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ISN

High Quality, Australian Made Nutrients

International Superior Nutrients specialises in high quality hydroponic nutrients.

Their nutrient range is manufactured in South Australia with British pharmaceutical grade ingredients. Their nutrients have one of the highest purity ranges than
otherwise seen on the market. Their products help with boosting plant health, increasing yield sizes all while fighting off pests, diseases and stress.

ISN makes a simple but comprehensive range of fantastic nutrients that are sure to produce amazing results. 

International Superior Nutrients
  • Nutrient - ISN Supreme Grow

    Heavy Product Shipping Charges Apply

    $28.00 - $250.00
    $250.00
    $28.00 - $250.00
    $28.00 - $250.00
    $28.00

    ISN Supreme Grow

    ISN Supreme Grow is a two-part nutrient, formulated for rapid growth. Our lab has designed this product to produce strong frames in preparation for...

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    Heavy Product Shipping Charges Apply

    $28.00 - $250.00
    $250.00
    $28.00 - $250.00
    $28.00 - $250.00
    $28.00
  • Nutrient - ISN Supreme Bloom

    Heavy Product Shipping Charges Apply

    $28.00 - $250.00
    $250.00
    $28.00 - $250.00
    $28.00 - $250.00
    $28.00

    ISN Supreme Bloom

    ISN Supreme Bloom is a two-part nutrient designed for maximum flower enhancement. Our Bloom A and B is the perfect nutrient to help grow and produc...

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    Heavy Product Shipping Charges Apply

    $28.00 - $250.00
    $250.00
    $28.00 - $250.00
    $28.00 - $250.00
    $28.00

  • Heavy Product Shipping Charges Apply

    $43.95 - $420.00
    $43.95 - $420.00
    $43.95 - $420.00
    $43.95

    ISN Seaweed

    ISN Seaweed is a mix of North Atlantic and Pacific Ocean marine plants. ISN seaweed is one of the few products in the world that has a cold pressed...

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    Heavy Product Shipping Charges Apply

    $43.95 - $420.00
    $43.95 - $420.00
    $43.95 - $420.00
    $43.95

  • Heavy Product Shipping Charges Apply

    $29.95 - $270.00
    $29.95 - $270.00
    $29.95 - $270.00
    $29.95

    ISN Potash

    ISN Solid’as Potash is a flowering enhancer that increases both size and mass significantly. Created in our lab and made from British pharmaceutica...

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    Heavy Product Shipping Charges Apply

    $29.95 - $270.00
    $29.95 - $270.00
    $29.95 - $270.00
    $29.95