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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
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  • Advanced Nutrients - Big Bud Coco

    Advanced Nutrients - Big Bud® - Coco - Bloom Booster

    Sale

    Advanced Nutrients - Big Bud® - Coco - Bloom Booster

    Regular price £40.95 GBP
    Regular price £43.95 GBP Sale price £40.95 GBP
    Unit price /  per 
    Sale
  • Ona - Gels (400g) (Odour Control)

    Ona - Gels (400g) (Odour Control)

    Ona - Gels (400g) (Odour Control)

    Regular price £9.40 GBP
    Regular price Sale price £9.40 GBP
    Unit price /  per 
  • Extension Lead - IEC To IEC 3

    Extension Lead - IEC To IEC 3

    Extension Lead - IEC To IEC 3

    Regular price £10.00 GBP
    Regular price Sale price £10.00 GBP
    Unit price /  per 
  • Intense Nutrients - Potting Shed: Crazy Chilli - 1 Litre

    Intense Nutrients - Potting Shed: Crazy Chilli

    Intense Nutrients - Potting Shed: Crazy Chilli

    Regular price £11.99 GBP
    Regular price Sale price £11.99 GBP
    Unit price /  per 
  • Intense Nutrients - Potting Shed: Totally Tomato - 1 Litre

    Intense Nutrients - Potting Shed: Totally Tomato

    Intense Nutrients - Potting Shed: Totally Tomato

    Regular price £11.99 GBP
    Regular price Sale price £11.99 GBP
    Unit price /  per 
  • LUMii BLACK² 720 LED Kit (Includes Ballast)

    LUMii BLACK² 720 LED Kit (Includes Ballast)

    Sale

    LUMii BLACK² 720 LED Kit (Includes Ballast)

    Regular price £290.00 GBP
    Regular price £350.00 GBP Sale price £290.00 GBP
    Unit price /  per 
    Sale
  • Lighthouse 2m x 25m Pea Netting - 15cm Mesh

    Lighthouse 2m x 25m Pea Netting - 15cm Mesh

    Lighthouse 2m x 25m Pea Netting - 15cm Mesh

    Regular price £14.95 GBP
    Regular price Sale price £14.95 GBP
    Unit price /  per 
  • Inkbird Digital Temperature Controller 220V Thermostat

    Inkbird Digital Temperature Controller 220V Thermostat

    Inkbird Digital Temperature Controller 220V Thermostat

    Regular price £34.95 GBP
    Regular price Sale price £34.95 GBP
    Unit price /  per 
  • Dr Hydro - Clear Mist - 100ml (Concentrate)

    Dr Hydro - Clear Mist - 100ml (Concentrate)

    Dr Hydro - Clear Mist - 100ml (Concentrate)

    Regular price £10.00 GBP
    Regular price Sale price £10.00 GBP
    Unit price /  per 
  • 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
    Unit price /  per 
  • 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
    Unit price /  per 
  • LightHouse - StretchNet with 4 Hooks

    LightHouse - StretchNet with 4 Hooks

    LightHouse - StretchNet with 4 Hooks

    Regular price £9.95 GBP
    Regular price Sale price £9.95 GBP
    Unit price /  per 
  • Dr Hydro - Spidermite Protection Spray - 500ml

    Dr Hydro - Spidermite Protection Spray (500ml)

    Dr Hydro - Spidermite Protection Spray (500ml)

    Regular price £44.99 GBP
    Regular price Sale price £44.99 GBP
    Unit price /  per 
  • Dr Hydro - Thrips Protection Spray - 500ml

    Dr Hydro - Thrips Protection Spray (500ml)

    Dr Hydro - Thrips Protection Spray (500ml)

    Regular price £44.99 GBP
    Regular price Sale price £44.99 GBP
    Unit price /  per 
  • 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
    Unit price /  per 
  • Boyu - Round Ceramic Air Stones

    Boyu - Round Ceramic Air Stones

    Boyu - Round Ceramic Air Stones

    Regular price From £5.00 GBP
    Regular price Sale price From £5.00 GBP
    Unit price /  per 
  • Advanced Nutrients - OverDrive - 500ml

    Advanced Nutrients - Overdrive® - Finisher/Ripener

    Sale

    Advanced Nutrients - Overdrive® - Finisher/Ripener

    Regular price From £24.05 GBP
    Regular price £28.95 GBP Sale price From £24.05 GBP
    Unit price /  per 
    Sale
  • Vitalink - Coir Max: (A&B set) (Base Feed)

    Vitalink - Coir Max: (A&B set) (Base Feed)

    Vitalink - Coir Max: (A&B set) (Base Feed)

    Regular price From £44.95 GBP
    Regular price Sale price From £44.95 GBP
    Unit price /  per 
  • Intense Nutrients - PK Ultra - Pro Series

    Intense Nutrients - PK Ultra -Pro Series (PK Booster)

    Intense Nutrients - PK Ultra -Pro Series (PK Booster)

    Regular price From £34.95 GBP
    Regular price Sale price From £34.95 GBP
    Unit price /  per 
  • Growcentia - Mammoth P (Beneficial Microbes)

    Growcentia - Mammoth P (Beneficial Microbes)

    Growcentia - Mammoth P (Beneficial Microbes)

    Regular price From £119.99 GBP
    Regular price Sale price From £119.99 GBP
    Unit price /  per 
  • Atami Bloombastic - Flowering Booster - 325ml

    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
    Unit price /  per 
    Sale
  • Atami - Worm Delight - Worm Casting Substrate Additive - 20 Litres

    Atami - Worm Delight (20L)

    Sale

    Atami - Worm Delight (20L)

    Regular price £9.00 GBP
    Regular price £13.00 GBP Sale price £9.00 GBP
    Unit price /  per 
    Sale
  • Field Marshal - Flower Bomb (Weight Gainer)

    Field Marshal - Flower Bomb (Weight Gainer)

    Sale

    Field Marshal - Flower Bomb (Weight Gainer)

    Regular price £100.00 GBP
    Regular price £115.00 GBP Sale price £100.00 GBP
    Unit price /  per 
    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)

    Regular price £8.50 GBP
    Regular price Sale price £8.50 GBP
    Unit price /  per 
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