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Nitrite (N02)

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  • NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin

    NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin

    Tropic Marin

    $32.73
    Nitrate ions (NO3–) are formed from ammonium (NH4+) as the end product of the nitrification process. Nitrite (NO2–), which is highly toxic to freshwater species in particular, is produced in the first stage of the bacterial process. If the...
  • PO4 Phosphate Test Professional - Tropic Marin

    PO4 Phosphate Test Professional - Tropic Marin

    Tropic Marin

    $27.28
    Phosphates (PO43–) are important nutrients for all plants and are vital for the energy metabolism of every living cell. Phosphates are released into the aquarium water via food and the decomposition process of organic matter. However, an...
  • On Sale 15%
    Master Liquid Test Kit - Fritz Aquatics
    On Sale 15%

    Master Liquid Test Kit - Fritz Aquatics

    Fritz Aquatics

    $36.74
    $31.23
    Perfect for starting a new system Includes 4 Essential Test Kits Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Master Test Kit Fritz Aquatics Master Test Kit contains four essential test kit formulas in...