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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
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  • ROOT NURSE POTKING Fabric Plant Pots: x5 Packs 1L-30L Durable & Reusable ROOT NURSE POTKING Fabric Plant Pots: x5 Packs 1L-30L Durable & Reusable

    ROOT NURSE POTKING Fabric Plant Pots: x5 Packs 1L-30L Durable & Reusable

    Sale

    ROOT NURSE POTKING Fabric Plant Pots: x5 Packs 1L-30L Durable & Reusable

    Regular price From £4.40 GBP
    Regular price £6.25 GBP Sale price From £4.40 GBP
    Sale
  • Shogun - CalMag - Calcium & Magnesium Shogun - CalMag - Calcium & Magnesium

    Shogun - CalMag - Calcium & Magnesium

    Sale

    Shogun - CalMag - Calcium & Magnesium

    Regular price From £2.50 GBP
    Regular price £44.99 GBP Sale price From £2.50 GBP
    Sale
  • Ona - Sprays (250ml) (Odour Control) Ona - Sprays (250ml) (Odour Control)

    Ona - Sprays (250ml) (Odour Control)

    Sale

    Ona - Sprays (250ml) (Odour Control)

    Regular price From £3.00 GBP
    Regular price £9.99 GBP Sale price From £3.00 GBP
    Sale
  • Intense Nutrients - Wideload Boost - 1 Litre Intense Nutrients - Wideload Boost (Flowering Booster)

    Intense Nutrients - Wideload Boost (Flowering Booster)

    Intense Nutrients - Wideload Boost (Flowering Booster)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Intense Nutrients - Coco - A&B Set - 1 Litre Intense Nutrients - Coco (A&B) (Base Feed)

    Intense Nutrients - Coco (A&B) (Base Feed)

    Intense Nutrients - Coco (A&B) (Base Feed)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • 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
  • Cyclone 7" Oscillating Clip On Fan Cyclone 7" Oscillating Clip On Fan

    Cyclone 7" Oscillating Clip On Fan

    Sale

    Cyclone 7" Oscillating Clip On Fan

    Regular price £23.99 GBP
    Regular price £27.89 GBP Sale price £23.99 GBP
    Sale
  • Atami - High Porosity Cocos - Coco Coir Growing Media Substrate - 50 Litres Atami - High Porosity Cocos (50L) (70% Coco + 30% perlite)

    Atami - High Porosity Cocos (50L) (70% Coco + 30% perlite)

    Sale

    Atami - High Porosity Cocos (50L) (70% Coco + 30% perlite)

    Regular price £15.00 GBP
    Regular price £18.00 GBP Sale price £15.00 GBP
    Sale
  • Intense Nutrients - Mag-Cal - Magnesium Calcium - 1 Litre Intense Nutrients - Mag/Cal (Magnesium & Calcium)

    Intense Nutrients - Mag/Cal (Magnesium & Calcium)

    Intense Nutrients - Mag/Cal (Magnesium & Calcium)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Intense Nutrients - PK Phite - 1 Litre Intense Nutrients - PK Phite (PK Booster)

    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
  • BioBizz - All Mix - Organic Soil Substrate - 50 Litres BioBizz - All-Mix

    BioBizz - All-Mix

    BioBizz - All-Mix

    Regular price From £2.75 GBP
    Regular price Sale price From £2.75 GBP
  • Intense Nutrients - Runzyme - 1 Litre Intense Nutrients - Runzyme (Enzymes)

    Intense Nutrients - Runzyme (Enzymes)

    Intense Nutrients - Runzyme (Enzymes)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • PLANT!T YOYO - 8 Pack - Plant Support Yoyo's PLANT!T YOYO - 8 Pack - Plant Support Yoyo's

    PLANT!T YOYO - 8 Pack - Plant Support Yoyo's

    PLANT!T YOYO - 8 Pack - Plant Support Yoyo's

    Regular price £10.00 GBP
    Regular price Sale price £10.00 GBP
  • RAM - Combi-Duct: Lightproof Ducting

    RAM - Combi-Duct: Lightproof Ducting

    Sale

    RAM - Combi-Duct: Lightproof Ducting

    Regular price From £10.00 GBP
    Regular price £15.00 GBP Sale price From £10.00 GBP
    Sale
  • Advanced Nutrients - Bud Candy - Flowering Booster - 1 Litre Advanced Nutrients - Bud Candy® - Flower Booster

    Advanced Nutrients - Bud Candy® - Flower Booster

    Sale

    Advanced Nutrients - Bud Candy® - Flower Booster

    Regular price From £2.50 GBP
    Regular price £44.99 GBP Sale price From £2.50 GBP
    Sale
  • Canna - Coco: Professional Plus (Growing Media)

    Canna - Coco: Professional Plus (Growing Media)

    Sale

    Canna - Coco: Professional Plus (Growing Media)

    Regular price From £3.98 GBP
    Regular price £24.00 GBP Sale price From £3.98 GBP
    Sale
  • Intense Nutrients - Foundation - 1 Litre Intense Nutrients - Foundation (Root Stimulant)

    Intense Nutrients - Foundation (Root Stimulant)

    Intense Nutrients - Foundation (Root Stimulant)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Adhesive Tape Adhesive Tape

    Adhesive Tape

    Adhesive Tape

    Regular price From £7.50 GBP
    Regular price Sale price From £7.50 GBP
  • OCD - DEO Max Orange Gel - 1 Litre OCD - DEO Max Gels - 1L (Odour Control)

    OCD - DEO Max Gels - 1L (Odour Control)

    OCD - DEO Max Gels - 1L (Odour Control)

    Regular price £15.99 GBP
    Regular price Sale price £15.99 GBP
  • Grow Bitz HEAVY DUTY TIMER Plug in 24 Hour Time Switch Grow Bitz HEAVY DUTY TIMER Plug in 24 Hour Time Switch

    Grow Bitz HEAVY DUTY TIMER Plug in 24 Hour Time Switch

    Sale

    Grow Bitz HEAVY DUTY TIMER Plug in 24 Hour Time Switch

    Regular price £9.98 GBP
    Regular price £15.24 GBP Sale price £9.98 GBP
    Sale
  • Insecto - Smoke Bomb (Pest Control) Insecto - Smoke Bomb (Pest Control)

    Insecto - Smoke Bomb (Pest Control)

    Insecto - Smoke Bomb (Pest Control)

    Regular price From £5.49 GBP
    Regular price Sale price From £5.49 GBP
  • RAM - Quick Release Ducting Clip RAM - Quick Release Ducting Clip

    RAM - Quick Release Ducting Clip

    RAM - Quick Release Ducting Clip

    Regular price From £2.49 GBP
    Regular price Sale price From £2.49 GBP
  • POTKING SQUARE POTS Gardening Plant Pots Hydroponics Drainage Holes 1L To 30L POTKING SQUARE POTS Gardening Plant Pots Hydroponics Drainage Holes 1L To 30L

    POTKING SQUARE POTS Gardening Plant Pots Hydroponics Drainage Holes 1L To 30L

    POTKING SQUARE POTS Gardening Plant Pots Hydroponics Drainage Holes 1L To 30L

    Regular price From £0.60 GBP
    Regular price Sale price From £0.60 GBP
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