this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as...
  • On Sale 15%
    Nitrite (N02) Test Kit - Salifert
    On Sale 15%

    Nitrite (N02) Test Kit - Salifert

    Salifert

    $14.99
    $12.74
    Features:Nitrite is a substance that is toxic to fish and invertebrates.It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) that nitrite has vanished.Many nitrite test kits suffer from interference by amines (such as...
  • On Sale 15%
    Potassium Reef Test - Salifert
    On Sale 15%

    Potassium Reef Test - Salifert

    Salifert

    $18.81
    $15.99
    Salifert test kits have been trusted by discerning reefers for years for their ease of use and reliability.  Many reefers will report loss of coloration in corals when potassium level start to drop below 360 ppm. Potassium levels in natural...
  • Trace Colors PRO - Multi Test Kit Iodine/Potassium/Iron - Red Sea

    Trace Colors PRO - Multi Test Kit Iodine/Potassium/Iron - Red Sea

    Red Sea

    $84.99
      It’s all in the balance   Red Sea’s TRACE COLORS PRO Multi Test Kit includes advanced tests for the high accuracy measurement of Iodine, Potassium and Iron. All of these elements are associated with many biological...
  • On Sale 15%
    Copper Test Kit (50 Tests) - Salifert
    On Sale 15%

    Copper Test Kit (50 Tests) - Salifert

    Salifert

    $16.97
    $14.42
    This test can be used to measure any ionic copper in your source water or to monitor copper levels during parasite treatments. The test kit includes a test cylinder and reagent, plus a color chart to measure the copper, accurate to 0.05 PPM. It can be...
  • On Sale 15%
    Iodine (I2) Test Kit - Salifert
    On Sale 15%

    Iodine (I2) Test Kit - Salifert

    Salifert

    $29.30
    $24.91
    Trust your aquarium to Salifert.This test will accurately measure the form of iodine found in seawater, iodate.  Salifert's wide range of available tests have all been designed to detect the smallest traces of certain elements, without interference...
  • Marine Test Kit Nitrite & Nitrate - Red Sea

    Marine Test Kit Nitrite & Nitrate - Red Sea

    Red Sea

    $26.99
    It’s all in the balance This combined test kit provides either 100 nitrite or 50 Nitrate and 50 Nitrite advanced colorimetric tests for marine aquariums. This kit is essential during the maturation of all marine and reef...
  • Copper Test Kit (90 Tests) - API

    Copper Test Kit (90 Tests) - API

    API

    $12.48
    Copper Test Kit Copper – a treatment for many parasitic infections – must be monitored in an aquarium or a pond. The copper level can drop too low for the treatment to be effective, or can increase to a point that is detrimental to fish...
  • On Sale 15%
    Strontium (Sr) Test Kit - Salifert
    On Sale 15%

    Strontium (Sr) Test Kit - Salifert

    Salifert

    $33.18
    $28.20
    Trust your aquarium to Salifert. This test kit will measure ionically free strontium and complex, important for the accelerated growth of corals.  Salifert test kits are the epitome of accuracy and precision.  The sharp, contrasting color...
  • On Sale 15%
    Copper (Cu) Test Kit - Elos
    On Sale 15%

    Copper (Cu) Test Kit - Elos

    ELOS

    $21.99
    $18.69
    The ELOS Copper Test Kit combines ease-of-use, with laboratory-grade precision. It can be used to detect copper or to measure residual copper levels before and after using copper cures in fish-only aquariums. Also, great for testing tap or source water...
  • On Sale 15%
    Nitrite (NO2) Test Kit - Elos
    On Sale 15%

    Nitrite (NO2) Test Kit - Elos

    ELOS

    $21.99
    $18.69
    Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.)...
  • On Sale 15%
    Ammonia/Ammonium (NH3/4) Test Kit - Elos
    On Sale 15%

    Ammonia/Ammonium (NH3/4) Test Kit - Elos

    ELOS

    $23.99
    $20.39
    Ammonia (NH3) is toxic to corals, invertebrate and fishes. At high pH level (as in a marine aquarium) and at increased temperatures, NH3 can kill the aquarium inhabitants. In freshwater aquaria its optimal level should be below 0,1 mg/lt. In marine...
  • On Sale 15%
    Copper Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics
    On Sale 15%

    Copper Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics

    Fritz Aquatics

    $11.99
    $10.19
    Accurate in both Fresh and Saltwater Essential when Medicating with Copper-based Treatments Measures Free and Total Copper About Fritz Liquid Test Kits - Copper Copper is commonly used in aquariums to treat external parasitic infections,...
  • Iodine Pro (I2) Reef Test Kit - Red Sea

    Iodine Pro (I2) Reef Test Kit - Red Sea

    Red Sea

    $54.99
    Unique test, measuring the level of total iodine in your UNLS aquarium, with high accuracy of 0.01 ppm. Red Sea’s Iodine Pro Reef Test Kit is a unique test, measuring the level of total iodine in your reef aquarium to a high accuracy of 0.01 ppm...
  • On Sale 15%
    Hardness (GH) Test Kit (40 Tests) - ASF
    On Sale 15%

    Hardness (GH) Test Kit (40 Tests) - ASF

    ASF

    $19.69
    $16.74
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. Each kit includes a micro-syringe to ensure accurate testing. Multiple tests are included in...
  • On Sale 15%
    GH Liquid Test Kit - Fritz Aquatics
    On Sale 15%

    GH Liquid Test Kit - Fritz Aquatics

    Fritz Aquatics

    $11.24
    $9.55
    East to Read Instructions Essential for a Healthy Tank Accurate in Freshwater About Fritz Liquid Test Kits - GH General hardness (GH) is commonly overlooked in many aquariums, but this parameter plays a very important role in your...