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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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  • Eden Essentials - Perlite (10L & 100L bags) Eden Essentials - Perlite (10L & 100L bags)

    Eden Essentials - Perlite (10L & 100L bags)

    Eden Essentials - Perlite (10L & 100L bags)

    Regular price From £0.00 GBP
    Regular price Sale price From £0.00 GBP
  • 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
  • PLANT!T - Perlite PLANT!T - Perlite

    PLANT!T - Perlite

    PLANT!T - Perlite

    Regular price From £3.25 GBP
    Regular price Sale price From £3.25 GBP
  • Vitalink CLAY PEBBLES 10/45L Premium Hydroponics Growing Media

    Vitalink CLAY PEBBLES 10/45L Premium Hydroponics Growing Media

    Sale

    Vitalink CLAY PEBBLES 10/45L Premium Hydroponics Growing Media

    Regular price From £0.00 GBP
    Regular price £23.72 GBP Sale price From £0.00 GBP
    Sale
  • Jiffy-7 - Coco Plugs 41mm Jiffy-7 - Coco Plugs 41mm

    Jiffy-7 - Coco Plugs 41mm

    Jiffy-7 - Coco Plugs 41mm

    Regular price From £0.10 GBP
    Regular price Sale price From £0.10 GBP
  • Atami - Worm Delight - Worm Casting Substrate Additive - 20 Litres Atami - Worm Delight (Worm Castings)

    Atami - Worm Delight (Worm Castings)

    Atami - Worm Delight (Worm Castings)

    Regular price From £3.20 GBP
    Regular price £0.00 GBP Sale price From £3.20 GBP
  • Atami - Washed & Buffered Cocos - Coco Coir Growing Media Substrate - 50 Litres Atami - Washed and Buffered Cocos (50 L)

    Atami - Washed and Buffered Cocos (50 L)

    Sale

    Atami - Washed and Buffered Cocos (50 L)

    Regular price £11.89 GBP
    Regular price £15.00 GBP Sale price £11.89 GBP
    Sale
  • Atami - Cocos Substrate - Coco Coir Growing Media Substrate - 50 Litres Atami - Cocos Substrate - 50L

    Atami - Cocos Substrate - 50L

    Sale

    Atami - Cocos Substrate - 50L

    Regular price £13.00 GBP
    Regular price £14.39 GBP Sale price £13.00 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
  • 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
  • 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
  • BioBizz -All Mix (50 Litres) (Premium Soil Mix for Vigorous Plant Growth)

    BioBizz -All Mix (50 Litres) (Premium Soil Mix for Vigorous Plant Growth)

    Sale

    BioBizz -All Mix (50 Litres) (Premium Soil Mix for Vigorous Plant Growth)

    Regular price From £3.74 GBP
    Regular price £30.00 GBP Sale price From £3.74 GBP
    Sale
  • BioBizz - Light Mix - Oranic Soil Substrate - 50 Litres BioBizz - Light Mix

    BioBizz - Light Mix

    BioBizz - Light Mix

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Jiffy-7 - Peat/Coco Mix Plugs 39mm Jiffy-7 - Peat/Coco Mix Plugs 39mm

    Jiffy-7 - Peat/Coco Mix Plugs 39mm

    Jiffy-7 - Peat/Coco Mix Plugs 39mm

    Regular price From £0.00 GBP
    Regular price Sale price From £0.00 GBP
  • Canna - Coco Natural (50 Litres) (Premium Coco Coir Mix for Vigorous Plant Growth)

    Canna - Coco Natural (50 Litres) (Premium Coco Coir Mix for Vigorous Plant Growth)

    Sale

    Canna - Coco Natural (50 Litres) (Premium Coco Coir Mix for Vigorous Plant Growth)

    Regular price From £2.99 GBP
    Regular price £30.00 GBP Sale price From £2.99 GBP
    Sale
  • Cultiwool - CRB Small Propagator Plugs in a Tray Cultiwool - CRB Small Propagator Plugs in a Tray

    Cultiwool - CRB Small Propagator Plugs in a Tray

    Cultiwool - CRB Small Propagator Plugs in a Tray

    Regular price £12.00 GBP
    Regular price Sale price £12.00 GBP
  • BioBizz -Light Mix (Premium Soil Mix for Vigorous Plant Growth)

    BioBizz -Light Mix (Premium Soil Mix for Vigorous Plant Growth)

    Sale

    BioBizz -Light Mix (Premium Soil Mix for Vigorous Plant Growth)

    Regular price From £2.57 GBP
    Regular price £30.00 GBP Sale price From £2.57 GBP
    Sale
  • Jiffy - PRO7 - Coco Brick - 8L (Per Brick) 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
  • Atami - Janeco-Lightmix - 50 Litres Atami - Janeco-Lightmix - 50 Litres

    Atami - Janeco-Lightmix - 50 Litres

    Sale

    Atami - Janeco-Lightmix - 50 Litres

    Regular price £12.95 GBP
    Regular price £15.00 GBP Sale price £12.95 GBP
    Sale
  • Atami - Cocos Substrate 50L: X2 Hydroponics Coco Mix Growing Media

    Atami - Cocos Substrate 50L: X2 Hydroponics Coco Mix Growing Media

    Sale

    Atami - Cocos Substrate 50L: X2 Hydroponics Coco Mix Growing Media

    Regular price £26.00 GBP
    Regular price £30.00 GBP Sale price £26.00 GBP
    Sale
  • Jiffy PRO7 COCO 70/30, Coco Perlite mix – 50L bag

    Jiffy PRO7 COCO 70/30, Coco Perlite mix – 50L bag

    Jiffy PRO7 COCO 70/30, Coco Perlite mix – 50L bag

    Regular price £14.49 GBP
    Regular price Sale price £14.49 GBP
  • EazyPlug Tray x 77 (Organic Dry - 1 tray) - Propagation Growing Media)

    EazyPlug Tray x 77 (Organic Dry - 1 tray) - Propagation Growing Media)

    Sale

    EazyPlug Tray x 77 (Organic Dry - 1 tray) - Propagation Growing Media)

    Regular price £11.99 GBP
    Regular price £14.99 GBP Sale price £11.99 GBP
    Sale
  • Jiffy PRO7 ALL+ mix - 50L bag

    Jiffy PRO7 ALL+ mix - 50L bag

    Jiffy PRO7 ALL+ mix - 50L bag

    Regular price £13.00 GBP
    Regular price Sale price £13.00 GBP
  • Atami - Washed & Buffered Cocos (50 Litres) X 2 (Premium Coco Coir Mix for Vigorous Plant Growth)

    Atami - Washed & Buffered Cocos (50 Litres) X 2 (Premium Coco Coir Mix for Vigorous Plant Growth)

    Sale

    Atami - Washed & Buffered Cocos (50 Litres) X 2 (Premium Coco Coir Mix for Vigorous Plant Growth)

    Regular price £25.80 GBP
    Regular price £30.00 GBP Sale price £25.80 GBP
    Sale
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