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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
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  • Ona - Gels (400g) (Odour Control) Ona - Gels (400g) (Odour Control)

    Ona - Gels (400g) (Odour Control)

    Ona - Gels (400g) (Odour Control)

    Regular price £10.98 GBP
    Regular price Sale price £10.98 GBP
  • 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
  • Ona - Gels (3.8 KG Pail) (Odour Control) Ona - Gels (3.8 KG Pail) (Odour Control)

    Ona - Gels (3.8 KG Pail) (Odour Control)

    Ona - Gels (3.8 KG Pail) (Odour Control)

    Regular price £42.95 GBP
    Regular price Sale price £42.95 GBP
  • ONA - Air Filter 12

    ONA - Air Filter 12

    ONA - Air Filter 12

    Regular price £40.68 GBP
    Regular price Sale price £40.68 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
  • Ona - Liquids (Odour control Liquid) Ona - Liquids (Odour control Liquid)

    Ona - Liquids (Odour control Liquid)

    Ona - Liquids (Odour control Liquid)

    Regular price £18.95 GBP
    Regular price Sale price £18.95 GBP
  • Ona - Blocks (Odour Removal Block) Ona - Blocks (Odour Removal Block)

    Ona - Blocks (Odour Removal Block)

    Ona - Blocks (Odour Removal Block)

    Regular price £9.99 GBP
    Regular price Sale price £9.99 GBP

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