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Additives

Maximum Yield is what defines Additives for hydroponics & soil plants. At HomeGrow we supply everyone with both the newest and most reputable brands of Additives and Nutrients available in Australia.
  • Green Planet Review Australia guide best dry organic DIY lettuce types near me made essential types definition.
    Original price $21.99 - Original price $219.94
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    Green Planet Pro Cal

    Pro Cal is an excellent supplemental source of essential elements that plants require at all stages of growth. Our formula provides readily avail...

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    Original price $21.99 - Original price $219.94
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    $21.99 - $219.94
    $21.99 - $219.94
    Current price $21.99
  • Australia's Best Hydroponics Store Online | Emerald Harvest Cal-Mag | Efficient Photosynthesis
    Original price $34.00 - Original price $364.00
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    $34.00 - $364.00
    Current price $34.00

    Emerald Harvest Cal-Mag

    Cal-Mag | 2-0-0 Derived from calcium nitrate, magnesium, sulfate, calcium acetate, magnesium acetate and kelp extract. Keep your plants producti...

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    Original price $34.00 - Original price $364.00
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    $34.00 - $364.00
    Current price $34.00
  • Australia's Best Hydroponic Store Online | THC Coco | Advanced Combination
    Original price $38.50 - Original price $324.50
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    THC Coco

    Total Horticultural Concentrate Coco has been scientifically formulated to give growers maximum possible yields when growing in coco substrates. Th...

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    Original price $38.50 - Original price $324.50
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    $38.50 - $324.50
    Current price $38.50
  • Australia's Best Hydroponics Store Online | THC Roid | Pure Pharmaceutical Grade
    Original price $42.95 - Original price $286.00
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    $42.95 - $286.00
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    THC Roid

    THC Roid is an extremely effective performance enhancer that stimulates size, quality, quantity, weight and potency. Roid contains carefully balanc...

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    Original price $42.95 - Original price $286.00
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    $42.95 - $286.00
    $42.95 - $286.00
    Current price $42.95
  • Australia's Best Hydroponics Store Online | Bud Wise Heavy Weight | Fertiliser
    Original price $43.98 - Original price $104.44
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    Current price $43.98

    Bud Wise Heavy Weight

    Bude Wise Heavy Weight Potash promotes extreme fruit and flower size by producing the elements a plant requires in luxury levels so your plant will...

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    Original price $43.98 - Original price $104.44
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    $43.98 - $104.44
    $43.98 - $104.44
    Current price $43.98
  • Green Planet Review Australia guide best dry organic DIY lettuce types near me made essential types definition.
    Sale Sale
    Original price $104.95
    Original price $104.95 - Original price $104.95
    Original price $104.95
    Current price $98.99
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    Current price $98.99

    Green Planet Dual Fuel Starter Kit

    The GreenPlanet Dual Fuel Starter Kit offers convenience in a box, at a price point everyone can afford. Making up to 1000 litres of solution, eac...

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    Original price $104.95
    Original price $104.95 - Original price $104.95
    Original price $104.95
    Current price $98.99
    $98.99 - $98.99
    Current price $98.99
    Sale Sale
  • Australia's Best Hydroponics Store Online | Uber Uni One | NPK Auto Sensing
    Sold out
    Original price $44.00 - Original price $385.00
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    Current price $44.00

    Uber Uni One

    Uber Uni One works by using a proprietary nutri-sense NPK auto-sensing nutrient technology combined with a modified form of Uber's Trx1 Peptide sui...

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    Original price $44.00 - Original price $385.00
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    Current price $44.00
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  • Australia's Best Hydroponics Store Online | THC Rhizo Shield | Environmentally Friendly
    Original price $42.95 - Original price $412.50
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    THC Rhizo Shield

    Total Horticultural Concentrate Rhizo Sheild is a natural form of microbial, derived in part from naturally occurring plant extracts. Rhizo Shield ...

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    Original price $42.95 - Original price $412.50
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    Current price $42.95
  • Australia's Best Hydroponics Store Online | GT Optimum | Highest Possible Standard
    Original price $27.50 - Original price $231.00
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    GT Optimum

    Formulated by internationally renowned chemist Carl Barry, Optimum is one of Australia’s most trusted two-part nutrients. It has been calculated to...

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    Original price $27.50 - Original price $231.00
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    $27.50 - $231.00
    $27.50 - $231.00
    Current price $27.50
  • Australia's Best Hydroponics Store Online | GroTek Monster Grow | Vigorous Plant Growth
    Original price $28.55 - Original price $285.94
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    GroTek Monster Grow

      Monster Grow™ Pro is formulated with nutrient ratios to support lush green growth, improved root development, and stronger plant structure. Thi...

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    Original price $28.55 - Original price $285.94
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    $28.55 - $285.94
    $28.55 - $285.94
    Current price $28.55
  • Australia's Best Hydroponics Store Online | Grotek Vegetative Growth Booster | Fast Acting Nitrogen
    Original price $24.99 - Original price $214.99
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    $24.99 - $214.99
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    Current price $24.99

    Grotek Vegetative Growth Booster

    Growth Booster™ is a fully soluble, high nitrogen and phosphorus fertilizer for vigorous vegetative growth. Supplementing your existing fertility ...

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    Original price $24.99 - Original price $214.99
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    Current price $24.99
  • Australia's Best Hydroponics Store Online | Grotek Pro Silicate | Strengthen Cell Walls
    Original price $19.99 - Original price $114.99
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    Current price $19.99

    Grotek Pro Silicate

      With a high concentration of soluble potash and silica, Pro-Silicate™ was developed for use in soilless media and hydroponic systems where thes...

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    Original price $19.99 - Original price $114.99
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    $19.99 - $114.99
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    Current price $19.99
  • Australia's Best Hydroponics Store Online | Grotek Insta Green | High Yielding Growth
    Original price $19.99 - Original price $54.99
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    Current price $19.99

    Grotek Insta Green

      Insta-Green™ is focused on restoring the green to nutrient-deficient plants. Its fast-acting impact provides a quick turnaround into high-yield...

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    Original price $19.99 - Original price $54.99
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  • Original price $19.99 - Original price $49.99
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    Grotek Final Flush

      Available in 6 scents, Final Flush™ is formulated to remove excess salt from growing media to ensure a cleaner tasting harvest. Plants tend to ...

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    Original price $19.99 - Original price $49.99
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  • Australia's Best Hydroponics Store Online | Grotek Carbo Max | Ripening Stage
    Original price $17.99 - Original price $54.99
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    Grotek Carbo Max

      Simple sugars are a great way to impact the root zone of plants and provide the energy required to produce a quality harvest. Carbo-Max™ is bas...

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    Original price $17.99 - Original price $54.99
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  • Australia's Best Hydroponics Store Online | Grotek Cal-Max | Added Calcium Nutrient
    Original price $19.99 - Original price $149.99
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    Grotek Cal-Max

      Cal-Max™ works to charge soilless media and bring plants back from common minor nutrient deficiencies resulting from nutrient imbalance, rapid ...

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    Original price $19.99 - Original price $149.99
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  • Australia's Best Hydroponics Store Online | Grotek Bud Fuel Pro 4L | Pre Flower & Early Bloom
    Original price $89.99 - Original price $89.99
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    $89.99
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    Current price $89.99

    Grotek Bud Fuel Pro 4L

      This formula optimizes soil nutrient conditions for improved flower development and root structure.  By ensuring nutrient availability, Bud Fue...

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    Original price $89.99 - Original price $89.99
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    $89.99
    $89.99 - $89.99
    Current price $89.99
  • Australia's Best Hydroponics Store Online Grotek Bud Fuel | Support Flower Development
    Original price $34.95 - Original price $219.99
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    Current price $34.95

    Grotek Bud Fuel

      The nutrients in this formula help support flower development and overall root structure. Using during pre-flower and through early bloom devel...

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    Original price $34.95 - Original price $219.99
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    $34.95 - $219.99
    $34.95 - $219.99
    Current price $34.95
  • Australia's Best Hydroponics Store Online | Emerald Harvest Sturdy Stalk | Extra K
    Original price $54.00 - Original price $549.00
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    Current price $54.00

    Emerald Harvest Sturdy Stalk

    Sturdy Stalk | 0-0-1 Derived from potassium silicate. Also contains non-plant food ingredients:0.4% silica derived from potassium silicate Stren...

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    Original price $54.00 - Original price $549.00
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    $54.00 - $549.00
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    Current price $54.00
  • Australia's Best Hydroponics Store Online | Emerald Harvest Root Wizard | Root Application
    Original price $139.99 - Original price $1,379.00
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    $139.99 - $1,379.00
    $139.99 - $1,379.00
    Current price $139.99

    Emerald Harvest Root Wizard

    Root Wizard Derived from magnesium nitrate, monopotassium phosphate, and potassium sulfate. Enhance root vigor and boost nutrient uptake with si...

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    Original price $139.99 - Original price $1,379.00
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    $139.99 - $1,379.00
    $139.99 - $1,379.00
    Current price $139.99
  • Australia's Best Hydroponics Store Online | Emerald Harvest King Kola | Bigger Profits
    Original price $59.99 - Original price $1,299.00
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    $59.99 - $1,299.00
    Current price $59.99

    Emerald Harvest King Kola

    King Kola | 0.3-2-3 Derived from potassium sulfate, monopotassium phosphate, monoammonium phosphate, and hemp seed flour. Get the most out of ev...

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    Original price $59.99 - Original price $1,299.00
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    Current price $59.99
  • Australia's Best Hydroponics Store Online | Emerald Harvest Honey Chome | Plump Up Roots
    Original price $59.00 - Original price $849.00
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    Current price $59.00

    Emerald Harvest Honey Chome

    Honey Chome | 0.5-0.5-1 Derived from magnesium nitrate, monopotassium phosphate, and potassium sulfate. Also contains non-plant food ingredients...

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    Original price $59.00 - Original price $849.00
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    $59.00 - $849.00
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    Current price $59.00
  • Australia's Best Hydroponics Store Online | Emerald Harvest Grow Micro Bloom Kick Start 3 Part 0.95L
    Original price $399.00 - Original price $399.00
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    $399.00
    $399.00 - $399.00
    Current price $399.00

    Emerald Harvest Grow Micro Bloom Kick Start 3 Part 0.95L

      If it’s not grown with Emerald Harvest, it’s not an Emerald Harvest. This ultimate 3-part hydroponics starter kit features the easy-to-use Grow...

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    Original price $399.00 - Original price $399.00
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    $399.00
    $399.00 - $399.00
    Current price $399.00
  • Australia's Best Hydroponics Store Online | Emerald Harvest Emerald Goddess | Make Roots More Resilient
    Original price $69.00 - Original price $1,299.00
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    $69.00 - $1,299.00
    $69.00 - $1,299.00
    Current price $69.00

    Emerald Harvest Emerald Goddess

    Emerald Goddess | 2-1-4 Derived from potassium nitrate, monopotassium phosphate, urea, kelp extract and alfalfa meal. Also contains non-plant fo...

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    Original price $69.00 - Original price $1,299.00
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    Current price $69.00