--- product_id: 472415247 title: "- Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz" brand: "airmax" price: "E£ 17711" currency: EGP in_stock: true category: "Airmax" url: https://www.desertcart.com.eg/products/472415247-knockdown-defense-2-in-1-pond-algae-and-weed-control store_origin: EG region: Egypt --- # Fast-acting in 3-5 days Targets 7+ invasive aquatic plants Liquid formula for easy application - Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz **Brand:** airmax **Price:** E£ 17711 **Availability:** ✅ In Stock ## Summary > 🌊 KnockDown Defense: Your pond’s fast lane to crystal-clear waters! ## Quick Answers - **What is this?** - Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz by airmax - **How much does it cost?** E£ 17711 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/472415247-knockdown-defense-2-in-1-pond-algae-and-weed-control) ## Best For - airmax enthusiasts ## Why This Product - Trusted airmax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Action Defense:** Combats both floating algae and submerged invasive weeds with one powerful treatment. - • **Eco-Conscious Control:** Safe for amphibians, fish, and reptiles while eliminating tough aquatic invaders. - • **Rapid Restoration Power:** Clears algae & weeds in just 3-5 days to revive your pond’s natural beauty. - • **Precision Liquid Formula:** Easy-to-measure 16 fl oz liquid ensures hassle-free, uniform application every time. - • **Versatile Water Compatibility:** Effective in ponds, lakes, canals, and slow-moving waters for broad aquatic control. ## Overview Airmax Knockdown Defense is a 16 fl oz liquid algaecide and aquatic herbicide designed to rapidly eliminate a wide range of invasive pond weeds and algae within 3-5 days. Its dual-action formula works effectively in ponds, lakes, and slow-moving waters, providing a safe, easy-to-apply solution that protects aquatic life while restoring water clarity and ecosystem balance. ## Description desertcart.com : Airmax Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz | Fast-acting algaecide and aquatic weed treatment helps clear ponds and lakes with an easy-to-use liquid formula : Patio, Lawn & Garden ## Features - Powerful formula: KnockDown Defense eliminates a variety of invasive weeds and algae including: floating algae, watermeal, duckweed, watermilfoil, fanwort, hydrilla, and more. KnockDown Defense is effective in ponds, lakes, and slow moving or inactive water such as canals. - Fast results: Whether you’re dealing with floating algae or submerged aquatic plants, KnockDown works fast to eliminate algae and weeds to restore your pond or lake in 3-5 days. - Liquid formulation: KnockDown Defense is a liquid algae control and aquatic herbicide that is easy to measure, mix, and apply. For best results, apply aquatic weed control treatment with a surfactant and a tank sprayer. - Innovative solution: KnockDown Defense is a fast-acting and long-lasting combination treatment for both algae and pond weed control. Developed to be effective on even the toughest invasive lake weeds and algae. - For ponds & lakes: KnockDown Defense provides fast-acting, long-lasting pond weed control. Use 0.75-1.5 fluid ounces of KnockDown Defense for every 1/8 acre or roughly 5,500 sq/ft. Use as directed. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B3Y5Z1S8 | | Best Sellers Rank | #15,927 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #55 in Water Garden & Pond Treatment | | Brand | Airmax | | Brand Name | Airmax | | Customer Reviews | 4.5 out of 5 stars 72 Reviews | | Item Form | Liquid | | Item Weight | 0.65 kg | | Liquid Volume | 16 fluid ounces | | Manufacturer | Airmax, Inc. | | Manufacturer Part Number | 530268 | | Number of Items | 1 | | Number of Packs | 1 | | Pet Type | Amphibian, Fish, Reptile | | Target Species | Aquatic Plants | | UPC | 810089840295 | | Unit Count | 16 Fluid Ounces | ## Product Details - **Brand:** Airmax - **Item Form:** Liquid - **Item Weight:** 0.65 kg - **Liquid Volume:** 16 fluid ounces - **Number of Packs:** 1 ## Images ![- Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz - Image 1](https://m.media-amazon.com/images/I/51OUdezWiuL.jpg) ![- Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz - Image 2](https://m.media-amazon.com/images/I/71eiodQk1+L.jpg) ![- Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz - Image 3](https://m.media-amazon.com/images/I/71lwkq+iKWL.jpg) ![- Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz - Image 4](https://m.media-amazon.com/images/I/71SkDLtD8rL.jpg) ![- Knockdown Defense 2-in-1 Pond Algae & Weed Control, 16 fl oz - Image 5](https://m.media-amazon.com/images/I/61eeIG+ZPhL.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## 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.com.eg/products/472415247-knockdown-defense-2-in-1-pond-algae-and-weed-control](https://www.desertcart.com.eg/products/472415247-knockdown-defense-2-in-1-pond-algae-and-weed-control) --- *Product available on Desertcart Egypt* *Store origin: EG* *Last updated: 2026-09-23*