Growth Stimulators

  • Athena Pro Mix Kit 3-part liquid fertilizer system in its original white retail packaging, featuring Grow, Core, and Bloom containers.Athena Pro Mix Kit 2.5 Gallon Bloom nutrient being dispensed in a professional facility by SteelRoots Garden Supplies
    Athena Pro Mix Kit 3-part liquid fertilizer system in its original white retail packaging, featuring Grow, Core, and Bloom containers.Athena Pro Mix Kit 2.5 Gallon Bloom nutrient being dispensed in a professional facility by SteelRoots Garden Supplies
    ATHENA

    Athena Pro Mix Kit 2.5 Gallon – Core, Grow & Bloom

    £187.99
    £187.99

    Athena Pro Mix Kit 2.5 Gallon – Core, Grow & Bloom Concentrate System Athena Pro Mix Kit 2.5 Gallon is the larger professional version of Athena's...
  • Three packages of Athena Core Soluble Base Fertilizer 14-0-0, including a large 10 lb box and two smaller 2 lb bags, arranged on a white background.Athena Pro Core Soluble Calcium & Nitrogen Base Fertiliser
    Three packages of Athena Core Soluble Base Fertilizer 14-0-0, including a large 10 lb box and two smaller 2 lb bags, arranged on a white background.Athena Pro Core Soluble Calcium & Nitrogen Base Fertiliser
    Athena Pro Core Soluble Calcium & Nitrogen Base Fertiliser
    Athena Pro Core Soluble Calcium & Nitrogen Base Fertiliser
    Athena Pro Core Soluble Calcium & Nitrogen Base Fertiliser
    Save £7.00
    ATHENA

    Athena Pro Core Soluble Calcium & Nitrogen Base Fertiliser

    £21.95
    £21.95 £28.95
    £24.39 kg

    Athena Pro Core – Soluble Calcium, Nitrogen & Micronutrient Fertiliser Athena Pro Core is the foundational dry mineral fertiliser in the Athena Pro Line, providing readily...

    Size: 2 Lb | 900g
  • Athena Pro Grow 2-8-20 vegetative fertiliser size rangeAthena Pro Grow 2-8-20 soluble vegetative fertiliser being mixed into a stock solution by SteelRoots
    Athena Pro Grow 2-8-20 vegetative fertiliser size rangeAthena Pro Grow 2-8-20 soluble vegetative fertiliser being mixed into a stock solution by SteelRoots
    Athena Pro Grow 2-8-20 soluble vegetative fertiliser 5 lb 2.26 kg bagAthena Pro Grow 2-8-20 soluble vegetative fertiliser being mixed into a stock solution by SteelRoots
    Athena Pro Grow 2-8-20 soluble vegetative fertiliser 10 lb 4.54 kg boxAthena Pro Grow 2-8-20 soluble vegetative fertiliser being mixed into a stock solution by SteelRoots
    Athena Pro Grow 2-8-20 soluble vegetative fertiliser 25 lb 11.34 kg bagAthena Pro Grow 2-8-20 soluble vegetative fertiliser being mixed into a stock solution by SteelRoots
    Save £15.55
    ATHENA

    Athena Pro Grow 2-8-20 Soluble Vegetative Fertiliser

    £21.95
    £21.95 £37.50
    £24.39 kg

    Athena Pro Grow 2-8-20 – Professional Soluble Vegetative Fertiliser Athena Pro Grow is a fully water-soluble dry mineral fertiliser developed specifically for the vegetative growth stage....

    sizes: 2 Lb | 900g
  • A white plastic bottle of Canna Silica 2-in-1 formula by CannaA bottle of Canna Silica liquid fertilizer by Canna, featuring a white cap and a label with a leaf pattern in orange, purple, and teal. The bottle is overlaid with a large 'Steel Roots Garden Supplies' logo and is set against a background of green leaves and dark bokeh lights.
    A white plastic bottle of Canna Silica 2-in-1 formula by CannaA bottle of Canna Silica liquid fertilizer by Canna, featuring a white cap and a label with a leaf pattern in orange, purple, and teal. The bottle is overlaid with a large 'Steel Roots Garden Supplies' logo and is set against a background of green leaves and dark bokeh lights.
    CANNA

    CANNA Silica | Premium Silicon Fertilizer for Plants

    £18.95
    £18.95

    Boost your crop’s natural defences with CANNA Silica, a premium silicon plant fertilizer engineered to build thick stems, rigid leaves, and unmatched environmental resilience. This professional-grade...
  • Athena Blended Line Grow A & B Liquid NutrientAthena Blended Line Grow A & B Liquid Nutrient
    Athena Blended Line Grow A & B Liquid Nutrient
    Athena Blended Line Grow A & B 1 Gallon two-part vegetative nutrient setAthena Blended Line Grow A & B Liquid Nutrient
    5 Gallon Athena Grow blended 2-part vegetative hydroponic nutrient, labeled A and B, on a clean white background.Athena Blended Line Grow A & B Liquid Nutrient
    Save £17.05
    ATHENA

    Athena Blended Line Grow A & B Liquid Nutrient

    £22.95
    £22.95 £40.00

    Athena Blended Line Grow A & B is a professional two-part liquid mineral fertiliser formulated for plants during the vegetative growth stage. Designed for precision horticulture,...

    Size: 1 QT
  • Evoponic Super Rootz | Concentrated Rhizosphere Root Stimulant
    EVOPONIC

    Evoponic Super Rootz | Concentrated Rhizosphere Root Stimulant

    £15.95
    £15.95

    super rootz Supercharge growth below ground A genuinely turbo-charged formulaSpeed-up root growth with increased water & nutrient uptake thanks to longer, heavier and more efficient roots....

    Size: 250ML
  • Nutrifield Si-Phi Plant Biostimulant | Premium Silicate & Phosphite SupplementNutrifield Si-Phi Plant Biostimulant | Premium Silicate & Phosphite Supplement
    Nutrifield Si-Phi Plant Biostimulant | Premium Silicate & Phosphite Supplement
    Nutrifield Si-Phi Plant Biostimulant | Premium Silicate & Phosphite Supplement
    Nutrifield Si-Phi Plant Biostimulant | Premium Silicate & Phosphite Supplement
    NUTRIFIELD

    Nutrifield Si-Phi Plant Biostimulant | Premium Silicate & Phosphite Supplement

    £12.00
    £12.00

    Si-Phi By Nutrifield The R&D team at Nutrifield have come up with another solid and simple to use product once again with this synthetic blend of...

    Size: 250ML
  • Evoponic Elixir Steroids | Extreme Plant Metabolism Stimulator
    EVOPONIC

    Evoponic Elixir Steroids | Extreme Plant Metabolism Stimulator

    £22.95
    £22.95

    ELIXIR STEROIDS by EVOPONIC EVOPONIC ELIXIR STEROIDS formula will help to maximise the Strength and promote a rapid-growth rate of your plants.The formula will Increase plant strength during...

    Size: 250ML
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