--- product_id: 639572189 title: "– Fungus Gnat Killer Spray 500ml - Polymer-Free, Long-Lasting Protection | Eradicates, Controls & Safeguards Garden & House Plants | Ideal for Flowers, Fruits, Vegetables & Shrubs | Indoor & Outdoor Use" brand: "ready steady defend" price: "¥6700" currency: JPY in_stock: true reviews_count: 8 category: "Ready Steady Defend" url: https://www.desertcart.jp/products/639572189-fungus-gnat-killer-spray-500ml-polymer-free-long-lasting-protection store_origin: JP region: Japan --- # polymer-free plant-safe formula 500ml precision spray long-lasting soil barrier – Fungus Gnat Killer Spray 500ml - Polymer-Free, Long-Lasting Protection | Eradicates, Controls & Safeguards Garden & House Plants | Ideal for Flowers, Fruits, Vegetables & Shrubs | Indoor & Outdoor Use **Brand:** ready steady defend **Price:** ¥6700 **Availability:** ✅ In Stock ## Summary > 🌱 Defend your green kingdom—gnats don’t stand a chance! ## Quick Answers - **What is this?** – Fungus Gnat Killer Spray 500ml - Polymer-Free, Long-Lasting Protection | Eradicates, Controls & Safeguards Garden & House Plants | Ideal for Flowers, Fruits, Vegetables & Shrubs | Indoor & Outdoor Use by ready steady defend - **How much does it cost?** ¥6700 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/639572189-fungus-gnat-killer-spray-500ml-polymer-free-long-lasting-protection) ## 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 - • **Versatile Plant Care:** Safe and effective for flowers, fruits, vegetables, and shrubs—perfect for any green space. - • **Boosts Plant Vitality:** Direct pest control promotes healthier, more vibrant plants, enhancing your garden’s natural beauty. - • **Effortless Application:** Ergonomic spray nozzle ensures even coverage for both indoor and outdoor plants. - • **Sustained Pest Protection:** Long-lasting formula reduces reapplication frequency, keeping your garden thriving with minimal upkeep. - • **Targeted Fungus Gnat Defense:** Advanced polymer technology forms a protective shield on soil, halting gnats at the source. ## Overview READY STEADY DEFEND Fungus Gnat Killer Spray is a 500ml polymer-free liquid designed to eradicate and control fungus gnats by forming a long-lasting protective barrier on soil and plants. Suitable for indoor and outdoor use on flowers, fruits, vegetables, and shrubs, it offers easy application with an ergonomic spray bottle and promotes healthier plant growth by targeting pests at their source. ## Description Product Description Review: Fungus gnat eradication - This product is really good for eradicating fungus gnats. One of the best I have tried. Review: Instant kill, doesn't solve the root of the issue - It does kill them, feels a bit cruel and you end up with sticky smelling liquid everywhere doesn't actually address the root of the problem ## Features - Use biocides safely. Always read the label and product information before use. - Advanced Polymer Technology: Our Fungus Gnat Killer Spray utilizes innovative polymer technology to deliver a precise, targeted attack on fungus gnat infestations. The formula adheres to soil and plants, creating an effective barrier that disrupts gnat life cycles and protects your greenery. - Efficient Soil Barrier Formation: Apply this potent polymer spray to form a protective layer on the soil, deterring fungus gnat larvae from thriving. This method not only impedes their development into damaging adults but also secures your plants against potential infestations and promotes healthier growth. - Designed for Ease of Use: This product comes in a user-friendly spray bottle for effortless application. The nozzle design allows for even distribution, covering all necessary areas efficiently. This makes the treatment process manageable and effective, suitable for both novice and experienced gardeners. - Enhancement of Plant Health: Incorporating our Fungus Gnat Killer Spray into your gardening regimen aids in maintaining robust plant health by addressing pests directly at their source. It’s compatible with various gardening practices and provides a healthier environment for your plants to flourish. - Lasting Protection: The spray maintains its potency over time, continuing to protect against fungus gnats and other pests with lasting effectiveness. This reduces the need for frequent applications, keeping your garden, greenhouse, or indoor plants healthy and pest-free with minimal maintenance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D7CX339W | | Best Sellers Rank | 42,857 in Garden ( See Top 100 in Garden ) 177 in Outdoor Multi-Insect Control | | Brand | READY STEADY DEFEND | | Brand Name | READY STEADY DEFEND | | Country of Origin | United Kingdom | | Customer Reviews | 3.5 out of 5 stars 194 Reviews | | Item Form | Liquid | | Item form | Liquid | | Liquid Volume | 500 | | Liquid volume | 500 | | Manufacturer | Ready Steady Defend | | Part Number | Fungus-gnat-Killer-Spray-500ml | ## Product Details - **Item form:** Liquid - **Liquid volume:** 500 - **Brand:** READY STEADY DEFEND ## Images ![– Fungus Gnat Killer Spray 500ml - Polymer-Free, Long-Lasting Protection | Eradicates, Controls & Safeguards Garden & House Plants | Ideal for Flowers, Fruits, Vegetables & Shrubs | Indoor & Outdoor Use - Image 1](https://m.media-amazon.com/images/I/61E3q6GFiTL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fungus gnat eradication *by H***S on 12 March 2026* This product is really good for eradicating fungus gnats. One of the best I have tried. ### ⭐⭐⭐ Instant kill, doesn't solve the root of the issue *by R***S on 28 January 2026* It does kill them, feels a bit cruel and you end up with sticky smelling liquid everywhere doesn't actually address the root of the problem ### ⭐⭐⭐⭐ Good in addition to fungus gnat stickers *by N***E on 6 December 2024* We caught a few stationary gnats with this. Won't get rid of them alone. Smells ok and non toxic so can use in kitchen . ## Frequently Bought Together - Fungus Gnat Killer Spray 500ml - Polymer-Free, Long-Lasting Protection | Eradicates, Controls & Safeguards Garden & House Plants | Ideal for Flowers, Fruits, Vegetables & Shrubs | Indoor & Outdoor Use - aonova Fruit Fly Traps, Pack 30 Yellow Double-sided Fungus Gnat Sticky Catcher for Plants Indoor and Outdoor Insects Fly Control - Non-Toxic, Waterproof - Bloom & Bud Fungus Gnat Killer for Indoor Plants (1 Litre): Ultimate Indoor Plant Protector for No Gnat Pot Topping with Gravel Mulch Systemic Granules|Plant Gravel for Gravel for Indoor Pot Anti Gnat --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/639572189-fungus-gnat-killer-spray-500ml-polymer-free-long-lasting-protection](https://www.desertcart.jp/products/639572189-fungus-gnat-killer-spray-500ml-polymer-free-long-lasting-protection) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-08*