Pest control products are essential for protecting indoor plants from insects such as spider mites, thrips, aphids and whiteflies. These pests can quickly spread in indoor environments and cause serious damage if not treated early.

At Acorn Horticulture, we supply pest control products in the UK, including sprays, fumers and treatments designed for indoor growing. Whether you are using grow tents, grow kits or full hydroponic systems, effective pest control helps maintain a clean and productive growing environment.

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Guard’n’Aid PestOFF Plus Mini Fumer 7g Pack of 2

£11.00 incl. Vat

Guard'n'Aid PestOFF Plus Mini Fumer 7g Pack of 2 is a compact smoke generator designed to help control crawling and flying insects in enclosed growing spaces and other difficult-to-reach areas.

  • Mini fumer format for targeted treatment in smaller enclosed spaces
  • Permethrin based smoke generator
  • Suitable for use against crawling and flying insects
  • Useful for grow rooms, empty glasshouses and awkward areas
  • Smoke helps reach cracks, corners and hidden spaces
  • Supplied as a convenient pack of 2 mini 7g fumers

Guard’n’Aid PestOFF Plus Midi Fumer 15g

£11.00 incl. Vat

Guard'n'Aid PestOFF Plus Midi Fumer 15g is a permethrin based smoke generator designed to help treat flying and crawling insect problems in hard to reach areas such as grow rooms and empty glasshouses.

  • Permethrin based fumer for difficult to access spaces
  • Suitable for use against crawling and flying insects
  • Useful for grow rooms and empty glasshouses
  • Smoke action helps disperse treatment through enclosed areas
  • Handy midi 15g format for practical treatment applications
  • Part of the Guard'n'Aid PestOFF Plus fumer range

Guard’n’Aid PestOFF Plus Maxi Fumer 31g

£20.00 incl. Vat

Guard'n'Aid PestOFF Plus Maxi Fumer 31g is a permethrin-based smoke generator designed to help control crawling and flying insects in hard-to-reach spaces such as grow rooms and empty glasshouses.

  • Permethrin-based fumer for enclosed treatment areas
  • Suitable for use against crawling and flying insects
  • Useful for difficult-to-reach places where sprays may be less practical
  • Designed for grow rooms and empty glasshouses
  • Maxi 31g format for larger treatment needs than smaller fumer options
  • Ideal as part of a wider hygiene and pest management routine

CX Tanlin 20ml

£18.50 incl. Vat

CX Tanlin 20ml is a biological treatment designed to help manage fungus gnat problems in hydroponic systems, soil, compost and coco fibre throughout the full growing cycle.

  • Biological treatment for fungus gnat and sciarid fly issues
  • Suitable for preventative use or active infestations
  • Can be used during all stages of plant growth
  • No withholding period and can be used up to harvest
  • Non toxic and safe to humans, animals and the environment
  • Effective in hydroponics, soil, compost and coco fibre

Sticky Fly Traps Pack of 5

£5.00 incl. Vat

Sticky Fly Traps Pack of 5 are a simple and practical way to help monitor and catch flying insect pests around houseplants, grow areas and propagation spaces.

  • Pack of 5 sticky fly traps
  • Helps catch and monitor flying pests in the grow area
  • Useful for routine pest checks around plants and pots
  • Suitable for indoor horticulture, propagation and houseplants
  • Easy to position where pest activity is most likely
  • Ideal as part of a wider pest control routine

What Is Pest Control in Indoor Growing?

Pest control refers to the management and elimination of insects that can damage plants, reduce yields and spread disease. Indoor environments can allow pests to multiply quickly if not controlled properly.

Common Indoor Plant Pests

  • Spider mites
  • Thrips
  • Aphids
  • Whiteflies
  • Fungus gnats

Products in this category include insecticides and fumers designed to target these pests at different stages of their lifecycle. :contentReference[oaicite:1]{index=1}

Why Pest Control Is Important

  • Prevents infestations spreading
  • Protects plant health and yield
  • Supports cleaner indoor environments
  • Helps maintain consistent growth

Pest Control and Grow Room Hygiene

Pest control works best alongside good grow room practices, including:

Preventative vs Reactive Pest Control

Many growers use pest control both to prevent infestations and to treat existing problems. Early detection and quick action are key to avoiding major issues.

Helpful Guides

Shop Pest Control in the UK

Browse our full range of pest control products above to protect your indoor grow from insects and infestations.

FAQs

What pests affect indoor plants?

Common pests include spider mites, thrips, aphids and fungus gnats.

How do I get rid of pests in a grow tent?

Use targeted pest control products and improve airflow and hygiene.