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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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  • Canna - Aqua Clay Pebbles - 45 Litres Canna AQUA CLAY PEBBLES 5/10/20/45L Decants Premium Hydroponics Growing Media

    Canna AQUA CLAY PEBBLES 5/10/20/45L Decants Premium Hydroponics Growing Media

    Sale

    Canna AQUA CLAY PEBBLES 5/10/20/45L Decants Premium Hydroponics Growing Media

    Regular price From £1.99 GBP
    Regular price £23.72 GBP Sale price From £1.99 GBP
    Sale
  • Canna - Coco - A&B Set - 1 Litre Canna - Coco: (A&B Set) - Coco Base feed

    Canna - Coco: (A&B Set) - Coco Base feed

    Sale

    Canna - Coco: (A&B Set) - Coco Base feed

    Regular price From £2.50 GBP
    Regular price £49.98 GBP Sale price From £2.50 GBP
    Sale
  • Canna - Coco Natural - 50 Litres Canna - Coco: Natural - 50Ltr

    Canna - Coco: Natural - 50Ltr

    Sale

    Canna - Coco: Natural - 50Ltr

    Regular price £11.94 GBP
    Regular price £16.50 GBP Sale price £11.94 GBP
    Sale
  • Canna - Boost Accelerator - Flowering Booster - 1 Litre Canna - Boost Accelerator - Flowering Booster

    Canna - Boost Accelerator - Flowering Booster

    Sale

    Canna - Boost Accelerator - Flowering Booster

    Regular price From £2.50 GBP
    Regular price £79.99 GBP Sale price From £2.50 GBP
    Sale
  • Canna - PK 13/14 - 1 Litre Canna - PK 13/14 (PK Booster)

    Canna - PK 13/14 (PK Booster)

    Sale

    Canna - PK 13/14 (PK Booster)

    Regular price From £2.50 GBP
    Regular price £60.00 GBP Sale price From £2.50 GBP
    Sale
  • 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
  • Canna - Coco: Professional Plus (Growing Media)

    Canna - Coco: Professional Plus (Growing Media)

    Sale

    Canna - Coco: Professional Plus (Growing Media)

    Regular price From £2.99 GBP
    Regular price £24.00 GBP Sale price From £2.99 GBP
    Sale
  • Canna - Terra: Professional Soil - Growing media for pots

    Canna - Terra: Professional Soil - Growing media for pots

    Sale

    Canna - Terra: Professional Soil - Growing media for pots

    Regular price £10.99 GBP
    Regular price £12.99 GBP Sale price £10.99 GBP
    Sale
  • 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
  • Canna - CannaZym - Plant Additive - 1 Litre Canna - Cannazym - Enzymes

    Canna - Cannazym - Enzymes

    Sale

    Canna - Cannazym - Enzymes

    Regular price From £2.50 GBP
    Regular price £146.99 GBP Sale price From £2.50 GBP
    Sale
  • Canna - CalMag Agent - Water Enhancement - 1 Litre Canna CalMag Agent for Balanced Calcium and Magnesium Supplementation

    Canna CalMag Agent for Balanced Calcium and Magnesium Supplementation

    Sale

    Canna CalMag Agent for Balanced Calcium and Magnesium Supplementation

    Regular price From £2.50 GBP
    Regular price £19.43 GBP Sale price From £2.50 GBP
    Sale
  • Canna - Coco Pebble mix 60/40

    Canna - Coco Pebble mix 60/40

    Canna - Coco Pebble mix 60/40

    Regular price From £3.50 GBP
    Regular price Sale price From £3.50 GBP
  • Canna - CANNACURE Concentrate Canna - CANNACURE Concentrate

    Canna - CANNACURE Concentrate

    Canna - CANNACURE Concentrate

    Regular price From £14.50 GBP
    Regular price Sale price From £14.50 GBP
  • Canna - Terra Flores - 10 Litres Canna - Terra: Flores - Soil Base Feed

    Canna - Terra: Flores - Soil Base Feed

    Canna - Terra: Flores - Soil Base Feed

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 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
  • Canna - Spanner - For Opening 5 Litre & 10 Litre Bottles Canna - Spanner

    Canna - Spanner

    Canna - Spanner

    Regular price £6.48 GBP
    Regular price Sale price £6.48 GBP
  • Canna - BioCanna - Bio Flores - 1 Litre Canna Nutrients - Bio Flores - Organic Base Feed

    Canna Nutrients - Bio Flores - Organic Base Feed

    Canna Nutrients - Bio Flores - Organic Base Feed

    Regular price £16.99 GBP
    Regular price Sale price £16.99 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
  • 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
  • Canna - Aqua Flores - Set A&B CANNA - Aqua Flores Set (A+B) (Hydro Base Feed)

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

    Sale

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

    Regular price From £2.50 GBP
    Regular price £55.40 GBP Sale price From £2.50 GBP
    Sale
  • CANNA - COGr Buffering Agent

    CANNA - COGr Buffering Agent

    CANNA - COGr Buffering Agent

    Regular price £19.26 GBP
    Regular price Sale price £19.26 GBP
  • Canna - Aqua Vega - Set A&B CANNA - Aqua Vega Set (A+B) (Hydro Base Feed)

    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
    Sale

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