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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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  • Canna - Rhizotonic - 1 Litre Canna - Rhizotonic - Root Stimulator

    Canna - Rhizotonic - Root Stimulator

    Sale

    Canna - Rhizotonic - Root Stimulator

    Regular price From £2.50 GBP
    Regular price £39.99 GBP Sale price From £2.50 GBP
    Sale
  • CX - Tanlin Drops (20ml) - Pest Control CX - Tanlin Drops (20ml) - Pest Control

    CX - Tanlin Drops (20ml) - Pest Control

    CX - Tanlin Drops (20ml) - Pest Control

    Regular price £22.50 GBP
    Regular price Sale price £22.50 GBP
  • House & Garden - Bud XL (Flowering Booster) House & Garden - Bud XL (Flowering Booster)

    House & Garden - Bud XL (Flowering Booster)

    House & Garden - Bud XL (Flowering Booster)

    Regular price From £29.99 GBP
    Regular price Sale price From £29.99 GBP
  • Boveda - Humidity Control: 62% Boveda - Humidity Control: 62%

    Boveda - Humidity Control: 62%

    Boveda - Humidity Control: 62%

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • PLANT!T Vermiculite V3 2-5mm Hydroponics Soil Conditioner Growing Media

    PLANT!T Vermiculite V3 2-5mm Hydroponics Soil Conditioner Growing Media

    PLANT!T Vermiculite V3 2-5mm Hydroponics Soil Conditioner Growing Media

    Regular price From £0.00 GBP
    Regular price Sale price From £0.00 GBP
  • Intense Nutrients - Climax - Plant Finisher - 1 Litre Intense Nutrients - Climax (Plant Finisher)

    Intense Nutrients - Climax (Plant Finisher)

    Intense Nutrients - Climax (Plant Finisher)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Ecofective - Bug and Mildew Control Ecofective - Bug and Mildew Control

    Ecofective - Bug and Mildew Control

    Ecofective - Bug and Mildew Control

    Regular price From £6.49 GBP
    Regular price Sale price From £6.49 GBP
  • Swann Morton - Scalpels Swann Morton - Scalpels

    Swann Morton - Scalpels

    Swann Morton - Scalpels

    Regular price From £1.50 GBP
    Regular price Sale price From £1.50 GBP
  • MountainAir Carbon Filters (Various Sizes) MountainAir Carbon Filters (Various Sizes)

    MountainAir Carbon Filters (Various Sizes)

    Sale

    MountainAir Carbon Filters (Various Sizes)

    Regular price From £98.00 GBP
    Regular price £236.00 GBP Sale price From £98.00 GBP
    Sale
  • Lumii - Black - 600w bulb

    Lumii - Black - 600w bulb

    Sale

    Lumii - Black - 600w bulb

    Regular price £18.00 GBP
    Regular price £28.00 GBP Sale price £18.00 GBP
    Sale
  • RAM - ALUDUCT (Low Noise Ducting) RAM - ALUDUCT (Low Noise Ducting)

    RAM - ALUDUCT (Low Noise Ducting)

    RAM - ALUDUCT (Low Noise Ducting)

    Regular price From £6.00 GBP
    Regular price Sale price From £6.00 GBP
  • Shogun - PK Warrior 9/18 - 1 Litre Shogun - PK Warrior 9/18 (PK Booster)

    Shogun - PK Warrior 9/18 (PK Booster)

    Shogun - PK Warrior 9/18 (PK Booster)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Intense Nutrients - Silicon Ultra - 250ml Intense Nutrients - Silicon Ultra - Pro Series

    Intense Nutrients - Silicon Ultra - Pro Series

    Intense Nutrients - Silicon Ultra - Pro Series

    Regular price From £54.95 GBP
    Regular price Sale price From £54.95 GBP
  • intense Nutrients - Down 'n' Dirty (PH Down) intense Nutrients - Down 'n' Dirty (PH Down)

    intense Nutrients - Down 'n' Dirty (PH Down)

    intense Nutrients - Down 'n' Dirty (PH Down)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Advanced Nutrients - Bud Ignitor - 500ml Advanced Nutrients - Bud Ignitor® - Bloom Stimulator

    Advanced Nutrients - Bud Ignitor® - Bloom Stimulator

    Sale

    Advanced Nutrients - Bud Ignitor® - Bloom Stimulator

    Regular price From £2.50 GBP
    Regular price £89.95 GBP Sale price From £2.50 GBP
    Sale
  • Black Flag Horticulture - Graduated Jug Black Flag Horticulture - Graduated Jug

    Black Flag Horticulture - Graduated Jug

    Black Flag Horticulture - Graduated Jug

    Regular price From £1.75 GBP
    Regular price Sale price From £1.75 GBP
  • Intense Nutrients - OG Granules - 350g Intense Nutrients - OG Granules - 700g

    Intense Nutrients - OG Granules (Mycorrhizals)

    Intense Nutrients - OG Granules (Mycorrhizals)

    Regular price From £16.95 GBP
    Regular price Sale price From £16.95 GBP
  • Canna - Terra: Professional Plus (Growing Media)

    Canna - Terra: Professional Plus (Growing Media)

    Sale

    Canna - Terra: Professional Plus (Growing Media)

    Regular price From £4.50 GBP
    Regular price £24.00 GBP Sale price From £4.50 GBP
    Sale
  • Shogun - Silicon - 1 Litre Shogun - Silicon

    Shogun - Silicon

    Sale

    Shogun - Silicon

    Regular price From £2.50 GBP
    Regular price £72.00 GBP Sale price From £2.50 GBP
    Sale
  • Metal Work - Reducers Metal Work - Reducers

    Metal Work - Reducers

    Metal Work - Reducers

    Regular price From £4.20 GBP
    Regular price Sale price From £4.20 GBP
  • BioBizz - Light Mix - Oranic Soil Substrate - 50 Litres BioBizz - Light Mix

    BioBizz - Light Mix

    BioBizz - Light Mix

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Fumite OPP Disinfectant Bomb – Effective Bacterial, Fungicidal, Virucidal Solution

    Fumite OPP Disinfectant Bomb – Effective Bacterial, Fungicidal, Virucidal Solution

    Sale

    Fumite OPP Disinfectant Bomb – Effective Bacterial, Fungicidal, Virucidal Solution

    Regular price £12.76 GBP
    Regular price £16.00 GBP Sale price £12.76 GBP
    Sale
  • AC Infinity - Cloudray - Black 6 inch Clip on Fan for Growing Environments AC Infinity - Cloudray - S6 Grow Tent Circulator Clip Fan 6” Auto Oscillation

    AC Infinity - Cloudray - S6 Grow Tent Circulator Clip Fan 6” Auto Oscillation

    AC Infinity - Cloudray - S6 Grow Tent Circulator Clip Fan 6” Auto Oscillation

    Regular price £59.99 GBP
    Regular price Sale price £59.99 GBP
  • House & Garden - Shooting Powder (PK Booster) House & Garden - Shooting Powder (PK Booster)

    House & Garden - Shooting Powder (PK Booster)

    House & Garden - Shooting Powder (PK Booster)

    Regular price From £9.99 GBP
    Regular price Sale price From £9.99 GBP
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