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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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  • Magical - 21UP Gummy Tray 2ml - 2 Pack

    Magical - 21UP Gummy Tray 2ml - 2 Pack

    Magical - 21UP Gummy Tray 2ml - 2 Pack

    Regular price £18.95 GBP
    Regular price Sale price £18.95 GBP
    Unit price /  per 
  • Magical - Measuring Cups - 3 Pack

    Magical - Measuring Cups - 3 Pack

    Magical - Measuring Cups - 3 Pack

    Regular price £24.95 GBP
    Regular price Sale price £24.95 GBP
    Unit price /  per 
  • Advanced Starter Bundle (720w LED With Ballast)

    Advanced Starter Bundle (720w LED With Ballast)

    Sale

    Advanced Starter Bundle (720w LED With Ballast)

    Regular price £574.99 GBP
    Regular price £618.80 GBP Sale price £574.99 GBP
    Unit price /  per 
    Sale
  • Budget Starter Bundle (600w HPS)

    Budget Starter Bundle (600w HPS)

    Sale

    Budget Starter Bundle (600w HPS)

    Regular price £299.99 GBP
    Regular price £332.45 GBP Sale price £299.99 GBP
    Unit price /  per 
    Sale
  • Lumatek - HPS Lamp 250W 240V

    Lumatek - HPS Lamp 250W 240V

    Lumatek - HPS Lamp 250W 240V

    Regular price £17.95 GBP
    Regular price Sale price £17.95 GBP
    Unit price /  per 
  • ESSENTIALS PLUS - PK 13/14 (PK Booster)

    ESSENTIALS PLUS - PK 13/14 (PK Booster)

    ESSENTIALS PLUS - PK 13/14 (PK Booster)

    Regular price £5.60 GBP
    Regular price Sale price £5.60 GBP
    Unit price /  per 
  • ESSENTIALS PLUS - FLUSH (Flushing Agent)

    ESSENTIALS PLUS - FLUSH (Flushing Agent)

    ESSENTIALS PLUS - FLUSH (Flushing Agent)

    Regular price £7.50 GBP
    Regular price Sale price £7.50 GBP
    Unit price /  per 
  • ESSENTIALS PLUS - GREEN UP (Plant Aid)

    ESSENTIALS PLUS - GREEN UP (Plant Aid)

    ESSENTIALS PLUS - GREEN UP (Plant Aid)

    Regular price £7.10 GBP
    Regular price Sale price £7.10 GBP
    Unit price /  per 
  • ESSENTIALS PLUS - CALMAG - (Calcium & Magnesium)

    ESSENTIALS PLUS - CALMAG - (Calcium & Magnesium)

    ESSENTIALS PLUS - CALMAG - (Calcium & Magnesium)

    Regular price £7.20 GBP
    Regular price Sale price £7.20 GBP
    Unit price /  per 
  • ESSENTIALS PLUS - NO STRESS (Plant Aid)

    ESSENTIALS PLUS - NO STRESS (Plant Aid)

    ESSENTIALS PLUS - NO STRESS (Plant Aid)

    Regular price £23.50 GBP
    Regular price Sale price £23.50 GBP
    Unit price /  per 
  • Advanced Nutrients - Bud Blood - Flowering Booster - Powder (40g Sachet)

    Advanced Nutrients - Bud Blood - Flowering Booster - Powder (40g Sachet)

    Sale

    Advanced Nutrients - Bud Blood - Flowering Booster - Powder (40g Sachet)

    Regular price £19.95 GBP
    Regular price £22.95 GBP Sale price £19.95 GBP
    Unit price /  per 
    Sale
  • Advanced Nutrients - Revive - 1 Litre

    Advanced Nutrients - Revive - Plant Aid

    Sale

    Advanced Nutrients - Revive - Plant Aid

    Regular price £28.95 GBP
    Regular price £34.95 GBP Sale price £28.95 GBP
    Unit price /  per 
    Sale
  • Rock Nutrients - Rock Resinator

    Rock Nutrients - Rock Resinator

    Rock Nutrients - Rock Resinator

    Regular price £69.95 GBP
    Regular price Sale price £69.95 GBP
    Unit price /  per 
  • LDPE Pipe

    LDPE Pipe

    LDPE Pipe

    Regular price From £10.99 GBP
    Regular price Sale price From £10.99 GBP
    Unit price /  per 
  • 13mm Double Barb Elbow - Irrigation Fitting

    13mm Double Barb Elbow - Irrigation Fitting

    Sale

    13mm Double Barb Elbow - Irrigation Fitting

    Regular price £0.70 GBP
    Regular price £1.50 GBP Sale price £0.70 GBP
    Unit price /  per 
    Sale
  • 13mm Double Barb End Plug - Irrigation Fitting

    13mm Double Barb End Plug - Irrigation Fitting

    Sale

    13mm Double Barb End Plug - Irrigation Fitting

    Regular price £0.60 GBP
    Regular price £1.50 GBP Sale price £0.60 GBP
    Unit price /  per 
    Sale
  • 13mm Double Barb Tee - Irrigation Fitting

    13mm Double Barb Tee - Irrigation Fitting

    Sale

    13mm Double Barb Tee - Irrigation Fitting

    Regular price £0.70 GBP
    Regular price £2.00 GBP Sale price £0.70 GBP
    Unit price /  per 
    Sale
  • 13mm Standard Barb Cross - Irrigation Fitting

    13mm Standard Barb Cross - Irrigation Fitting

    Sale

    13mm Standard Barb Cross - Irrigation Fitting

    Regular price £2.10 GBP
    Regular price £2.50 GBP Sale price £2.10 GBP
    Unit price /  per 
    Sale
  • 13mm Standard Barb Elbow - Irrigation Fitting

    13mm Standard Barb Elbow - Irrigation Fitting

    Sale

    13mm Standard Barb Elbow - Irrigation Fitting

    Regular price £0.60 GBP
    Regular price £1.50 GBP Sale price £0.60 GBP
    Unit price /  per 
    Sale
  • 13mm Standard Barb Joiner - Irrigation Fitting

    13mm Standard Barb Joiner - Irrigation Fitting

    13mm Standard Barb Joiner - Irrigation Fitting

    Regular price £0.40 GBP
    Regular price Sale price £0.40 GBP
    Unit price /  per 
  • 13mm Standard Barb Tee - Irrigation Fitting

    13mm Standard Barb Tee - Irrigation Fitting

    13mm Standard Barb Tee - Irrigation Fitting

    Regular price £0.60 GBP
    Regular price Sale price £0.60 GBP
    Unit price /  per 
  • 13mm Top Hat Grommet - Irrigation Fitting

    13mm Top Hat Grommet - Irrigation Fitting

    13mm Top Hat Grommet - Irrigation Fitting

    Regular price £0.70 GBP
    Regular price Sale price £0.70 GBP
    Unit price /  per 
  • 13mm/4mm Double Barb Reducer Tee - Irrigation Fitting

    13mm/4mm Double Barb Reducer Tee - Irrigation Fitting

    13mm/4mm Double Barb Reducer Tee - Irrigation Fitting

    Regular price £0.80 GBP
    Regular price Sale price £0.80 GBP
    Unit price /  per 
  • 19mm/13mm Barb Reducer Tee - Irrigation Fitting

    19mm/13mm Barb Reducer Tee - Irrigation Fitting

    19mm/13mm Barb Reducer Tee - Irrigation Fitting

    Regular price £0.90 GBP
    Regular price Sale price £0.90 GBP
    Unit price /  per 
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