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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
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  • Plant Magic - Boost - Flowering Booster - 1 Litre

    Plant Magic - Boost (Flower Booster)

    Sale

    Plant Magic - Boost (Flower Booster)

    Regular price From £39.95 GBP
    Regular price £45.99 GBP Sale price From £39.95 GBP
    Unit price /  per 
    Sale
  • Essentials LAB - pH Test Indicator (Wide Spectrum)

    Essentials LAB - pH Test Indicator (Wide Spectrum)

    Essentials LAB - pH Test Indicator (Wide Spectrum)

    Regular price £5.00 GBP
    Regular price Sale price £5.00 GBP
    Unit price /  per 
  • Metal Work - Female Coupling

    Metal Work - Female Coupling

    Metal Work - Female Coupling

    Regular price From £1.30 GBP
    Regular price Sale price From £1.30 GBP
    Unit price /  per 
  • Vitalink - Coir Max: (A&B set) (Base Feed)

    Vitalink - Coir Max: (A&B set) (Base Feed)

    Vitalink - Coir Max: (A&B set) (Base Feed)

    Regular price From £44.95 GBP
    Regular price Sale price From £44.95 GBP
    Unit price /  per 
  • Canna - CannaZym - Plant Additive - 1 Litre

    Canna - Cannazym - Enzymes

    Sale

    Canna - Cannazym - Enzymes

    Regular price From £17.95 GBP
    Regular price £146.99 GBP Sale price From £17.95 GBP
    Unit price /  per 
    Sale
  • Mitecide - 240 SC

    Mitecide - 240 SC

    Mitecide - 240 SC

    Regular price From £19.95 GBP
    Regular price Sale price From £19.95 GBP
    Unit price /  per 
  • Advanced Nutrients - Sensi Coco Bloom - A&B Set - 1 Litre - Coco Base Feed

    Advanced Nutrients - Sensi Coco: Bloom (A & B Set) - pH Perfect®

    Sale

    Advanced Nutrients - Sensi Coco: Bloom (A & B Set) - pH Perfect®

    Regular price From £24.95 GBP
    Regular price £28.95 GBP Sale price From £24.95 GBP
    Unit price /  per 
    Sale
  • Inkbird Digital Temperature Controller 220V Thermostat

    Inkbird Digital Temperature Controller 220V Thermostat

    Inkbird Digital Temperature Controller 220V Thermostat

    Regular price £34.95 GBP
    Regular price Sale price £34.95 GBP
    Unit price /  per 
  • Garland - XL High Dome Unpackaged Black Propagator 58cm x 40.5cm x 22.5cm - Unheated

    Garland - XL High Dome Unpackaged Black Propagator 58cm x 40.5cm x 22.5cm - Unheated

    Garland - XL High Dome Unpackaged Black Propagator 58cm x 40.5cm x 22.5cm - Unheated

    Regular price £18.00 GBP
    Regular price Sale price £18.00 GBP
    Unit price /  per 
  • Plant Magic - Silicon - 1 Litre

    Plant Magic - Silicon

    Plant Magic - Silicon

    Regular price From £19.95 GBP
    Regular price Sale price From £19.95 GBP
    Unit price /  per 
  • Shogun - Zenzym - 1 Litre

    Shogun - Zenzym (Enzymes)

    Shogun - Zenzym (Enzymes)

    Regular price From £8.95 GBP
    Regular price Sale price From £8.95 GBP
    Unit price /  per 
  • Pump Up Compression Sprayer

    Pump Up Compression Sprayer

    Pump Up Compression Sprayer

    Regular price £6.00 GBP
    Regular price Sale price £6.00 GBP
    Unit price /  per 
  • Intense Nutrients - Kickstart - 1 Litre

    Intense Nutrients - Kickstart (Propagation)

    Intense Nutrients - Kickstart (Propagation)

    Regular price From £7.45 GBP
    Regular price Sale price From £7.45 GBP
    Unit price /  per 
  • Lumii - Rope Ratchet - Pack of 2

    Lumii - Rope Ratchet - Pack of 2

    Lumii - Rope Ratchet - Pack of 2

    Regular price £6.50 GBP
    Regular price Sale price £6.50 GBP
    Unit price /  per 
  • Jiffy - PRO7 - Coco Brick - 8L (Per Brick)

    Jiffy - PRO7 - Coco Brick - 8L (Per Brick)

    Jiffy - PRO7 - Coco Brick - 8L (Per Brick)

    Regular price £2.40 GBP
    Regular price Sale price £2.40 GBP
    Unit price /  per 
  • Advanced Nutrients - CarboLoad - 1 Litre

    Advanced Nutrients - CarboLoad® - Flowering Booster

    Sale

    Advanced Nutrients - CarboLoad® - Flowering Booster

    Regular price From £7.99 GBP
    Regular price £12.00 GBP Sale price From £7.99 GBP
    Unit price /  per 
    Sale
  • Intense Nutrients - PK Ultra - Pro Series

    Intense Nutrients - PK Ultra -Pro Series (PK Booster)

    Intense Nutrients - PK Ultra -Pro Series (PK Booster)

    Regular price From £34.95 GBP
    Regular price Sale price From £34.95 GBP
    Unit price /  per 
  • Advanced Nutrients - Bud Factor X - 1 Litre

    Advanced Nutrients - Bud Factor X® - Bud Potency & Stalk Strengthener

    Sale

    Advanced Nutrients - Bud Factor X® - Bud Potency & Stalk Strengthener

    Regular price £79.95 GBP
    Regular price £93.95 GBP Sale price £79.95 GBP
    Unit price /  per 
    Sale
  • Shogun - Sumo Active Boost (Hydroponics Flower Booster)

    Shogun - Sumo Active Boost (Hydroponics Flower Booster)

    Sale

    Shogun - Sumo Active Boost (Hydroponics Flower Booster)

    Regular price From £11.94 GBP
    Regular price £13.00 GBP Sale price From £11.94 GBP
    Unit price /  per 
    Sale
  • ROCK RESINATOR 1L Hydroponics Flower Bloom Stimulator for Monster Heavier Yields

    ROCK RESINATOR 1L Hydroponics Flower Bloom Stimulator for Monster Heavier Yields

    ROCK RESINATOR 1L Hydroponics Flower Bloom Stimulator for Monster Heavier Yields

    Regular price £69.95 GBP
    Regular price Sale price £69.95 GBP
    Unit price /  per 
  • OCD - DEO Max Fresh Linen Spray - 30ml

    OCD - DEO Max Spray - 30ml (Odour Control)

    OCD - DEO Max Spray - 30ml (Odour Control)

    Regular price £6.94 GBP
    Regular price Sale price £6.94 GBP
    Unit price /  per 
  • Plant Magic - Soil Grow - 1 Litre

    Plant Magic - Soil: Grow (Base Feed)

    Plant Magic - Soil: Grow (Base Feed)

    Regular price From £13.95 GBP
    Regular price Sale price From £13.95 GBP
    Unit price /  per 
  • Essentials PLUS - SILICON

    Essentials PLUS - SILICON

    Essentials PLUS - SILICON

    Regular price From £2.99 GBP
    Regular price Sale price From £2.99 GBP
    Unit price /  per 
  • Metal Work - T Piece

    Metal Work - T Piece

    Metal Work - T Piece

    Regular price From £6.25 GBP
    Regular price Sale price From £6.25 GBP
    Unit price /  per 
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