--- product_id: 66837404 title: "CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz" brand: "crystalclear" price: "£26.42" currency: GBP in_stock: true reviews_count: 8 category: "Crystal Clear" url: https://www.desertcart.co.uk/products/66837404-crystalclear-algae-d-solv-epa-registered-pond-algaecide-16-oz store_origin: GB region: United Kingdom --- # Fast-acting algae control Copper-free, plant-friendly formula Safe for koi & ornamental fish CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz **Brand:** crystalclear **Price:** £26.42 **Availability:** ✅ In Stock ## Summary > 🌊 Clear water, happy fish, zero hassle—your pond’s new best friend! ## Quick Answers - **What is this?** CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz by crystalclear - **How much does it cost?** £26.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/66837404-crystalclear-algae-d-solv-epa-registered-pond-algaecide-16-oz) ## Best For - crystalclear enthusiasts ## Why This Product - Trusted crystalclear brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Maintenance:** Treats up to 5,760 gallons with just 16 oz, reducing pond upkeep and eliminating scrubbing. - • **Rapid Algae Eradication:** Clears green water and string algae in under 24 hours, so your pond looks pristine fast. - • **Fish & Plant Safe Formula:** EPA-registered and copper-free, ensuring your koi and decorative plants thrive while algae fades away. - • **Simple Weekly Application:** Just 1 fl oz per 360 gallons keeps algae at bay, giving you more time to enjoy your outdoor oasis. - • **Versatile Water Treatment:** Perfect for ponds, fountains, water gardens, and aquariums—no outflow needed. ## Overview CrystalClear Algae D-Solv is a fast-acting, EPA-registered algaecide designed to eliminate various algae types in ponds and water features. Its copper-free formula is safe for koi, ornamental fish, and plants, treating up to 5,760 gallons per 16 oz bottle. Easy to apply and ideal for ongoing maintenance, it restores crystal-clear water without the need for draining or scrubbing. ## Description Buy CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz | Fast-Acting algae control for fountains & outdoor ponds containing koi & other fish, 16 oz treats 5,760 gallons.: Water Treatment - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great results!! - This is the best product I've used in my pond for 30 years!! Fish and frogs are happy, algae is sad. The water is clear and algae was gone in 24 hours. Thank you for a great product! Review: Recommend strongly - This product works very well. I’ve been using it for several years and it knocks the algae out very quickly. ## Features - Highly Effective Algaecide: Fast-acting, broad-spectrum algae remover effective in controlling many different types of algae including green water algae, string or hair algae, and blanketweed. - No More Green Water: Perfect for controlling existing algae blooms and getting your pond back on track to being clean and clear. An easy-to-use alternative to draining and scrubbing your entire pond. - Will Not Harm Koi & Ornamental Plants: Algae D-Solv contains no copper and will not harm fish or decorative plants when used as directed. Before using algae treatment, ensure pond has aeration. - Easy Application: Apply 1 fl oz Algae D-Solv per 360 gallons of water. Once pond algae growth is under control, weekly doses will control algae growth and reduce pond maintenance. - Variety of Applications: A great algae maintenance solution for fountains, self-contained aquariums, backyard ponds, lined water gardens, and decorative ponds without any outflow. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01N3UW3OR | | Best Sellers Rank | #2,215 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #8 in Water Garden & Pond Treatment | | Brand | CrystalClear | | Brand Name | CrystalClear | | Customer Reviews | 4.0 out of 5 stars 4,281 Reviews | | Included Components | CrystalClear Algae D-Solv - Registered Algaecide | | Item Form | Liquid | | Item Weight | 16 ounces | | Liquid Volume | 16 fluid ounces | | Manufacturer | Airmax | | Manufacturer Part Number | CC073-16 | | Model Number | CC073-16 | | Number of Items | 1 | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Fish | | UPC | 813166021228 | | Unit Count | 16 Fluid Ounces | ## Product Details - **Brand:** CrystalClear - **Item Form:** Liquid - **Item Weight:** 16 Ounces - **Liquid Volume:** 16 Fluid Ounces - **Unit Count:** 16.0 Fluid Ounces ## Images ![CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz - Image 1](https://m.media-amazon.com/images/I/61OLGoXPwaL.jpg) ![CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz - Image 2](https://m.media-amazon.com/images/I/81fr-gVkE5S.jpg) ![CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz - Image 3](https://m.media-amazon.com/images/I/81It46G1hiS.jpg) ![CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz - Image 4](https://m.media-amazon.com/images/I/81pBJuyt1AS.jpg) ![CrystalClear Algae D-Solv EPA Registered Pond Algaecide, 16 oz - Image 5](https://m.media-amazon.com/images/I/813HT3kzHOS.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: My rocks are still covered in algae after two applications: any tips?** A: When using CrystalClear Algae D-Solv, make sure to clean the excess algae off the sides, ornaments, and rocks before adding this product. This will reduce the amount of decaying organic matter. Also, you will get the best results using this product in conjunction with vigorous aeration and then following up with beneficial bacteria. **Q: Is this product safe to use on water features that attract birds?** A: Sorry don’t know. Ask manufacturer **Q: How much for a 300 hondred gallon pond** A: Dilute 1 ounce of CrystalClear Algae D-Solv for every 360 gallons in a container of pond water. Pour the solution into the pond in an area with the greatest circulation. You will see the best results using Algae D-Solv in conjunction with vigorous aeration. **Q: I just have a small fountain, how much should I use for 4 gallons?** A: Guessing teaspoon. A small portio you’d use in a koi pond. Read instruction. Use a small % of that. We have 2 koi ponds 4x16x2 feet and 4 ft wide and 2 feet deep x 22 feet long. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great results!! *by R***A on August 27, 2026* This is the best product I've used in my pond for 30 years!! Fish and frogs are happy, algae is sad. The water is clear and algae was gone in 24 hours. Thank you for a great product! ### ⭐⭐⭐⭐⭐ Recommend strongly *by R***S on August 27, 2026* This product works very well. I’ve been using it for several years and it knocks the algae out very quickly. ### ⭐⭐⭐⭐ Great product, works well *by S***L on October 26, 2025* This is my review of Airmax’s Pond Algae Control Product Been using this product for a bit of time. It does the job of controlling the algae in my Koi’ ponds. Depending on the size of your pond, you can get this product in 16oz, 32oz, 1 gal, 2.5 gal, sizes. It is a liquid, so it is easy to add. One word of caution, read the instructions carefully, and only add the recommended amount. If you overuse it, it can damage your plants and hurt or kill your fish. Please be careful. ## Frequently Bought Together - CrystalClear Algae D-Solv Pond Algae Control, Fast-Acting EPA Registered Algaecide, Use in Fountains & Outdoor Ponds Containing Koi & Other Fish, Treats 5,760 Gallons, 16 Ounces - CrystalClear MuckOff, Natural Pond Muck Treatment, Water Garden, Fountain & Bird Bath Sludge Remover, Living Beneficial Bacteria Clarifier with Enzyme, Fish, Aquatic Animal, & Pet Safe, 24 Tablets - Summit Clear-Water Barley Straw Pond Treatment, 2-Pack, Treats upto 2000 Gallons, 1000 Gallons per Bale --- ## 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.co.uk/products/66837404-crystalclear-algae-d-solv-epa-registered-pond-algaecide-16-oz](https://www.desertcart.co.uk/products/66837404-crystalclear-algae-d-solv-epa-registered-pond-algaecide-16-oz) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-09-08*