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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
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  • Super Lumen - 1000w DE Bulb

    Super Lumen - 1000w DE Bulb

    Super Lumen - 1000w DE Bulb

    Regular price £24.95 GBP
    Regular price Sale price £24.95 GBP
  • Cyclone - Wall Fan (16")

    Cyclone - Wall Fan (16")

    Cyclone - Wall Fan (16")

    Regular price £24.95 GBP
    Regular price Sale price £24.95 GBP
  • Xtreme Gardening - Azos (Vegative Growth Promoter)

    Xtreme Gardening - Azos (Vegative Growth Promoter)

    Xtreme Gardening - Azos (Vegative Growth Promoter)

    Regular price From £22.87 GBP
    Regular price Sale price From £22.87 GBP

  • 26w clone light

    Sale

    26w clone light

    Regular price £24.99 GBP
    Regular price £34.99 GBP Sale price £24.99 GBP
    Sale
  • Rhino Pro Filter Rhino Pro Filter

    Rhino Pro Filter

    Rhino Pro Filter

    Regular price From £49.95 GBP
    Regular price Sale price From £49.95 GBP
  • Dutch Pro Silica - Von Liebig Special

    Dutch Pro Silica - Von Liebig Special

    Dutch Pro Silica - Von Liebig Special

    Regular price £79.95 GBP
    Regular price Sale price £79.95 GBP
  • Vortex - Inline Duct Fans

    Vortex - Inline Duct Fans

    Vortex - Inline Duct Fans

    Regular price From £69.99 GBP
    Regular price Sale price From £69.99 GBP
  • Air EC - Mixed Flow Inline Fan (EC)

    Air EC - Mixed Flow Inline Fan (EC)

    Air EC - Mixed Flow Inline Fan (EC)

    Regular price £97.99 GBP
    Regular price Sale price £97.99 GBP
  • Plagron - Hydro Roots (Promotes root growth and boosts resistance)

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

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

    Regular price £148.00 GBP
    Regular price Sale price £148.00 GBP
  • Intense Nutrients - Ph Down Ultra (Ph down)

    Intense Nutrients - Ph Down Ultra (Ph down)

    Intense Nutrients - Ph Down Ultra (Ph down)

    Regular price From £9.95 GBP
    Regular price Sale price From £9.95 GBP
  • Hygrozyme - Nutrient A&B (Base Feed) (A&B set)

    Hygrozyme - Nutrient A&B (Base Feed) (A&B set)

    Hygrozyme - Nutrient A&B (Base Feed) (A&B set)

    Regular price £19.95 GBP
    Regular price Sale price £19.95 GBP
  • Super Boost - Folair Spray

    Super Boost - Folair Spray

    Super Boost - Folair Spray

    Regular price £24.95 GBP
    Regular price Sale price £24.95 GBP
  • Autopot Systems - Spare Pots

    Autopot Systems - Spare Pots

    Autopot Systems - Spare Pots

    Regular price From £3.20 GBP
    Regular price Sale price From £3.20 GBP
  • RAM - Inline Duct Fan

    RAM - Inline Duct Fan

    RAM - Inline Duct Fan

    Regular price £105.00 GBP
    Regular price Sale price £105.00 GBP
  • AC Infinity - CONTROLLER AI+ Environmental Controller, AI-Powered Learning and Dynamic Level Adjusting for UIS and Third-Party Devices, Dual-Zone VPD, Temperature and Humidity, Bluetooth + WiFi App

    AC Infinity - CONTROLLER AI+ Environmental Controller, AI-Powered Learning and Dynamic Level Adjusting for UIS and Third-Party Devices, Dual-Zone VPD, Temperature and Humidity, Bluetooth + WiFi App

    AC Infinity - CONTROLLER AI+ Environmental Controller, AI-Powered Learning and Dynamic Level Adjusting for UIS and Third-Party Devices, Dual-Zone VPD, Temperature and Humidity, Bluetooth + WiFi App

    Regular price £159.99 GBP
    Regular price Sale price £159.99 GBP
  • CANNA - COGr Buffering Agent

    CANNA - COGr Buffering Agent

    CANNA - COGr Buffering Agent

    Regular price £19.26 GBP
    Regular price Sale price £19.26 GBP
  • Weian - Disposable Face Masks - 1 box of 50 Pieces

    Weian - Disposable Face Masks - 1 box of 50 Pieces

    Weian - Disposable Face Masks - 1 box of 50 Pieces

    Regular price £45.00 GBP
    Regular price Sale price £45.00 GBP
  • Intense Nutrients - Giga Bloom (Early Flower Booster)

    Intense Nutrients - Giga Bloom (Early Flower Booster)

    Intense Nutrients - Giga Bloom (Early Flower Booster)

    Regular price From £32.95 GBP
    Regular price Sale price From £32.95 GBP
  • Plant Magic - 60/40 Supreme (40L) (60% Pebbles, 40% Coco)

    Plant Magic - 60/40 Supreme (40L) (60% Pebbles, 40% Coco)

    Plant Magic - 60/40 Supreme (40L) (60% Pebbles, 40% Coco)

    Regular price £15.90 GBP
    Regular price Sale price £15.90 GBP
  • Plant Magic - 70/30 Supreme (40L) (70% Coco, 30% Perlite)

    Plant Magic - 70/30 Supreme (40L) (70% Coco, 30% Perlite)

    Plant Magic - 70/30 Supreme (40L) (70% Coco, 30% Perlite)

    Regular price £13.90 GBP
    Regular price Sale price £13.90 GBP
  • Plant Magic - Coco Supreme (40L) (Growing Media)

    Plant Magic - Coco Supreme (40L) (Growing Media)

    Plant Magic - Coco Supreme (40L) (Growing Media)

    Regular price £15.12 GBP
    Regular price Sale price £15.12 GBP
  • BudPlus - All-Mix+ (Growing Media) (50L)

    BudPlus - All-Mix+ (Growing Media) (50L)

    BudPlus - All-Mix+ (Growing Media) (50L)

    Regular price £17.06 GBP
    Regular price Sale price £17.06 GBP
  • HydroTops: Bioponics: Flush HydroTops: Bioponics: Flush

    HydroTops: Bioponics: Flush

    Sale

    HydroTops: Bioponics: Flush

    Regular price From £2.50 GBP
    Regular price £16.99 GBP Sale price From £2.50 GBP
    Sale
  • HydroTops - Bioponics: Grow: Coco (A&B set) HydroTops - Bioponics: Grow: Coco (A&B set)

    HydroTops - Bioponics: Grow: Coco (A&B set)

    Sale

    HydroTops - Bioponics: Grow: Coco (A&B set)

    Regular price From £2.50 GBP
    Regular price £19.99 GBP Sale price From £2.50 GBP
    Sale
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