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We are Proud Stockists of your Favorite Feeds & Additives.

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Black Flag Horticulture
  • Home
  • Bundle Deals
  • Growing Media
    • Coco Substrates
    • Soil Substrates
    • Rockwool & Jiffy Plugs
    • All Growing Media
  • Propagation
    • Propagators
    • Rockwool & Plugs
    • Rooting Agents
  • Environments
    • Propagation Grow Tents
    • Lighthouse Tents
    • Environments Accessories
  • Climate
    • Ducting & Accessories
    • Extraction & Filtering
    • Fans
    • Sheeting
    • Tapes
    • Temperature Control
    • Humidity Control
    • Odour Control
    • Metal Work
  • Lights
    • LED Grow Lights
    • Grow Lights
    • Grow Light Accessories
    • Shop All
  • Nutrients
    • Base Feeds
    • Root Development
    • Veg Boosters
    • Enzymes
    • Mag/Cal
    • Flowering Boosters
    • P.K
    • Plant Finishers
    • pH Regulators
    • Silicon
  • Organics
    • Organic Nutrients
    • Organic Growing Media
    • Organic Plant Additives
  • Irrigation
    • Connectors
    • Pipes
    • Chillers
  • Plant Health
    • Pest & Disease Control
    • Plant Health
  • Pots & Trays
    • Plant Pots
    • Fabric Plant Pots
    • Saucers
  • Tools
    • Tanks & Reservoirs
    • Measuring Tools
    • Plant Support
    • Magical Butter Machine
    • Harvesting
    • Metering & Timers
    • Spray Bottles & Pumpers
    • All Tools & Accessories
  • Catalogue
    • Shop All
    • Brands
    • All Collections
  • Information
    • About Us
    • Contact Us
    • New & Updates
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    • MUSHBAG GROW GUIDE
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  • Atami - Cocos Substrate 50L: X2 Hydroponics Coco Mix Growing Media

    Atami - Cocos Substrate 50L: X2 Hydroponics Coco Mix Growing Media

    Sale

    Atami - Cocos Substrate 50L: X2 Hydroponics Coco Mix Growing Media

    Regular price £26.00 GBP
    Regular price £30.00 GBP Sale price £26.00 GBP
    Sale
  • Plant Magic - Platinum PK 9/18 - 500ml Plant Magic - Platinum PK 9/18 (PK Booster)

    Plant Magic - Platinum PK 9/18 (PK Booster)

    Plant Magic - Platinum PK 9/18 (PK Booster)

    Regular price From £31.64 GBP
    Regular price Sale price From £31.64 GBP
  • Dr Hydro - Fungus Gnat - 500ml Dr Hydro - Fungus Gnat protection media drench (500ml)

    Dr Hydro - Fungus Gnat protection media drench (500ml)

    Dr Hydro - Fungus Gnat protection media drench (500ml)

    Regular price £39.99 GBP
    Regular price Sale price £39.99 GBP
  • Essentials PLUS - SILICON Essentials PLUS - SILICON

    Essentials PLUS - SILICON

    Essentials PLUS - SILICON

    Regular price From £2.99 GBP
    Regular price Sale price From £2.99 GBP
  • Essentials LAB - Buffer 7 Essentials LAB - Buffer 7

    Essentials LAB - Buffer 7

    Essentials LAB - Buffer 7

    Regular price £5.00 GBP
    Regular price Sale price £5.00 GBP
  • Metal Work - 90 Degree Elbow Metal Work - 90 Degree Elbow

    Metal Work - 90 Degree Elbow

    Metal Work - 90 Degree Elbow

    Regular price From £4.80 GBP
    Regular price Sale price From £4.80 GBP
  • RAM - Bug Barrier RAM - Bug Barrier

    RAM - Bug Barrier

    RAM - Bug Barrier

    Regular price From £4.95 GBP
    Regular price Sale price From £4.95 GBP
  • Metal Work - Male Coupling Metal Work - Male Coupling

    Metal Work - Male Coupling

    Metal Work - Male Coupling

    Regular price From £1.30 GBP
    Regular price Sale price From £1.30 GBP
  • Canna - Terra Flores - 10 Litres Canna - Terra: Flores - Soil Base Feed

    Canna - Terra: Flores - Soil Base Feed

    Canna - Terra: Flores - Soil Base Feed

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • LuMii Black - Electronic Kit (Grow Light Kit)

    LuMii Black - Electronic Kit (Grow Light Kit)

    LuMii Black - Electronic Kit (Grow Light Kit)

    Regular price £64.95 GBP
    Regular price Sale price £64.95 GBP
  • Garland - 20m Garden Wire Garland - 20m Garden Wire

    Garland - 20m Garden Wire

    Garland - 20m Garden Wire

    Regular price £12.00 GBP
    Regular price Sale price £12.00 GBP
  • BioBizz - Bio Bloom - 1 Litre Biobizz - Bio Bloom - Base Feed

    Biobizz - Bio Bloom - Base Feed

    Biobizz - Bio Bloom - Base Feed

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Atami Bloombastic - Flowering Booster - 325ml Atami - Bloombastic - The ‘Bling Bling’ for your plants!

    Atami - Bloombastic - The ‘Bling Bling’ for your plants!

    Sale

    Atami - Bloombastic - The ‘Bling Bling’ for your plants!

    Regular price From £47.99 GBP
    Regular price £55.19 GBP Sale price From £47.99 GBP
    Sale
  • Biobizz - Worm-Humus

    Biobizz - Worm-Humus

    Biobizz - Worm-Humus

    Regular price From £3.50 GBP
    Regular price Sale price From £3.50 GBP
  • Tornado - Box Fan Tornado - Box Fan

    Tornado - Box Fan

    Tornado - Box Fan

    Regular price From £159.99 GBP
    Regular price Sale price From £159.99 GBP
  • Plant Magic - Soil: Bloom (Base Feed) Plant Magic - Soil Bloom - 1 Litre

    Plant Magic - Soil: Bloom (Base Feed)

    Plant Magic - Soil: Bloom (Base Feed)

    Regular price From £13.95 GBP
    Regular price Sale price From £13.95 GBP
  • Grow Tools - Vacuum Bags - Grow Tools - Vacuum Bags -

    Grow Tools - Vacuum Bags -

    Sale

    Grow Tools - Vacuum Bags -

    Regular price From £1.49 GBP
    Regular price £20.00 GBP Sale price From £1.49 GBP
    Sale
  • Koppert - Spical Plus - Spidermite Predators Sachets

    Koppert - Spical Plus - Spidermite Predators Sachets

    Sale

    Koppert - Spical Plus - Spidermite Predators Sachets

    Regular price £1.25 GBP
    Regular price £1.50 GBP Sale price £1.25 GBP
    Sale
  • Organ-X - Red Mite & Insect Killer - Mini Smoke Bomb (Spider Mite) Organ-X - Red Mite & Insect Killer - Mini Smoke Bomb (Spider Mite)

    Organ-X - Red Mite & Insect Killer - Mini Smoke Bomb (Spider Mite)

    Organ-X - Red Mite & Insect Killer - Mini Smoke Bomb (Spider Mite)

    Regular price £8.50 GBP
    Regular price Sale price £8.50 GBP
  • RAM - AIR-PRO II Fan Speed Controller RAM - AIR-PRO II Fan Speed Controller

    RAM - AIR-PRO II Fan Speed Controller

    RAM - AIR-PRO II Fan Speed Controller

    Regular price £135.00 GBP
    Regular price Sale price £135.00 GBP
  • FLIRmask Thermal Reflection Sheeting

    FLIRmask Thermal Reflection Sheeting

    FLIRmask Thermal Reflection Sheeting

    Regular price £13.00 GBP
    Regular price Sale price £13.00 GBP
  • Jiffy - 84 Cell Tray Jiffy - 84 Cell Tray

    Jiffy - 84 Cell Tray

    Jiffy - 84 Cell Tray

    Regular price £3.00 GBP
    Regular price Sale price £3.00 GBP
  • Growth Technology - Clonex Mist (Concentrate) Growth Technology - Clonex Mist (Concentrate)

    Growth Technology - Clonex Mist (Concentrate)

    Growth Technology - Clonex Mist (Concentrate)

    Regular price £12.95 GBP
    Regular price Sale price £12.95 GBP
  • 4 Gang Extension Lead 2.0m (No Light) 4 Gang Extension Lead 2.0m (No Light)

    4 Gang Extension Lead 2.0m (No Light)

    4 Gang Extension Lead 2.0m (No Light)

    Regular price £9.95 GBP
    Regular price Sale price £9.95 GBP
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