--- product_id: 57392465 title: "Desjoyaux Pools - Premium Grade Algaecide 5L – Long-Lasting Algae Prevention & Treatment for Swimming Pools, Hot Tubs & Spas – Powerful Pool Chemical for Clear Water, Prevents Green Algae Growth" brand: "desjoyaux" price: "€ 88.46" currency: EUR in_stock: true reviews_count: 8 category: "Desjoyaux" url: https://www.desertcart.it/products/57392465-desjoyaux-pools-premium-grade-algaecide-5l-long-lasting-algae-prevention store_origin: IT region: Italy --- # fast-acting algae elimination 10ml/m³ ultra-concentrated dose chlorine-free, non-staining formula Desjoyaux Pools - Premium Grade Algaecide 5L – Long-Lasting Algae Prevention & Treatment for Swimming Pools, Hot Tubs & Spas – Powerful Pool Chemical for Clear Water, Prevents Green Algae Growth **Brand:** desjoyaux **Price:** € 88.46 **Availability:** ✅ In Stock ## Summary > 💦 Keep your pool party-ready with zero green in sight! ## Quick Answers - **What is this?** Desjoyaux Pools - Premium Grade Algaecide 5L – Long-Lasting Algae Prevention & Treatment for Swimming Pools, Hot Tubs & Spas – Powerful Pool Chemical for Clear Water, Prevents Green Algae Growth by desjoyaux - **How much does it cost?** € 88.46 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/57392465-desjoyaux-pools-premium-grade-algaecide-5l-long-lasting-algae-prevention) ## Best For - desjoyaux enthusiasts ## Why This Product - Trusted desjoyaux brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Algae Eradication:** Fast-acting formula works instantly when added near filtration nozzles—see results, not wait. - • **Trusted Premium Quality:** From Desjoyaux Pools, a global leader in pool care, ensuring reliable, professional-grade performance. - • **Year-Round Algae Defense:** Prevents green algae buildup on walls and floors, keeping your pool pristine through every season. - • **Versatile Pool Compatibility:** Safe for all pool types, including spas and hot tubs, indoor or outdoor, chlorine or electrolysis treated. - • **Effortless Crystal Clear Water:** Just 10ml per cubic meter delivers powerful algae prevention without chlorine hassle. ## Overview Desjoyaux Pools Premium Grade Algaecide is a highly concentrated, chlorine-free treatment designed for fast, effective algae prevention and removal in swimming pools, hot tubs, and spas. Requiring only 10ml per cubic meter, it works quickly when applied near filtration nozzles and is compatible with all pool types. Trusted worldwide, this non-staining formula ensures crystal-clear water year-round while protecting your investment from green algae growth. ## Description Great prices on your favourite Gardening brands, and free delivery on eligible orders. Review: It works wonderful - We have been using this in our pool over this summer. Unfortunately we have not been able to use the pool as much as we would like because of the rain. But this has kept the algae at bay Review: Works well - Turned my pool from dark green to clear. Basically, it kills algae, which is good. ## Features - Causes serious eye damage. - Causes severe skin burns and eye damage. - Use biocides safely. Always read the label and product information before use. - Very toxic to aquatic life with long lasting effects. - Swimming pool algae remover - This premium grade, chlorine-free algae treatment is a quick, simple, hassle-free and extremely effective preventative treatment for green algae. It is designed for use in pools, hot tubs and spas, and prevents the formation of algae on both the walls and bottom of your facilities all year round. - High performance pool algae treatment - Our premium grade algaecide for swimming pools has a high concentration of algaecide and energetic bactericide, requiring just 10ml per m3. This ensures a highly soluble, fast-acting solution. - Quick-action pool algaecide - Our fast-acting pool algaecide is quick and easy to use. When the filtration system is in operation, simply pour the treatment near the delivery nozzles. - Spa, swimming pool and hot tub algaecide treatment - This non-staining algaecide can be used for spas, hot tubs and swimming pools, and it is compatible with all pool types. This includes built-in outdoor and indoor pools, and pools treated with chlorine or electrolysis. - Desjoyaux Pools algaecide treatment - Desjoyaux Pools is a trusted UK business, and one of the world’s leading suppliers of pool water treatment chemicals. Our extensive product range includes pool chemicals, pool maintenance equipment, and various other accessories - everything that the modern day swimming pool needs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01LBEY25M | | Best Sellers Rank | 42,311 in Garden ( See Top 100 in Garden ) 12 in Algaecides | | Customer Reviews | 4.4 4.4 out of 5 stars (478) | | Date First Available | 30 Aug. 2016 | | Item display height | 28 centimetres | | Item display width | 18 centimetres | | Manufacturer reference | 19645 | | Package Dimensions | 32.29 x 24.5 x 13.4 cm; 5.19 kg | | Part number | 19645 | ## Product Details - **Brand:** Desjoyaux - **Item form:** Liquid - **Number of items:** 1 - **Product benefits:** Metal Free - **Unit count:** 5000 millilitre(s) ## Images ![Desjoyaux Pools - Premium Grade Algaecide 5L – Long-Lasting Algae Prevention & Treatment for Swimming Pools, Hot Tubs & Spas – Powerful Pool Chemical for Clear Water, Prevents Green Algae Growth - Image 1](https://m.media-amazon.com/images/I/41E1QbA4PYL.jpg) ## Questions & Answers **Q: hi i have a24ft x12ft aprox 11000 gallons all levels are ok i brought 5 ltrs of anti algae how much should i put in my pool** A: Good afternoon. For seasonal opening, it's recommend to use 20 ml, per cubic meter of water within the pool as an initial treatment. Regards Desjoyaux Pools. **Q: Hi thereI’m having trouble calculating how much to put in my 10ft round 2 ft deep pool how many litres do I put in thanks in advance** A: I have a 16ft pool and I put 1 litre in as it was slightly green. A week later I added another 1 litre and it cleared completely. **Q: Hi my pool measures 10m*5m length and depth of 1.5m. I have bought 2 5l drums of your cleaner and still it is not clearing it the pool I might have to** A: Good morning, anti-algae is a preventer used to stop algae from forming within a pool. Can you advise please your pH and chlorine levels? We can happily provide any advice over the phone on, 01483 608401. Regards Desjoyaux Pools UK. **Q: Hi There. Can this be used in a 8 foot plastic Intex pool and if so how long would one bottle last?** A: Hi, This can happily be used in the pool, for best results it should be used in water with a maintained level of chlorine. The lifespan very much depends on the pool type, level of filtration and if the pool is covered of an evening and when not in use. Regards Desjoyaux Pools ## Customer Reviews ### ⭐⭐⭐⭐⭐ It works wonderful *by M***Y on 4 August 2023* We have been using this in our pool over this summer. Unfortunately we have not been able to use the pool as much as we would like because of the rain. But this has kept the algae at bay ### ⭐⭐⭐⭐⭐ Works well *by S***E on 15 October 2023* Turned my pool from dark green to clear. Basically, it kills algae, which is good. ### ⭐⭐⭐⭐ Pool cleaner *by A***N on 18 June 2025* Needed English instructions don't do french or spanish ## Frequently Bought Together - Desjoyaux Pools - Premium Grade Algaecide 5L – Long-Lasting Algae Prevention & Treatment for Swimming Pools, Hot Tubs & Spas – Powerful Pool Chemical for Clear Water, Prevents Green Algae Growth - Bluewater Chlorine Granules 5kg - Swimming Pool & Spa - Granular Shock Chlorine Tub of 5 Kg- Blue Horizons --- ## 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.it/products/57392465-desjoyaux-pools-premium-grade-algaecide-5l-long-lasting-algae-prevention](https://www.desertcart.it/products/57392465-desjoyaux-pools-premium-grade-algaecide-5l-long-lasting-algae-prevention) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-05-09*