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We are Proud Stockists of your Favorite Feeds & Additives.

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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
    • FAQ's
    • MUSHBAG GROW GUIDE
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  • VitaLink Hydro Max Bloom HW A&B Set - Balanced Base Feed for Heavy Blooming

    VitaLink Hydro Max Bloom HW A&B Set - Balanced Base Feed for Heavy Blooming

    VitaLink Hydro Max Bloom HW A&B Set - Balanced Base Feed for Heavy Blooming

    Regular price £33.95 GBP
    Regular price Sale price £33.95 GBP
  • 13mm Standard Barb Joiner - Irrigation Fitting

    13mm Standard Barb Joiner - Irrigation Fitting

    13mm Standard Barb Joiner - Irrigation Fitting

    Regular price £0.40 GBP
    Regular price Sale price £0.40 GBP
  • 13mm Top Hat Grommet - Irrigation Fitting

    13mm Top Hat Grommet - Irrigation Fitting

    13mm Top Hat Grommet - Irrigation Fitting

    Regular price £0.70 GBP
    Regular price Sale price £0.70 GBP
  • 13mm/4mm Double Barb Reducer Tee - Irrigation Fitting

    13mm/4mm Double Barb Reducer Tee - Irrigation Fitting

    13mm/4mm Double Barb Reducer Tee - Irrigation Fitting

    Regular price £0.80 GBP
    Regular price Sale price £0.80 GBP
  • 4MM Barb Joiner - Irrigation Fitting

    4MM Barb Joiner - Irrigation Fitting

    Sale

    4MM Barb Joiner - Irrigation Fitting

    Regular price £0.20 GBP
    Regular price £1.00 GBP Sale price £0.20 GBP
    Sale
  • 4mm Barb Tee - Irrigation Fitting

    4mm Barb Tee - Irrigation Fitting

    Sale

    4mm Barb Tee - Irrigation Fitting

    Regular price £0.40 GBP
    Regular price £1.00 GBP Sale price £0.40 GBP
    Sale
  • Jiffy PRO7 COCO, 100% Pure Coco - 50L bag

    Jiffy PRO7 COCO, 100% Pure Coco - 50L bag

    Jiffy PRO7 COCO, 100% Pure Coco - 50L bag

    Regular price £14.95 GBP
    Regular price Sale price £14.95 GBP
  • RAM AirTECH MIDI Filter RAM AirTECH MIDI Filter

    RAM AirTECH MIDI Filter

    RAM AirTECH MIDI Filter

    Regular price From £119.95 GBP
    Regular price Sale price From £119.95 GBP
  • Sunmaster HPS Grow Lamps for Enhanced Vegetative Growth Sunmaster HPS Grow Lamps for Enhanced Vegetative Growth

    Sunmaster HPS Grow Lamps for Enhanced Vegetative Growth

    Sunmaster HPS Grow Lamps for Enhanced Vegetative Growth

    Regular price From £19.99 GBP
    Regular price Sale price From £19.99 GBP
  • Philips: Lamps

    Philips: Lamps

    Philips: Lamps

    Regular price £44.99 GBP
    Regular price Sale price £44.99 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
  • Gold Label HydroCoco 80/20 Mix (45L/50L) Clay Pebble Coir Hydroponic Substrate

    Gold Label HydroCoco 80/20 Mix (45L/50L) Clay Pebble Coir Hydroponic Substrate

    Gold Label HydroCoco 80/20 Mix (45L/50L) Clay Pebble Coir Hydroponic Substrate

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • 19mm Irrigation Fitings 19mm Irrigation Fitings

    19mm Irrigation Fitings

    19mm Irrigation Fitings

    Regular price From £0.70 GBP
    Regular price Sale price From £0.70 GBP
  • Akadama Alternative: Premium, Sustainable Horticultural Grit Leca for Bonsai (2-4mm) Akadama Alternative: Premium, Sustainable Horticultural Grit Leca for Bonsai (2-4mm)

    Akadama Alternative: Premium, Sustainable Horticultural Grit Leca for Bonsai (2-4mm)

    Akadama Alternative: Premium, Sustainable Horticultural Grit Leca for Bonsai (2-4mm)

    Regular price From £0.00 GBP
    Regular price Sale price From £0.00 GBP
  • Super-Pro Air-Pro E1 Fan Controller With Probe

    Super-Pro Air-Pro E1 Fan Controller With Probe

    Super-Pro Air-Pro E1 Fan Controller With Probe

    Regular price £35.85 GBP
    Regular price Sale price £35.85 GBP
  • Fixit - Steel Ceiling Mountable Hooks

    Fixit - Steel Ceiling Mountable Hooks

    Fixit - Steel Ceiling Mountable Hooks

    Regular price From £4.00 GBP
    Regular price Sale price From £4.00 GBP
  • Grow Bitz - Hose Connector Set

    Grow Bitz - Hose Connector Set

    Grow Bitz - Hose Connector Set

    Regular price £2.50 GBP
    Regular price Sale price £2.50 GBP
  • Grow Bitz - LED Work Light

    Grow Bitz - LED Work Light

    Grow Bitz - LED Work Light

    Regular price £34.95 GBP
    Regular price Sale price £34.95 GBP
  • Smart Co2 Bag Smart Co2 Bag

    Smart Co2 Bag

    Smart Co2 Bag

    Regular price £5.99 GBP
    Regular price Sale price £5.99 GBP
  • Green House - Additive feeding: Booster

    Green House - Additive feeding: Booster

    Green House - Additive feeding: Booster

    Regular price £23.95 GBP
    Regular price Sale price £23.95 GBP
  • Green House - Feeding Powder: Calcium

    Green House - Feeding Powder: Calcium

    Green House - Feeding Powder: Calcium

    Regular price £21.95 GBP
    Regular price Sale price £21.95 GBP
  • Green House: Feeding Powder - Short Flowering

    Green House: Feeding Powder - Short Flowering

    Green House: Feeding Powder - Short Flowering

    Regular price £29.95 GBP
    Regular price Sale price £29.95 GBP
  • Green House - Feeding Powder: Long Flowering

    Green House - Feeding Powder: Long Flowering

    Green House - Feeding Powder: Long Flowering

    Regular price £29.95 GBP
    Regular price Sale price £29.95 GBP
  • Ona - Smoke Odour Eliminator 300ml (unscented)

    Ona - Smoke Odour Eliminator 300ml (unscented)

    Ona - Smoke Odour Eliminator 300ml (unscented)

    Regular price £12.95 GBP
    Regular price Sale price £12.95 GBP
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