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ELOS USA Test Kits are very accurate and reliable for testing your reef tank.  ELOS are generally more expensive but are more lab grade and provide better test results for your aquarium water conditions.

ELO's Test kits and products are becoming much more popular and were difficult to get.  ELOS now has become a standard in test kits for aquariums and products.  ELOS is a high quality test that will give great accurate results for your aquarium water testing.

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  • ELOS Calcium (Ca) Test Kit
    $27.99 $25.19

    Elos Aqua Test Kit - Calcium Information Calcium is the primary building block of corals, clams, calcareous algae and many other organisms that we grow in our aquarium. Without adequate supplies of calcium these organism...


  • ELOS Phosphate (PO4) Test Kit
    $22.99 $20.69

    Elos Aqua Test Kit - Phosphate Information ELOS AQUA TEST KIT- PHOSPHATEPhosphate (PO4) build up in aquariums appears to be a fairly common problem in freshwater and saltwater aquariums. They are present in most tap water...


  • ELOS Alkalinity Carbonate Hardness Test Kit
    $17.99 $16.19

    Elos Aqua Test Kit - Carbonate Hardness InformationThe alkalinity of a solution refers to its capacity to buffer against drops in pH. It is a measure of the concentration of various negatively charged ionic compounds...


  • ELOS PH Test Kit
    $14.99 $13.49

    Elos Aqua Test Kit - pH Marine Information ELOS AQUA TEST KIT- PH MARINEThe pH value or acid value indicates how acidic or alkaline the water is. It is a measure of the concentration of the acidic or alkaline components in...


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