Supplements & Additives

Supplements & Additives is your one-stop shop for buying Supplements & Additives at highly competitive prices. Our aim is to provide a friendly stress-free shopping experience. If you can't find the Supplements & Additives that meet your requirements, please get in touch with our friendly customer service team. We will be happy to help.

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  • Great White Granular 1 Mycorrhizae

    Great White

    Great White Granular 1 Mycorrhizae

    $11.00 - $380.00

    Great White Granular 1® is a LOW COST single species mycorrhizal inoculant. The Glomus intraradices strain used in this product has been specifically selected because of its proven results in many field trials. In addition, Great White Granular 1 has...

  • ORCA

    Great White


    $18.00 - $375.00

    Orca® is a highly concentrated mycorrhizal and beneficial bacteria product that brings together 4 highly effective endo mycorrhizal species with 14 super effective bacteria strains. From the people who brought you Great White® this all-in-one...

  • Mycro Chum Microbial Food

    Plant Success

    Mycro Chum Microbial Food

    $20.00 - $530.00

    MycoChum® is a premium microbial food containing a perfect blend of molasses, fish emulsion, liquid kelp, humic acids and micro and macro nutrients. During the veg stage, plants are building both root and plant structure; MycoChum®...

  • Optic Foliar ATAK

    Optic Foliar

    Optic Foliar ATAK

    $23.00 - $50.00

    OPTIC FOLIAR ATAK helps maintain healthy plants throughout veg and into late flower. ATAK will ensure your plants receive all essential trace minerals to optimize plant health in all stages of growth including late bloom. Q: Can we use Attak in late...

  • Professor's Nutrients Go Green


    Professor's Nutrients Go Green

    $25.00 - $155.00

    Go Green is specifically designed to prevent and restore plants from common deficiency symptoms. It is scientifically calculated and optimised formula to deliver liquid fertilisers with added trace elements. Provides protection against excessive salt...

  • H&G N27% Nitrogen

    House & Garden Nutrients

    H&G N27% Nitrogen

    $29.50 - $336.00

    House & Garden N27% Nitrogen 1L This is the strongest Nitrogen additive on the market. It efficiently delivers optimised forms of N compounds directly to the plant. It can be converted quickly and easily for rapid nutrient uptake.  N27% Nitrogen is...

  • Optic Foliar OVERGROW

    Optic Foliar

    Optic Foliar OVERGROW


    OVERGROW... spray it, see it be-leaf it! Optic Foliar OVERGROW is the only product on the market that is a dynamic, multi-purpose, ready-to-use spray that combines performance and growth with overall plant health. OVERGROW will also...

  • H&G Top Booster

    House & Garden Nutrients

    H&G Top Booster

    $31.50 - $682.50

    Top Booster is our seriously powerful PK13/14 Booster to truly enhance your flowers! Production horticulture studies have shown that plants utilise less Nitrogen (N) and thrive when given precisely calculated increases in Phosphorus (P) and Potassium (K)...

  • H&G Drip Clean

    House & Garden Nutrients

    H&G Drip Clean

    $31.50 - $383.50

    Drip Clean is an extremely useful agent for anyone working in horticulture or hydroponics. It assists with drip irrigation systems or gravity feed systems (e.g. Auto pots, IWS Dripper systems) by preventing salt build-up in substrate or plumbing. Drip...

  • Cultured Solutions Coco Cal

    Current Culture H2O

    Cultured Solutions Coco Cal

    $35.00 - $90.00

    CULTURED SOLUTIONS COCO CAL is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. COCO CAL helps optimize plant nutrition and enhances plant...

  • Rock Resinator

    ROCK Nutrients

    Rock Resinator

    $40.00 - $450.00

    ROCK RESINATOR HEAVY YIELDS 0-7-8 Resinator is a revolutionary flower enhancer that will dramatically increase essential oil production and flower mass. Resinator provides the highest quality soluble phosphorus and potassium for translocation to...

  • Green House Calcium

    Green House Feeding

    Green House Calcium

    $40.00 - $120.00

    Green House Additive Feeding Calcium is a powerful hydroponic or soil nutrient solution! Powder Feeding Calcium is extremely soluble, easy to use and quickly assimilated by your crops. It prevents and corrects deficiencies which are caused due...

  • Rock Supercharge Root Tonic

    ROCK Nutrients

    Rock Supercharge Root Tonic

    $40.00 - $450.00

    Rock Supercharge incorporates years of research into keeping roots healthy and strong. It will help plants develop a thick, white root mass, while also helping to overcome several root problems that growers may face. Supercharged Root Stimulator...

  • H&G Multizyme

    House & Garden Nutrients

    H&G Multizyme

    $42.00 - $947.00

    Multizyme, has a unique formula of enzymes, co-enzymes and vitamins to aid in plant development and promote healthy beneficial bacteria and mycorrhizal activity. A powerful vegetative and floral stimulant, Multizyme can be effectively used in hydro, coco...

  • Optic Foliar TRANSPORT

    Optic Foliar

    Optic Foliar TRANSPORT

    $45.00 - $140.00

    TRANSPORT provides superior spreading and wetting capabilities that allow you to spray in full sunlight with no damage or burning. Combine Optic Foliar TRANSPORT with any foliar solution to allow you to spray in full sunlight with no damage or burning,...

  • Optic Foliar REV

    Optic Foliar

    Optic Foliar REV

    $45.00 - $140.00

    Optic Foliar Rev steps in to help maintain and support the high levels of energy being produced by providing key ingredients-including amino acids and micro-nutrients-that target specific areas of the plant. Rev helps a plant maintain its highly...

  • Cultured Solutions Bud Booster Mid

    Current Culture H2O

    Cultured Solutions Bud Booster Mid

    $45.00 - $120.00

    Cultured Solutions Bud Booster – Mid incorporates high levels of Phosphorous and Potassium to provide your plants with the minerals needed during primary flower periods. Our zero Nitrogen bloom booster also supplies Sulfur and Magnesium to assist...

  • Bio Diesel Green Diamond

    Bio Diesel

    Bio Diesel Green Diamond

    $45.00 - $2,800.00

    A complete full spectrum base nutrient for both the growth and bloom stages.Designed for high performance hydroponic and coco fibre systems.Green Diamonds formulation is different to traditional mineral bases. Using natural chelates and organic...

  • Optic Foliar WATTS

    Optic Foliar

    Optic Foliar WATTS

    $45.00 - $140.00

    Once Transport has opened the stomata, Optic Foliar Watts is able to trigger photosynthic cycles and expotentially increase the amount of light energy being utilized  and processed by the plant, directly resulting in increased growth rates...

  • Cultured Solutions UC Roots

    Current Culture H2O

    Cultured Solutions UC Roots

    $45.00 - $130.00

    UC ROOTS is a multipurpose root zone optimizer that uses proprietary chemistry to aid in mineral descaling and the removal of potentially harmful biofilms in nutrient reservoirs.  By reducing the potential habitat for plant pathogens, UC ROOTS has...

  • Biodiesel MARINE CAMG+

    Bio Diesel

    Bio Diesel MARINE CAMG+

    $45.00 - $350.00

    Natural sea ingredients including crustacean derived calcium and magnesium from ancient sea bed deposits. MarineCaMg+ contains cytokinins from deep water kelp extracts, laden with cytokinins to boost lateral branching, and speed up cell division...

  • Cultured Solutions Bud Booster Early

    Current Culture H2O

    Cultured Solutions Bud Booster Early

    $45.00 - $120.00

    Cultured Solutions Bud Booster – Early is specifically formulated to aid in the development of flowering sites and is fortified with added Nitrogen and Magnesium to promote peak performance. Providing ample nitrogen during the early elongation...

  • H&G Mg08% Magnesium

    House & Garden Nutrients

    H&G Mg08% Magnesium


    House & Garden Mg08% Magnesium 1L This is the strongest Magnesium additive on the market. It efficiently delivers optimised forms of Mg compounds directly to the plant. It can be converted quickly and easily for rapid nutrient uptake. Mg8%...