Spray2Grow Gnat Off Root Drench is a professional-grade organic soil treatment designed to eliminate fungus gnat larvae directly in the root zone. This powerful sterilising formula instantly kills maggots and prevents further damage, helping plants recover quickly from infestations.
Unlike chemical pesticides, Gnat Off naturally breaks down into plant-safe nutrients within hours of application, leaving no harmful residues behind. Certified for use on organic crops under EU regulations, it offers growers a fast-acting, environmentally responsible solution to one of the most common root-zone pests.
Ideal for use in indoor, greenhouse, or outdoor environments, Gnat Off provides clean, reliable control of fungus gnats while supporting overall plant recovery and root health.
Key Features
Instantly Kills Fungus Gnat Larvae: Eliminates maggots in the root zone upon contact
Fast-Acting Soil Sterilant: Cleans the growing media and prevents re-infestation
Organic & Safe: Breaks down into plant-friendly nutrients within hours
Approved for Organic Use: EU-certified for organic crop protection
Supports Plant Recovery: Helps roots repair and strengthens overall plant health
Concentrated & Cost-Effective: 500 ml concentrate treats large areas efficiently
Versatile Use: Suitable for soil, coco, and organic media in all environments
How to Use ⚠️ Always wear appropriate PPE (face mask with Type B filter) before handling.
Allow growing media to dry for 2 days before treatment.
Dilute 50 ml of concentrate per 1 litre of water.
Apply evenly using a watering can, thoroughly drenching the growing media.
Repeat after 7 days to target newly hatched eggs.
Do not apply as a foliar spray and do not mix with other products.
Use immediately after dilution; do not store diluted solution.
Why Choose Gnat Off Fungus gnats can cause severe root damage, slowing growth and reducing yield. Gnat Off provides a fast, safe, and organic solution that targets larvae before they can harm your plants. By eliminating pests at the source and converting into beneficial nutrients, it offers clean, efficient control with complete peace of mind for organic growers.
Perfect For
Organic growers tackling fungus gnat infestations
Soil, coco, and organic growing media
Indoor, greenhouse, and outdoor cultivation environments
Gnat Off is an organic root drench that kills fungus gnat larvae in the root zone on contact and cleans the growing media to prevent re-infestation. It breaks down into plant-safe nutrients within hours of application.
How do I use Spray2Grow Gnat Off?
Let the media dry for 2 days, then dilute 50ml of concentrate per 1 litre of water and drench the media evenly with a watering can. Repeat after 7 days. Wear a face mask with a Type B filter when handling.
Can I spray Gnat Off on leaves or mix it with other products?
No. Gnat Off must not be used as a foliar spray or mixed with other products. Use it immediately after diluting and do not store the diluted solution.
Which growing media can Gnat Off be used in?
Gnat Off suits soil, coco and organic growing media, in indoor, greenhouse and outdoor environments. The 500ml concentrate treats large areas.
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