---
product_id: 691650151
title: "Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula"
brand: "ready steady defend"
price: "1653588₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Ready Steady Defend"
url: https://www.desertcart.vn/products/691650151-fungus-gnat-killer-spray-500ml-organic-protection-against-sciarid-flies
store_origin: VN
region: Vietnam
---

# 500ml organic formula targets adults & larvae eco-friendly biodegradable Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula

**Brand:** ready steady defend
**Price:** 1653588₫
**Availability:** ✅ In Stock

## Summary

> 🌱 Say goodbye to gnats, hello to thriving plants!

## Quick Answers

- **What is this?** Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula by ready steady defend
- **How much does it cost?** 1653588₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/691650151-fungus-gnat-killer-spray-500ml-organic-protection-against-sciarid-flies)

## Best For

- ready steady defend enthusiasts

## Why This Product

- Trusted ready steady defend brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Purely Organic Power:** Formulated with natural soya oils and potassium salts—no harsh chemicals here.
- • **Sustainable Plant Care:** Protects roots and promotes growth while being kind to the environment.
- • **Dual-Action Pest Control:** Eliminates fungus gnats at every life stage for total plant protection.
- • **Ready-to-Use Convenience:** Shake, spray, and watch pests vanish—no mixing or mess required.
- • **Versatile Indoor & Outdoor Use:** Safe for all your houseplants, seedlings, and garden favorites.

## Overview

This 500ml Fungus Gnat Killer Spray offers an organic, eco-friendly solution to eradicate both adult and larval fungus gnats. Safe for indoor and outdoor use, it promotes healthier plant growth by protecting roots without harmful chemicals. Ready-to-use and biodegradable, it’s the smart choice for millennial plant parents seeking effective, sustainable pest control.

## Description

Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula : desertcart.co.uk: Garden

Review: Efficacious - Easy to apply, with no odour, plus the plants seem unaffected. But most importantly, it see seems very effective against compost flies: a tsunami of flies turned into a trickle in a few days after initial application, and a second use stopped them completely. Recommended
Review: Caution, it may not work as well as expected - Sadly this item has not been successful for me.

## Features

- Use biocides safely. Always read the label and product information before use.
- Eradicate fungus gnats with our Fungus Gnat Killer Spray. Perfectly formulated to target adults and larvae, this powerful solution prevents root damage and promotes healthier plant growth, ensuring effective pest control for houseplants and seedlings alike.
- Crafted from insecticidal soap with potassium salts and natural soya oils, our eco-friendly Fungus Gnat Killer Spray offers a safe, biodegradable alternative to traditional pesticides. Ideal for use on indoor and outdoor plants without harming the environment.
- Versatile and easy to apply, our spray is suitable for garden, greenhouse, or home use. It protects a broad range of plants from sciarid flies, ensuring your plant's environment remains healthy and vibrant without the use of harsh chemical treatments.
- Ready-to-use formula; shake well and apply directly to soil and lower areas of plants where fungus gnats are prevalent. Regular application ensures comprehensive control and protection against these pests, safeguarding your plant's health and growth.
- Our Fungus Gnat Killer not only eliminates current infestations but also prevents future occurrences. Regular use fosters robust root systems and flourishing plant growth, making it an essential part of your plant care regimen for continued health and vitality.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DR8TF5NB |
| Batteries Required? | No |
| Best Sellers Rank | 6,613 in Garden ( See Top 100 in Garden ) 26 in Outdoor Multi-Insect Control |
| Customer Reviews | 3.6 3.6 out of 5 stars (57) |
| Date First Available | 23 Dec. 2024 |
| Included components | Spray |
| Item Weight | 600 g |
| Manufacturer | Ready Steady Defend |
| Manufacturer reference | FGS500ML |
| Package Dimensions | 24.6 x 10.3 x 5.7 cm; 600 g |
| Part number | FGS500ML |
| Size | 500ml |

## Images

![Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula - Image 1](https://m.media-amazon.com/images/I/41dn71Mfp5L.jpg)
![Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula - Image 2](https://m.media-amazon.com/images/I/515nkBb3QaL.jpg)
![Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula - Image 3](https://m.media-amazon.com/images/I/51ES7UvjLvL.jpg)
![Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula - Image 4](https://m.media-amazon.com/images/I/51HfYCrjX0L.jpg)
![Fungus Gnat Killer Spray 500ml | Organic Protection Against Sciarid Flies | Effective for Houseplants, Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula - Image 5](https://m.media-amazon.com/images/I/51QkT0rW4eL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Efficacious
*by J***O on 10 January 2026*

Easy to apply, with no odour, plus the plants seem unaffected. But most importantly, it see seems very effective against compost flies: a tsunami of flies turned into a trickle in a few days after initial application, and a second use stopped them completely. Recommended

### ⭐ Caution, it may not work as well as expected
*by L***L on 3 January 2026*

Sadly this item has not been successful for me.

### ⭐⭐⭐ Safe household protection
*by P***E on 22 September 2025*

After two weeks the fungus fly have gone completely.

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-01-27*