--- product_id: 39003756 title: "In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart" brand: "in the swim" price: "404.40 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/39003756-in-the-swim-winter-algaecide-for-above-ground-and-inground store_origin: TN region: Tunisia --- # Active in cold temps Winter-long algae defense Safe on all pool surfaces In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart **Brand:** in the swim **Price:** 404.40 DT **Availability:** ✅ In Stock ## Summary > 🧊 Winter-proof your pool, so you never miss a swim season! ## Quick Answers - **What is this?** In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart by in the swim - **How much does it cost?** 404.40 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/39003756-in-the-swim-winter-algaecide-for-above-ground-and-inground) ## Best For - in the swim enthusiasts ## Why This Product - Trusted in the swim brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Freeze-Proof Algae Shield:** Keeps your pool pristine all winter without losing potency under ice and snow. - • **Trusted & Top-Ranked Formula:** Highly rated with 4.7 stars and a top 15 spot in swimming pool algaecides—join thousands who trust In The Swim. - • **One-Time Seasonal Application:** Apply once before closing and enjoy stress-free, crystal-clear water when you reopen. - • **Effortless Spring Pool Opening:** Prevents stubborn algae blooms, saving you time and costly shock treatments come warm weather. - • **Universal Surface Compatibility:** Gentle on vinyl, plaster, fiberglass, and all filtration systems—no stains, no bleach, no hassle. ## Overview In The Swim Winter Algaecide is a powerful, cold-weather pool treatment designed to prevent all types of algae growth throughout the winter months. Its unique formula remains effective under freezing conditions, protecting above ground and inground pools without damaging surfaces or filtration systems. With one easy application, it simplifies spring pool opening by eliminating algae buildup, ensuring your pool is swim-ready when the warm weather returns. ## Description desertcart.com : In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart | Prevent Blue-Green, Green, Yellow, and Black Algae All Winter Season : Swimming Pool Winterizing Chemicals : Patio, Lawn & Garden ## Features - Winter Long Protection – Specially formulated winter algaecide provides a strong defense against algae growth during the cold months, keeping your pool water clean, clear, and free from costly springtime surprises. - Simplify Opening Season – By preventing stubborn algae blooms before they start, you’ll avoid expensive cleanups, extra shock treatments, and wasted opening weeks, making pool start-up fast and hassle-free. - Works in Cold, Harsh Conditions – Unlike regular treatments that lose strength as water temperatures drop, this winter formula remains active under ice and snow, giving you continuous protection all season. - Safe for All Pool Surfaces & Systems – Compatible with vinyl, plaster, fiberglass, and all filtration systems, this non-foaming winter algaecide protects without staining, bleaching, or disrupting your pool’s balance. - Peace of Mind Through Spring – One easy application before closing locks in protection, so you can enjoy the off-season stress-free knowing your pool will be crystal clear and swim-ready when warm weather returns. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002WKQ0PU | | Best Sellers Rank | #4,907 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #14 in Swimming Pool Algaecides | | Brand Name | In The Swim | | Customer Reviews | 4.7 4.7 out of 5 stars (863) | | Item Form | Liquid | | Item Highlight | Prevent Blue-Green, Green, Yellow, and Black Algae All Winter Season | | Item Weight | 2.6 pounds | | Manufacturer | In The Swim Discount Pool Supplies | | Manufacturer Part Number | C050001012AE | | Model Number | C050001012AE | | Number of Items | 1 | | Number of Packs | 1 | | Package Size Name | 1 Quart | | Product Benefits | Controls Algae | | UPC | 758293053424 | | Unit Count | 32 Fluid Ounces | ## Product Details - **Brand:** In The Swim - **Item Form:** Liquid - **Item Weight:** 2.6 pounds - **Product Benefits:** Controls Algae - **UPC:** 758293053424 ## Images ![In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart - Image 1](https://m.media-amazon.com/images/I/61Oz-0rmXrL.jpg) ![In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart - Image 2](https://m.media-amazon.com/images/I/41TOghldvhL.jpg) ![In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart - Image 3](https://m.media-amazon.com/images/I/41Ezqo9abFL.jpg) ![In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart - Image 4](https://m.media-amazon.com/images/I/41bNi5vv8UL.jpg) ![In The Swim Winter Algaecide for Above Ground and Inground Pools - 1 Quart - Image 5](https://m.media-amazon.com/images/I/51VNJu7AusL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can you use in summer? My pool man left 2 quarts behind last year** A: Would save for winter **Q: I'm not sure why this isn't shipped to ca, is it sold in stores in ca?** A: Yes u can purchase in California **Q: Would you have to add this BEFORE lowering the water level? Otherwise, how would you be able to run the filter to circulate product, as instructed??** A: I always add it after water is lowered, just pour it around pool and it worked fine for us **Q: Does it contain cooper?** A: yes ## Frequently Bought Together - In The Swim Winter Swimming Pool Algaecide - 1 Quart - In The Swim Pool Closing Kit - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 15,000 Gallons - SeaKlear AquaPill WinterPill Pool Clarifier and Enzyme up to 30,000 Gallons 91222APL --- ## 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.tn/products/39003756-in-the-swim-winter-algaecide-for-above-ground-and-inground](https://www.desertcart.tn/products/39003756-in-the-swim-winter-algaecide-for-above-ground-and-inground) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-23*