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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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  • Organ-X - Fly Sticky Paper x 4 (Pest Control) Organ-X - Fly Sticky Paper x 4 (Pest Control)

    Organ-X - Fly Sticky Paper x 4 (Pest Control)

    Organ-X - Fly Sticky Paper x 4 (Pest Control)

    Regular price £4.95 GBP
    Regular price Sale price £4.95 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
  • Intense Nutrients - Roots Ultra - Pro Series Intense Nutrients - Roots Ultra - Pro Series (Root Stimulant)

    Intense Nutrients - Roots Ultra - Pro Series (Root Stimulant)

    Intense Nutrients - Roots Ultra - Pro Series (Root Stimulant)

    Regular price £34.99 GBP
    Regular price Sale price £34.99 GBP
  • BioBizz - Alg A Mic - 1 Litre Biobizz - Alg-A-Mic - For stress-free plants!

    Biobizz - Alg-A-Mic - For stress-free plants!

    Biobizz - Alg-A-Mic - For stress-free plants!

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 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
  • SonicAir - Humidifier - 23 Litres

    SonicAir - Humidifier - 23 Litres

    Sale

    SonicAir - Humidifier - 23 Litres

    Regular price £208.00 GBP
    Regular price £220.00 GBP Sale price £208.00 GBP
    Sale
  • Plagron - Pure Zym (Beneficial Enzymes)

    Plagron - Pure Zym (Beneficial Enzymes)

    Plagron - Pure Zym (Beneficial Enzymes)

    Regular price £18.99 GBP
    Regular price Sale price £18.99 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
  • Omega - Infinity 3.0 Pro 600w LED

    Omega - Infinity 3.0 Pro 600w LED

    Omega - Infinity 3.0 Pro 600w LED

    Regular price £539.99 GBP
    Regular price Sale price £539.99 GBP
  • Hydrotops - Floral Boost Hydrotops - Floral Boost

    Hydrotops - Floral Boost

    Sale

    Hydrotops - Floral Boost

    Regular price From £2.50 GBP
    Regular price £25.00 GBP Sale price From £2.50 GBP
    Sale
  • HydroTops - Solo Soil: Boost HydroTops - Solo Soil: Boost

    HydroTops - Solo Soil: Boost

    Sale

    HydroTops - Solo Soil: Boost

    Regular price From £2.50 GBP
    Regular price £25.00 GBP Sale price From £2.50 GBP
    Sale
  • 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
  • MDF Contactor Board MDF Contactor Board

    MDF Contactor Board

    MDF Contactor Board

    Regular price £119.95 GBP
    Regular price Sale price £119.95 GBP
  • BOYU FP-100 Adjustable Pump - 120L/hr

    BOYU FP-100 Adjustable Pump - 120L/hr

    BOYU FP-100 Adjustable Pump - 120L/hr

    Regular price £7.00 GBP
    Regular price Sale price £7.00 GBP
  • Pump Up Compression Sprayer - 5L Pump Up Compression Sprayer - 5L

    Pump Up Compression Sprayer - 5L

    Sale

    Pump Up Compression Sprayer - 5L

    Regular price £19.95 GBP
    Regular price £23.55 GBP Sale price £19.95 GBP
    Sale
  • Boveda - Humidity Control: 49% - 8gram satchet

    Boveda - Humidity Control: 49% - 8gram satchet

    Boveda - Humidity Control: 49% - 8gram satchet

    Regular price £5.56 GBP
    Regular price Sale price £5.56 GBP
  • Essentials LAB - Buffer 4

    Essentials LAB - Buffer 4

    Essentials LAB - Buffer 4

    Regular price £5.00 GBP
    Regular price Sale price £5.00 GBP
  • Canna - Flush (Flushing Agent)

    Canna - Flush (Flushing Agent)

    Sale

    Canna - Flush (Flushing Agent)

    Regular price From £7.95 GBP
    Regular price £11.40 GBP Sale price From £7.95 GBP
    Sale
  • Atami - Washed & Buffered Cocos (50 Litres) X 2 (Premium Coco Coir Mix for Vigorous Plant Growth)

    Atami - Washed & Buffered Cocos (50 Litres) X 2 (Premium Coco Coir Mix for Vigorous Plant Growth)

    Sale

    Atami - Washed & Buffered Cocos (50 Litres) X 2 (Premium Coco Coir Mix for Vigorous Plant Growth)

    Regular price £25.80 GBP
    Regular price £30.00 GBP Sale price £25.80 GBP
    Sale
  • Atami - B'cuzz: Coco Booster Uni Atami - B'cuzz: Coco Booster Uni

    Atami - B'cuzz: Coco Booster Uni

    Sale

    Atami - B'cuzz: Coco Booster Uni

    Regular price £27.99 GBP
    Regular price £30.00 GBP Sale price £27.99 GBP
    Sale
  • Atami - B'Cuzz - Bloom Stimulator - Explosive Bloom Production Atami - B'Cuzz - Bloom Stimulator - Explosive Bloom Production

    Atami - B'Cuzz - Bloom Stimulator - Explosive Bloom Production

    Sale

    Atami - B'Cuzz - Bloom Stimulator - Explosive Bloom Production

    Regular price £139.99 GBP
    Regular price £145.99 GBP Sale price £139.99 GBP
    Sale
  • Vitalink - Earth Max: Grow (Base Feed)

    Vitalink - Earth Max: Grow (Base Feed)

    Sale

    Vitalink - Earth Max: Grow (Base Feed)

    Regular price From £11.95 GBP
    Regular price £14.99 GBP Sale price From £11.95 GBP
    Sale
  • BAY6 Grow Tents

    BAY6 Grow Tents

    Sale

    BAY6 Grow Tents

    Regular price From £59.95 GBP
    Regular price £64.99 GBP Sale price From £59.95 GBP
    Sale
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