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Additives

The Largest Range of Hydroponic Additives Available in One Place.

From Liquid Iron, to root stimulants, boost and Rhizotonic products, foliage and leaf boosters, potash and silica products, vitamin and hormone additives, flowering enhancers, nutrient enhancers, root conditioning hydroponic tonics, enzyme boosters, bud grow helpers, seaweed plant food and worm juice products.

  • Hydroworld Resin Enhancer 1L

    Hydroworld Resin Enhancer

    Hydroworld Resin Enhancer is a specialized flowering additive for use in conjunction with PK additives to:- Aids photosynthesis to improve sugar content and taste- Helps to promote increased fruit weight and greater oil content- Helps plants to produce...

    $160.00
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  • Rock Nitro 1L

    Rock Nitro 1L

    Rock Nitro 1L Rock Nitro is a concentrated growth promoting additive featuring a blend of Ammoniacal Nitrogen, Nitrate Nitrogen and Calcium. Use this product to accelerate plant growth and shorten the time needed to reach maturity.The calcium promotes...

    $40.00
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  • Rock Nitro 5L

    Rock Nitro 5L

    Rock Nitro 5L Rock Nitro is a concentrated growth promoting additive featuring a blend of Ammoniacal Nitrogen, Nitrate Nitrogen and Calcium.   Use this product to accelerate plant growth and shorten the time needed to reach maturity. The calcium...

    $120.00
    Add to Cart