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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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  • Growcentia - Mammoth P (Beneficial Microbes) 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
  • Maxibright - Maxiswitch Pro - Solo Timer

    Maxibright - Maxiswitch Pro - Solo Timer

    Maxibright - Maxiswitch Pro - Solo Timer

    Regular price £9.98 GBP
    Regular price Sale price £9.98 GBP
  • BOYU - Adjustable Pumps BOYU - Adjustable Pumps

    BOYU - Adjustable Pumps

    BOYU - Adjustable Pumps

    Regular price From £7.00 GBP
    Regular price Sale price From £7.00 GBP
  • Fox - Extractor Fan (Various Sizes)

    Fox - Extractor Fan (Various Sizes)

    Fox - Extractor Fan (Various Sizes)

    Regular price From £98.95 GBP
    Regular price Sale price From £98.95 GBP
  • Plant Support Cages Plant Support Cages

    Plant Support Cages

    Plant Support Cages

    Regular price £5.00 GBP
    Regular price Sale price £5.00 GBP
  • Grow Bitz - Green Box Stretch Scrog Netting

    Grow Bitz - Green Box Stretch Scrog Netting

    Grow Bitz - Green Box Stretch Scrog Netting

    Regular price From £9.99 GBP
    Regular price Sale price From £9.99 GBP
  • LUMii Extension/Link Lead - 5m IEC C13 - C14

    LUMii Extension/Link Lead - 5m IEC C13 - C14

    LUMii Extension/Link Lead - 5m IEC C13 - C14

    Regular price £11.50 GBP
    Regular price Sale price £11.50 GBP
  • Shogun - Geisha - Foliar Spray Shogun - Geisha (Plant Health) Folia Spray

    Shogun - Geisha (Plant Health) Folia Spray

    Shogun - Geisha (Plant Health) Folia Spray

    Regular price £9.95 GBP
    Regular price Sale price £9.95 GBP
  • Plagron - Power Buds (Speeds up Flowering)

    Plagron - Power Buds (Speeds up Flowering)

    Sale

    Plagron - Power Buds (Speeds up Flowering)

    Regular price From £19.99 GBP
    Regular price £25.00 GBP Sale price From £19.99 GBP
    Sale
  • Omega Black - 720w LED (LED Lighting Fixture) Omega Black - 720w LED (LED Lighting Fixture)

    Omega Black - 720w LED (LED Lighting Fixture)

    Omega Black - 720w LED (LED Lighting Fixture)

    Regular price From £290.00 GBP
    Regular price Sale price From £290.00 GBP
  • Jiffy PRO7 ALL+ mix - 50L bag

    Jiffy PRO7 ALL+ mix - 50L bag

    Jiffy PRO7 ALL+ mix - 50L bag

    Regular price £13.00 GBP
    Regular price Sale price £13.00 GBP
  • HydroTops - Bioponics: Grow Hydro (A & B set) (HW) HydroTops - Bioponics: Grow Hydro (A & B set) (HW)

    HydroTops - Bioponics: Grow Hydro (A & B set) (HW)

    Sale

    HydroTops - Bioponics: Grow Hydro (A & B set) (HW)

    Regular price From £2.50 GBP
    Regular price £19.99 GBP Sale price From £2.50 GBP
    Sale
  • RAM - 12L DEHUMIDIFIER - 12L/DAY RAM - 12L DEHUMIDIFIER - 12L/DAY

    RAM - 12L DEHUMIDIFIER - 12L/DAY

    RAM - 12L DEHUMIDIFIER - 12L/DAY

    Regular price £165.99 GBP
    Regular price Sale price £165.99 GBP
  • EazyPlug Tray x 77 (Organic Dry - 1 tray) - Propagation Growing Media)

    EazyPlug Tray x 77 (Organic Dry - 1 tray) - Propagation Growing Media)

    Sale

    EazyPlug Tray x 77 (Organic Dry - 1 tray) - Propagation Growing Media)

    Regular price £11.99 GBP
    Regular price £14.99 GBP Sale price £11.99 GBP
    Sale
  • PLANT!T - Flexible Tank PLANT!T - Flexible Tank

    PLANT!T - Flexible Tank

    PLANT!T - Flexible Tank

    Regular price From £52.99 GBP
    Regular price Sale price From £52.99 GBP
  • Growth Technology - Clonex Pro Start - 3 In 1 Nutrient Growth Technology - Clonex Pro Start - 3 In 1 Nutrient

    Growth Technology - Clonex Pro Start - 3 In 1 Nutrient

    Growth Technology - Clonex Pro Start - 3 In 1 Nutrient

    Regular price From £8.50 GBP
    Regular price Sale price From £8.50 GBP
  • AC Infinity -Cloudray A9 - Grow Tent Clip on fan

    AC Infinity -Cloudray A9 - Grow Tent Clip on fan

    AC Infinity -Cloudray A9 - Grow Tent Clip on fan

    Regular price £74.99 GBP
    Regular price Sale price £74.99 GBP
  • 13mm Standard Barb End Plug - Irrigation Fitting

    13mm Standard Barb End Plug - Irrigation Fitting

    13mm Standard Barb End Plug - Irrigation Fitting

    Regular price £0.50 GBP
    Regular price Sale price £0.50 GBP
  • Dr Hydro - Mildwe Protection Spray - 500ml Dr Hydro - Mildew Protection Spray (500ml)

    Dr Hydro - Mildew Protection Spray (500ml)

    Dr Hydro - Mildew Protection Spray (500ml)

    Regular price £44.99 GBP
    Regular price Sale price £44.99 GBP
  • Growth Technology - Nitrozyme Growth Technology - Nitrozyme

    Growth Technology - Nitrozyme

    Growth Technology - Nitrozyme

    Regular price £9.01 GBP
    Regular price Sale price £9.01 GBP
  • Mills Nutrients - Start-R - Root Enhancer - 5 Litres Mills - Start R (Root Stimulant)

    Mills - Start R (Root Stimulant)

    Sale

    Mills - Start R (Root Stimulant)

    Regular price From £14.95 GBP
    Regular price £18.00 GBP Sale price From £14.95 GBP
    Sale
  • Plagron Mega Worm Plagron Mega Worm

    Plagron Mega Worm

    Plagron Mega Worm

    Regular price From £3.50 GBP
    Regular price Sale price From £3.50 GBP
  • Plagron - Power Roots (Promotes root growth and boosts resistance)

    Plagron - Power Roots (Promotes root growth and boosts resistance)

    Plagron - Power Roots (Promotes root growth and boosts resistance)

    Regular price £21.99 GBP
    Regular price Sale price £21.99 GBP
  • Hozelock Tricoflex Ultraflex Hose, Yellow, 12.5 mm x 10 m

    Hozelock Tricoflex Ultraflex Hose, Yellow, 12.5 mm x 10 m

    Hozelock Tricoflex Ultraflex Hose, Yellow, 12.5 mm x 10 m

    Regular price £19.99 GBP
    Regular price Sale price £19.99 GBP
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