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Hydroponic Additives

Hydroponic additives are essential for infusing your medium with vital acids and minerals that your plants are not receiving from nutrient pre-mixes.

While there are numerous nutrient products on the market that do offer complete solutions for your plants, this is not invariably the case. Supplementation with additives at particular points in the growth cycle can still be a crucial condition for securing the flourishing of your plants - especially where your plants are missing out on these fundamental elements in your nutrient mix.

Hydroponic Additives
  • Additives - Green Planet Pro Cal
    Original price $18.00 - Original price $228.00
    Original price
    $18.00 - $228.00
    $18.00 - $228.00
    Current price $18.00

    Green Planet Pro Cal

    Pro Cal is the ultimate in calcium magnesium supplementation and should be used on a regular basis with your Green Planet nutrient program. Pro Cal...

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    Original price $18.00 - Original price $228.00
    Original price
    $18.00 - $228.00
    $18.00 - $228.00
    Current price $18.00
  • Additives - Green Planet Vitathrive
    Original price $60.00 - Original price $3,275.00
    Original price
    $60.00 - $3,275.00
    $60.00 - $3,275.00
    Current price $60.00

    Green Planet Vitathrive

    Vitathrive is a comprehensive blend of carefully selected vitamins and minerals designed to reduce plant stress while supporting essential functio...

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    Original price $60.00 - Original price $3,275.00
    Original price
    $60.00 - $3,275.00
    $60.00 - $3,275.00
    Current price $60.00
  • Hydroponic Nutrient - Green Planet Massive Bloom   Formulation
    Original price $19.95 - Original price $1,700.00
    Original price
    $19.95 - $1,700.00
    $19.95 - $1,700.00
    Current price $19.95

    Green Planet Massive Bloom Formulation

    Massive Bloom Formulation incorporates naturally occurring gibberellic hormones designed to increase internodal spacing allowing more room for the ...

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    Original price $19.95 - Original price $1,700.00
    Original price
    $19.95 - $1,700.00
    $19.95 - $1,700.00
    Current price $19.95
  • Additives - Green Planet Rezin
    Original price $49.95 - Original price $3,110.00
    Original price
    $49.95 - $3,110.00
    $49.95 - $3,110.00
    Current price $49.95

    Green Planet Rezin

    What Does Green Planet REZIN Do? REZIN was formulated to enhance the natural processes within your flowering plants that produce flavour and aroma....

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    Original price $49.95 - Original price $3,110.00
    Original price
    $49.95 - $3,110.00
    $49.95 - $3,110.00
    Current price $49.95
  • Additives - Green Planet PK Spike
    Original price $34.95 - Original price $379.95
    Original price
    $34.95 - $379.95
    $34.95 - $379.95
    Current price $34.95

    Green Planet PK Spike

    PK Spike is engineered for the serious grower. Derived from multiple, highly-soluble sources of phosphorus and potassium, this product is designed...

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    Original price $34.95 - Original price $379.95
    Original price
    $34.95 - $379.95
    $34.95 - $379.95
    Current price $34.95
  • Additives - Athena Cleanse
    Original price $44.95 - Original price $124.95
    Original price
    $44.95 - $124.95
    $44.95 - $124.95
    Current price $44.95

    Athena Cleanse

    Athena Cleanse increases the Oxidation-Reduction Potential (ORP) of water. ORP indicates the water’s ability to clean itself, without the need for ...

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    Original price $44.95 - Original price $124.95
    Original price
    $44.95 - $124.95
    $44.95 - $124.95
    Current price $44.95
  • Additives - Green Planet Plant Guard
    Original price $49.95 - Original price $399.95
    Original price
    $49.95 - $399.95
    $49.95 - $399.95
    Current price $49.95

    Green Planet Plant Guard

    PLANT GUARD is a potassium silicate supplement, which may increase the rigidity of your plant’s cell walls.

    Original price $49.95 - Original price $399.95
    Original price
    $49.95 - $399.95
    $49.95 - $399.95
    Current price $49.95
  • Additives - Aptus FASILITOR
    Original price $65.00 - Original price $2,100.00
    Original price
    $65.00 - $2,100.00
    $65.00 - $2,100.00
    Current price $65.00

    Aptus FASILITOR

    As the flagship of the Aptus product lineup, Fasilitor is extremely concentrated, pure, and fast-acting. While it is a silica-based solution, it is...

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    Original price $65.00 - Original price $2,100.00
    Original price
    $65.00 - $2,100.00
    $65.00 - $2,100.00
    Current price $65.00
  • PH Down - Hy-Gen PH Down (Phosphoric Acid)
    Original price $10.95 - Original price $25.00
    Original price
    $10.95 - $25.00
    $10.95 - $25.00
    Current price $10.95

    Hy-Gen pH Down (Phosphoric Acid)

    PLEASE NOTE:pH Down is classed as a dangerous good which attracts extra freight charges by our couriers.Please select the "Dangerous Goods Shippi...

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    Original price $10.95 - Original price $25.00
    Original price
    $10.95 - $25.00
    $10.95 - $25.00
    Current price $10.95
  • Additives - CANNA Cannazym
    Original price $23.95 - Original price $380.00
    Original price
    $23.95 - $380.00
    $23.95 - $380.00
    Current price $23.95

    CANNA Cannazym

    CANNAZYM is a high-quality enzyme product. It consists of more than 12 different kinds of enzymes to which vitamins and extracts of desert plants a...

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    Original price $23.95 - Original price $380.00
    Original price
    $23.95 - $380.00
    $23.95 - $380.00
    Current price $23.95
  • Additives - MED-TEK Connoisseur Blooms
    Original price $69.00 - Original price $265.00
    Original price
    $69.00 - $265.00
    $69.00 - $265.00
    Current price $69.00

    MED-TEK Connoisseur Blooms

    Oozing Goodness! Heavier harvests with higher resin production Connoisseur Blooms brings out the best in your crop through utilizing carefully se...

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    Original price $69.00 - Original price $265.00
    Original price
    $69.00 - $265.00
    $69.00 - $265.00
    Current price $69.00
  • Additives - Athena Balance
    Original price $34.95 - Original price $79.95
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    $34.95 - $79.95
    $34.95 - $79.95
    Current price $34.95

    Athena Balance

    Athena Balance is a simple formula of potassium silicate specifically concentrated to buffer irrigation water and stabilize to ideal pH. Silicon ad...

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    Original price $34.95 - Original price $79.95
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    $34.95 - $79.95
    $34.95 - $79.95
    Current price $34.95
  • General - Aptus MASSBOOST
    Original price $80.00 - Original price $1,115.00
    Original price
    $80.00 - $1,115.00
    $80.00 - $1,115.00
    Current price $80.00

    Aptus MASSBOOST

    MassBoost is an organo-mineral plant booster that prevents Calcium (Ca) and Magnesium (Mg) deficiencies while stimulating powerful fruit set and...

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    Original price $80.00 - Original price $1,115.00
    Original price
    $80.00 - $1,115.00
    $80.00 - $1,115.00
    Current price $80.00
  • Additives - Southern No-Til WORM CASTINGS

    Heavy Product Shipping Charges Apply

    Original price $48.00 - Original price $48.00
    Original price
    $48.00
    $48.00 - $48.00
    Current price $48.00

    Southern No-Till WORM CASTINGS

    High-quality worm castings, lightly blended with aged worm bedding to prolong biological viability and ease of handling. These worm castings will m...

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    Heavy Product Shipping Charges Apply

    Original price $48.00 - Original price $48.00
    Original price
    $48.00
    $48.00 - $48.00
    Current price $48.00
  • Hydroponic Nutrient - Flairform Gro Storm
    Original price $29.95 - Original price $129.95
    Original price $29.95
    $29.95 - $129.95
    $29.95 - $129.95
    Current price $29.95

    Flairform Gro Storm

    GroStorm The All-in-One organic additive GroStorm includes kelp, fulvic & humic acid, plus natural vitamins.  Most brands ‘package’ these elem...

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    Original price $29.95 - Original price $129.95
    Original price $29.95
    $29.95 - $129.95
    $29.95 - $129.95
    Current price $29.95
  • Hydroponic Nutrient - Aptus BLOOMBOOST
    Original price $52.00 - Original price $1,750.00
    Original price
    $52.00 - $1,750.00
    $52.00 - $1,750.00
    Current price $52.00

    Aptus BLOOMBOOST

    Aptus Bloomboost is an additive used throughout the entirety of the fruiting and flowering periods of a plants lifespan. Bloomboost contains a b...

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    Original price $52.00 - Original price $1,750.00
    Original price
    $52.00 - $1,750.00
    $52.00 - $1,750.00
    Current price $52.00
  • Additives - Med-Tek Cal Mag Micro
    Original price $40.00 - Original price $470.00
    Original price
    $40.00 - $470.00
    $40.00 - $470.00
    Current price $40.00

    Med-Tek Cal Mag Micro

    Cal Mag Micro provides the supplemental elements necessary to boost plant nutrition and/or to correct nutrient deficiency problems. A concentrated ...

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    Original price $40.00 - Original price $470.00
    Original price
    $40.00 - $470.00
    $40.00 - $470.00
    Current price $40.00
  • Additives - MED-TEK PK Elicit
    Original price $34.00 - Original price $140.00
    Original price
    $34.00 - $140.00
    $34.00 - $140.00
    Current price $34.00

    MED-TEK PK Elicit

    Fortified with Iron, Zinc and Boron to promote optimum Flower Development, PK Elicit is a unique PK bloom booster which, besides P and K, incorpora...

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    Original price $34.00 - Original price $140.00
    Original price
    $34.00 - $140.00
    $34.00 - $140.00
    Current price $34.00
  • Additives - Athena PK
    Original price $39.95 - Original price $79.95
    Original price
    $39.95 - $79.95
    $39.95 - $79.95
    Current price $39.95

    Athena PK

    Athena PK is a bloom boosting complement to our 2-part Bloom fertilizers. PK is an essential supplement for the mid- to late flowering phase of hig...

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    Original price $39.95 - Original price $79.95
    Original price
    $39.95 - $79.95
    $39.95 - $79.95
    Current price $39.95
  • Additives - Athena CalMg
    Original price $39.95 - Original price $79.95
    Original price
    $39.95 - $79.95
    $39.95 - $79.95
    Current price $39.95

    Athena CalMg

    Athena CaMg is designed to supplement either of our 2-part liquid base fertilizers. Some cultivars and growing conditions may require higher doses ...

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    Original price $39.95 - Original price $79.95
    Original price
    $39.95 - $79.95
    $39.95 - $79.95
    Current price $39.95
  • Additives - Aptus STARTBOOST
    Original price $45.00 - Original price $1,650.00
    Original price
    $45.00 - $1,650.00
    $45.00 - $1,650.00
    Current price $45.00

    Aptus STARTBOOST

    StartBoost along with Fasilitor is a foundation product of Aptus premium collection. Aptus Startboost consists of two natural ingredients, humic...

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    Original price $45.00 - Original price $1,650.00
    Original price
    $45.00 - $1,650.00
    $45.00 - $1,650.00
    Current price $45.00
  • Additives - Aptus PEAKBOOST
    Original price $28.00 - Original price $860.00
    Original price
    $28.00 - $860.00
    $28.00 - $860.00
    Current price $28.00

    Aptus PEAKBOOST

    Peakboost along with its sibling product Finaleboost make up the Aptus flower development and bulking solution. Perhaps the most noticeable impl...

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    Original price $28.00 - Original price $860.00
    Original price
    $28.00 - $860.00
    $28.00 - $860.00
    Current price $28.00
  • Additives - Grow-Genius Moni-Silicic Acid
    Save up to 40% Save %
    Original price $38.00 - Original price $160.00
    Original price $38.00 - Original price $160.00
    Original price $38.00
    $15.20 - $96.00
    $15.20 - $96.00
    Current price $15.20

    Grow-Genius Moni-Silicic Acid

    Ultra fast acting silicon nutrient - for all plants in all settings ​ Scientifically proven effects  Increased strength, growth rates and yield...

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    Original price $38.00 - Original price $160.00
    Original price $38.00 - Original price $160.00
    Original price $38.00
    $15.20 - $96.00
    $15.20 - $96.00
    Current price $15.20
    Save up to 40% Save %
  • Additives - Professors Extreme Boost
    Original price $40.00 - Original price $69.00
    Original price
    $40.00 - $69.00
    $40.00 - $69.00
    Current price $40.00

    Professors Extreme Boost

    EXTREME BOOST – Bulking/RipeningHeavy fruiting and flowering plants require high levels of Phosphorus and Potassium for larger fruits and flowers.T...

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    Original price $40.00 - Original price $69.00
    Original price
    $40.00 - $69.00
    $40.00 - $69.00
    Current price $40.00