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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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  • Ecothrive Neutralise - The Tap Water Dechlorinator Ecothrive Neutralise - The Tap Water Dechlorinator

    Ecothrive Neutralise - The Tap Water Dechlorinator

    Ecothrive Neutralise - The Tap Water Dechlorinator

    Regular price From £19.95 GBP
    Regular price Sale price From £19.95 GBP
  • BioBizz - Fish Mix - 1 Litre Biobizz - Fish Mix - organic fish emulsion from the North Sea

    Biobizz - Fish Mix - organic fish emulsion from the North Sea

    Biobizz - Fish Mix - organic fish emulsion from the North Sea

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • HYGROZYME 500ml/1L Organic Hydroponics Plant Root Enzyme Suppliment HYGROZYME 500ml/1L Organic Hydroponics Plant Root Enzyme Suppliment

    HYGROZYME 500ml/1L Organic Hydroponics Plant Root Enzyme Suppliment

    HYGROZYME 500ml/1L Organic Hydroponics Plant Root Enzyme Suppliment

    Regular price From £24.99 GBP
    Regular price Sale price From £24.99 GBP
  • BioBizz - Bio Heaven - 1 Litre Biobizz - CalMag (Calcium and Magnesium)

    Biobizz - CalMag (Calcium and Magnesium)

    Biobizz - CalMag (Calcium and Magnesium)

    Regular price From £2.60 GBP
    Regular price Sale price From £2.60 GBP
  • Growcentia - Mammoth P (Beneficial Microbes) Growcentia - Mammoth P (Beneficial Microbes)

    Growcentia - Mammoth P (Beneficial Microbes)

    Growcentia - Mammoth P (Beneficial Microbes)

    Regular price From £119.99 GBP
    Regular price Sale price From £119.99 GBP
  • Canna - BioCanna - Bio Boost - Organic Plant Bloom Stimulator Canna - Bio Boost - Organic Plant Bloom Stimulator

    Canna - Bio Boost - Organic Plant Bloom Stimulator

    Sale

    Canna - Bio Boost - Organic Plant Bloom Stimulator

    Regular price £19.99 GBP
    Regular price £29.99 GBP Sale price £19.99 GBP
    Sale
  • BioBizz - Leaf Coat - 1 Litre Biobizz - Leaf Coat - protects plants!

    Biobizz - Leaf Coat - protects plants!

    Biobizz - Leaf Coat - protects plants!

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Canna - BioCanna - Bio Rhizotonic - Organic Plant Additive Canna - Bio Rhizotonic - Organic Rooting Stimulator

    Canna - Bio Rhizotonic - Organic Rooting Stimulator

    Canna - Bio Rhizotonic - Organic Rooting Stimulator

    Regular price £49.99 GBP
    Regular price Sale price £49.99 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
  • BioBizz - Bio Heaven - 1 Litre Biobizz - Bio Heaven - stimulates enzymatic activity

    Biobizz - Bio Heaven - stimulates enzymatic activity

    Biobizz - Bio Heaven - stimulates enzymatic activity

    Regular price From £2.60 GBP
    Regular price Sale price From £2.60 GBP
  • BioBizz - Top Max - 1 Litre Biobizz - Top Max - Flowering Booster

    Biobizz - Top Max - Flowering Booster

    Biobizz - Top Max - Flowering Booster

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

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