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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
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  • BioBizz - Top Max - 1 Litre

    Biobizz - Top Max - Flowering Booster

    Biobizz - Top Max - Flowering Booster

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
    Unit price /  per 
  • BioBizz - Bio Grow - 1 Litre

    Biobizz - Bio Grow - Base Feed

    Biobizz - Bio Grow - Base Feed

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
    Unit price /  per 
  • 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
    Unit price /  per 
  • CANNA - COGr Buffering Agent

    CANNA - COGr Buffering Agent

    CANNA - COGr Buffering Agent

    Regular price £19.26 GBP
    Regular price Sale price £19.26 GBP
    Unit price /  per 
  • 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
    Unit price /  per 
  • Advanced Nutrients: Growing Media - Coco Pure 50 Litre - Cultivator Series (100% Coco - 50 Litre)

    Advanced Nutrients: Growing Media - Coco Pure 50 Litre - Cultivator Series (100% Coco - 50 Litre)

    Sold out

    Advanced Nutrients: Growing Media - Coco Pure 50 Litre - Cultivator Series (100% Coco - 50 Litre)

    Regular price £14.95 GBP
    Regular price Sale price £14.95 GBP
    Unit price /  per 
    Sold out
  • Advanced Nutrients: Growing Media - Coco Plus 50 Litre - Cultivator Series (70% Coco / 30% Perlite - 50 Litre)

    Advanced Nutrients: Growing Media - Coco Plus 50 Litre - Cultivator Series (70% Coco / 30% Perlite - 50 Litre)

    Advanced Nutrients: Growing Media - Coco Plus 50 Litre - Cultivator Series (70% Coco / 30% Perlite - 50 Litre)

    Regular price £15.49 GBP
    Regular price Sale price £15.49 GBP
    Unit price /  per 
  • Ona - Liquids (Odour control Liquid)

    Ona - Liquids (Odour control Liquid)

    Ona - Liquids (Odour control Liquid)

    Regular price £18.95 GBP
    Regular price Sale price £18.95 GBP
    Unit price /  per 
  • Ona - Blocks (Odour Removal Block)

    Ona - Blocks (Odour Removal Block)

    Ona - Blocks (Odour Removal Block)

    Regular price £9.99 GBP
    Regular price Sale price £9.99 GBP
    Unit price /  per 
  • House & Garden: Coco A & B (Set) (Base Feed)

    House & Garden: Coco A & B (Set) (Base Feed)

    Sale

    House & Garden: Coco A & B (Set) (Base Feed)

    Regular price £19.99 GBP
    Regular price £24.99 GBP Sale price £19.99 GBP
    Unit price /  per 
    Sale
  • House & Garden: Top Booster (Flowering Booster)

    House & Garden: Top Booster (Flowering Booster)

    Sale

    House & Garden: Top Booster (Flowering Booster)

    Regular price £15.99 GBP
    Regular price £24.99 GBP Sale price £15.99 GBP
    Unit price /  per 
    Sale
  • Buddhas Tree - Advanced Meta Boost (Flowering Booster)

    Buddhas Tree - Advanced Meta Boost (Flowering Booster)

    Sale

    Buddhas Tree - Advanced Meta Boost (Flowering Booster)

    Regular price £39.95 GBP
    Regular price £47.99 GBP Sale price £39.95 GBP
    Unit price /  per 
    Sale
  • Intense Nutrients: Dirt - Ultra Bundle

    Intense Nutrients: Dirt - Ultra Bundle

    Sale

    Intense Nutrients: Dirt - Ultra Bundle

    Regular price £250.00 GBP
    Regular price £264.74 GBP Sale price £250.00 GBP
    Unit price /  per 
    Sale
  • Intense Nutrients: Dirt - Full Bundle

    Intense Nutrients: Dirt - Full Bundle

    Sale

    Intense Nutrients: Dirt - Full Bundle

    Regular price £174.99 GBP
    Regular price £189.80 GBP Sale price £174.99 GBP
    Unit price /  per 
    Sale
  • Intense Nutrients - Full Coco Bundle

    Intense Nutrients - Full Coco Bundle

    Sale

    Intense Nutrients - Full Coco Bundle

    Regular price £190.00 GBP
    Regular price £210.00 GBP Sale price £190.00 GBP
    Unit price /  per 
    Sale
  • Intense Nutrients - Full Coco: Ultra Bundle

    Intense Nutrients - Full Coco: Ultra Bundle

    Sale

    Intense Nutrients - Full Coco: Ultra Bundle

    Regular price £250.00 GBP
    Regular price £279.65 GBP Sale price £250.00 GBP
    Unit price /  per 
    Sale
  • 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 - Iguana Juice Bloom - 5 Litres

    Advanced Nutrients - Iguana Juice Bloom - OG ORGANICS

    Sale

    Advanced Nutrients - Iguana Juice Bloom - OG ORGANICS

    Regular price From £2.50 GBP
    Regular price £151.95 GBP Sale price From £2.50 GBP
    Unit price /  per 
    Sale
  • Advanced Nutrients - Iguana Juice Grow - 5 Litres

    Advanced Nutrients - Iguana Juice: Grow - OG ORGANICS

    Sale

    Advanced Nutrients - Iguana Juice: Grow - OG ORGANICS

    Regular price From £2.50 GBP
    Regular price £151.95 GBP Sale price From £2.50 GBP
    Unit price /  per 
    Sale
  • Canna - Aqua Vega - Set A&B

    CANNA - Aqua Vega Set (A+B) (Hydro Base Feed)

    Sale

    CANNA - Aqua Vega Set (A+B) (Hydro Base Feed)

    Regular price £44.99 GBP
    Regular price £56.43 GBP Sale price £44.99 GBP
    Unit price /  per 
    Sale
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