--- product_id: 48918509 title: "AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater" brand: "allpondsolutions" price: "$269.40" currency: USD in_stock: true reviews_count: 10 url: https://www.desertcart.us/products/48918509-allpondsolutions-18w-uv-light-steriliser-for-pond-and-aquarium-cuv store_origin: US region: United States of America --- # Clarifies up to 12,000L pond water 18W powerful UV steriliser Flow rate 2500 L/H for efficient filtration AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater **Brand:** allpondsolutions **Price:** $269.40 **Availability:** ✅ In Stock ## Summary > 💧 Clear water, clear mind – elevate your pond game! ## Quick Answers - **What is this?** AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater by allpondsolutions - **How much does it cost?** $269.40 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/48918509-allpondsolutions-18w-uv-light-steriliser-for-pond-and-aquarium-cuv) ## Best For - allpondsolutions enthusiasts ## Why This Product - Trusted allpondsolutions brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **High Flow Efficiency:** 2500 liters per hour flow rate ensures rapid sterilisation and clarity. - • **Universal Fit Adapters:** Multiple inlet/outlet sizes (0.75" to 1.5") for seamless integration with your existing setup. - • **Massive 12,000L Capacity:** Perfect for large ponds and aquariums, keeping your aquatic environment pristine. - • **Crystal Clear Water, Always:** Effectively clumps algae for easy filtration, banishing green water. - • **Low Maintenance, High Impact:** Annual bulb replacement keeps your pond sparkling with minimal effort. ## Overview The AllPondSolutions 18W UV Light Steriliser (CUV-118) is designed for ponds and aquariums up to 12,000 litres, using powerful UV light to clump algae particles for easy filtration. With a flow rate of 2500 L/H and versatile adapter sizes, it integrates smoothly into your water system, ensuring crystal-clear water and a healthier aquatic environment with minimal maintenance. ## Description The All Pond Solutions CUV-118 18w UV Steriliser's Ultra Violet Clarifier (UVC) continues to form a key element of a clear water system. The UV light causes algae (green water) to clump together (flocculate) so that they can be sieved out of the water by the filter. ## Features - Suitable for Pond Sizes up to 12,000 Litres. Through Flow Sterilisation at 2500 L/H - Clear Water – Adding a UV Steriliser to your pond or aquarium will help keep your pond or aquarium water looking crystal clear. UV lights need to be used with a pond filter or aquarium filter. - UV Sterilisers work by clumping the small algae particles together for the filtration system to then catch the algae within the filter helping to keep the water crystal clear. - UV Lights should have the bulbs changed once a year for pond preferably in the spring and six monthly for aquariums. - Inlet & Outlet Adapter 0.75, 1, 1.25, 1.5 / 19mm, 25mm, 32mm, 38mm ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B00CMQXJ6C | | Best Sellers Rank | 11,641 in Garden (See Top 100 in Garden) 7 in Water Garden & Pond Ultraviolet Sterilisers | | Brand Name | allpondsolutions | | Customer Reviews | 4.4 4.4 out of 5 stars (436) 4.4 out of 5 stars | | Global Trade Identification Number | 05060214408370 | | Item Form | Solid | | Item Weight | 1 Kilograms | | Liquid Volume | 12000 Litres | | Manufacturer | All Pond Solutions | | Manufacturer Part Number | CUV-118 | | Model Number | CUV-118 | | Pet Type | Fish | | Target Species | Fish | ## Product Details - **Brand:** allpondsolutions - **Item form:** Solid - **Item weight:** 1 Kilograms - **Liquid volume:** 12000 Litres - **Manufacturer:** All Pond Solutions ## Images ![AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater - Image 1](https://m.media-amazon.com/images/I/61fXZlDw7cL.jpg) ![AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater - Image 2](https://m.media-amazon.com/images/I/514x2Njp42L.jpg) ![AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater - Image 3](https://m.media-amazon.com/images/I/41AhdvSdZ2L.jpg) ![AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater - Image 4](https://m.media-amazon.com/images/I/41CC9I6OB-L.jpg) ![AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater - Image 5](https://m.media-amazon.com/images/I/61tAigIAhSL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well. *by on Reviewed in the United Kingdom 21 May 2026* Excellent value for money. ### ⭐⭐⭐⭐⭐ Effective UV Steriliser for ponds *by on Reviewed in the United Kingdom 24 May 2024* My garden fish-pond had a severe attack of "green-water" (mainly blanket weed growth) following the winter, and the water had become nearly opaque. After fitting this steriliser in front of, and in series with, the pond filter system, the water was virtually clear within a week. I can now see the fish clearly right down to more than a metre below the surface. A very effective device. It's advisable, of course, to choose a model that's capable of dealing with the particular pond size it's used for. The UV light has the effect of killing and coagulating the blanket weed spores and cells. ### ⭐⭐⭐⭐ First impressions - Good. *by on Reviewed in the United Kingdom 14 June 2025* Read the manual before buying.The Ballast is roughly 1m from the end of the cable, so shortening the cable is not possible.The device draws 29.5W, according to my wattmeter, during testing, and the ballast becomes mildly warm.The unit has its I/O in multiple directions, so do consider where it is to go. The Ballast is also reasonably large.The unit is elementary to put together and didn't leak - good.I will update the review in a week or so and comment on the water clarity.The viewports are useless in a UK summer sun. I will try them again later tonight.The best part by far is the transparent hose tail with the spinning propeller inside, showing water flow.Update 2 weeks later. My small 1000L pond is now crystal clear after being green for years. Fustratingly, I also a month ago improved by mechanical filtering, so this is not a scientific test. ## Frequently Bought Together - AllPondSolutions 18w UV Light Steriliser for Pond & Aquarium - CUV-118 Fish Tank & Pond Clarifier - Helps Remove Algae and Greenwater - allpondsolutions 18W PLL 4 Pin UV Bulb/Tube/Lamp/UVC Ultraviolet Steriliser Light for Ponds and Aquariums. - Evolution Aqua Pure Pond Bomb – for Crystal Clear Healthy Water, Treats up to 20,000 litres --- ## 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.us/products/48918509-allpondsolutions-18w-uv-light-steriliser-for-pond-and-aquarium-cuv](https://www.desertcart.us/products/48918509-allpondsolutions-18w-uv-light-steriliser-for-pond-and-aquarium-cuv) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-06-23*