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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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  • Canna - PK 13/14 - 1 Litre

    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
    Unit price /  per 
    Sale
  • Intense Nutrients - PK Phite - 1 Litre

    Intense Nutrients - PK Phite (PK Booster)

    Intense Nutrients - PK Phite (PK Booster)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
    Unit price /  per 
  • House & Garden - Shooting Powder (PK Booster)

    House & Garden - Shooting Powder (PK Booster)

    House & Garden - Shooting Powder (PK Booster)

    Regular price From £9.99 GBP
    Regular price Sale price From £9.99 GBP
    Unit price /  per 
  • Grenade Nutrients - Grenade Black

    Grenade Nutrients - Grenade Black

    Grenade Nutrients - Grenade Black

    Regular price From £40.00 GBP
    Regular price Sale price From £40.00 GBP
    Unit price /  per 
  • Shogun - PK Warrior 9/18 - 1 Litre

    Shogun - PK Warrior 9/18 (PK Booster)

    Shogun - PK Warrior 9/18 (PK Booster)

    Regular price From £8.95 GBP
    Regular price Sale price From £8.95 GBP
    Unit price /  per 
  • Buddhas Tree - PK 9/18 - PK Booster

    Buddhas Tree - PK 9/18 - PK Booster

    Buddhas Tree - PK 9/18 - PK Booster

    Regular price £74.99 GBP
    Regular price Sale price £74.99 GBP
    Unit price /  per 
  • Mills Nutrients - Ultimate PK - Ripening Promoter - 5 Litres

    Mills - Ultimate PK (PK Booster)

    Sale

    Mills - Ultimate PK (PK Booster)

    Regular price From £19.90 GBP
    Regular price £24.98 GBP Sale price From £19.90 GBP
    Unit price /  per 
    Sale
  • Advanced Nutrients - Big Bud Coco

    Advanced Nutrients - Big Bud® - Coco - Bloom Booster

    Sale

    Advanced Nutrients - Big Bud® - Coco - Bloom Booster

    Regular price From £2.50 GBP
    Regular price £43.95 GBP Sale price From £2.50 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 
  • Atami Bloombastic - Flowering Booster - 325ml

    Atami - Bloombastic - The ‘Bling Bling’ for your plants!

    Sale

    Atami - Bloombastic - The ‘Bling Bling’ for your plants!

    Regular price From £47.99 GBP
    Regular price £55.19 GBP Sale price From £47.99 GBP
    Unit price /  per 
    Sale
  • Plant Magic - Platinum PK 9/18 - 500ml

    Plant Magic - Platinum PK 9/18 (PK Booster)

    Plant Magic - Platinum PK 9/18 (PK Booster)

    Regular price From £31.64 GBP
    Regular price Sale price From £31.64 GBP
    Unit price /  per 
  • Shogun - Dragon Force - 1 Litre

    Shogun - Dragon Force - (Plant Finisher)

    Shogun - Dragon Force - (Plant Finisher)

    Regular price From £9.95 GBP
    Regular price Sale price From £9.95 GBP
    Unit price /  per 
  • Advanced Nutrients - OG Organics™ Big Bud® (P.K)

    Advanced Nutrients - OG Organics™ Big Bud® (P.K)

    Sold out

    Advanced Nutrients - OG Organics™ Big Bud® (P.K)

    Regular price £44.95 GBP
    Regular price £49.99 GBP Sale price £44.95 GBP
    Unit price /  per 
    Sold out
  • Advanced Nutrients - Kushie Kush® (FlowerEnhancer) **Secret Menu**

    Advanced Nutrients - Kushie Kush® (FlowerEnhancer) **Secret Menu**

    Sale

    Advanced Nutrients - Kushie Kush® (FlowerEnhancer) **Secret Menu**

    Regular price From £2.50 GBP
    Regular price £49.99 GBP Sale price From £2.50 GBP
    Unit price /  per 
    Sale
  • Athena Nutrients PK, Horticultural Supllies Coventry, PK, Plant Nutrient

    Athena Nutrients - Blended Line PK

    Sale

    Athena Nutrients - Blended Line PK

    Regular price £20.99 GBP
    Regular price £28.99 GBP Sale price £20.99 GBP
    Unit price /  per 
    Sale
  • British Minerals - ProPK 13/14 (Phisphorus Potassium)

    British Minerals - ProPK 13/14 (Phisphorus Potassium)

    British Minerals - ProPK 13/14 (Phisphorus Potassium)

    Regular price £19.99 GBP
    Regular price Sale price £19.99 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 
  • Advanced Nutrients - Big Bud

    Advanced Nutrients - Big Bud® - Bloom Booster

    Sale

    Advanced Nutrients - Big Bud® - Bloom Booster

    Regular price From £2.50 GBP
    Regular price £43.95 GBP Sale price From £2.50 GBP
    Unit price /  per 
    Sale

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