1. ELOS Extra Calcium Concentrated Additive
    $22.99

    ELOS Extra Calcium Concentrated Additive

    Expert Line Concentrated Calcium Supplement 500ml

    Very efficient Calcium additive Manufactured from pure laboratory grade salts designed to rapidly restore Calcium concentration to NSW levels.

  2. ELOS Extra Magnesium Concentrated Additive
    $21.99

    ELOS Extra Magnesium Concentrated Additive

    Expert Line Magnesium Additive 500ml

    Very efficient magnesium additive manufactured from pure laboratory grade salts designed to rapidly restore magnesium concentration to NSW levels.

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  3. ELOS Extra KH Buffer Concentrated Additive
    $22.99

    ELOS Extra KH Buffer Concentrated Additive

    Expert Line Concentrated KH Buffer Supplement 500ml

    A complex formula of pH buffers, designed to adjust alkalinity of saltwater and fresh water aquariums.

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