---
product_id: 648920006
title: "12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond"
brand: "coospider-repta"
price: "879 kr"
currency: DKK
in_stock: false
reviews_count: 5
url: https://www.desertcart.dk/products/648920006-12w-in-line-uv-light-sterilizer-for-aquarium-algae-control
store_origin: DK
region: Denmark
---

# 12W powerful UVC bulb 3 size adapters for up to 250 gal tanks Stainless steel reflective chamber +30% UV efficiency 12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond

**Brand:** coospider-repta
**Price:** 879 kr
**Availability:** ❌ Out of Stock

## Summary

> 💧 Clear your pond, clear your mind — algae doesn’t stand a chance!

## Quick Answers

- **What is this?** 12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond by coospider-repta
- **How much does it cost?** 879 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/648920006-12w-in-line-uv-light-sterilizer-for-aquarium-algae-control)

## Best For

- coospider-repta enthusiasts

## Why This Product

- Trusted coospider-repta brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Simplicity:** Easy inline setup with 3 adapter sizes fits most pumps and tanks up to 250 gallons
- • **Safe for Your Ecosystem:** Separate UV chamber protects beneficial nitrifying bacteria while eliminating harmful microbes
- • **Confidence in Every Drop:** Backed by a 180-day warranty and responsive 24-hour customer support
- • **Crystal Clear Water, Fast:** Powerful 12W UVC bulb zaps algae and bacteria in days
- • **Built to Last, Built to Shine:** Durable stainless steel chamber boosts UV exposure by 30%, outperforming plastic models

## Overview

This 12W in-line UV sterilizer features a high-efficiency stainless steel chamber that increases UV exposure by 30%, effectively controlling algae and harmful bacteria in aquariums and ponds up to 250 gallons. Its easy-to-install design includes three adapter sizes for versatile pump compatibility, ensuring safe sterilization without harming beneficial bacteria. Durable and backed by a 180-day warranty, it’s the smart choice for crystal-clear water and a healthy aquatic environment.

## Description

UV Light Clarifier For Aquarium Algae Control 12 Watta Stainless Steel Ultraviolet Sterilizer Green Killing Machine Algae remover

Review: Resistente.
Review: ⭐⭐⭐⭐⭐ I’m really impressed with this UV light. It comes in a sturdy metal-style housing that feels durable and well-made. You can’t see the light inside, but don’t let that fool you—it’s doing its job. Hookup was simple with my existing pump and hose system, no hassle at all. I was dealing with dark green water in my pond from sun exposure, and within just a few days of using this, the water started clearing up noticeably. Now it’s crystal clear! If you’re struggling with algae or murky water, this is 100% worth it. Highly recommend for anyone fighting green water problems.

## Features

- 【High UV efficiency】A reflective stainless-steel chamber increases UV reflection, and allows greater exposure to ultraviolet light, up to 30% effect than normal plastic chamber. Effective for killing various bacteria, algae control, and disease prevention.
- 【Easy To Set UP】Small size, very simple assembly process, after the assembly is completed, it can be put into use after being connected in series with the canister filter or water pump.Provides three size adapters, 12mm 16mm 20mm, suitable for fish tanks of different sizes and water pumps with different flow rates, can support aquariums up to 250 gallons
- 【In-Line UV Sterilizer】Harmful microorganisms are free in the water, and intentional nitrifying bacteria are attached to the filter material. The built-in ultraviolet light in the canister filter will damage the nitrifying bacteria attached to the filter material. This device provides a separate environment for eliminating harmful microorganisms, and ultraviolet rays will not leak to harm nitrifying bacteria, fish, and plants.
- 【180-Day Warranty】 We stand behind the quality of our product and offer a 180-day warranty. If you encounter any issues during the warranty period, please don't hesitate to reach out to us. We aim to provide excellent customer service within 24 hours.
- 【Important reminder】This device is not submersible, do not fully immerse the device in water. Ultraviolet rays are harmful to the human body. Please avoid exposing your eyes and skin to ultraviolet rays. EPA EST NO.: 96998-CHN-1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CDKSXFPD |
| Customer Reviews | 3.9 3.9 out of 5 stars (117) |
| Date First Available | 23 May 2024 |
| Manufacturer | coospider-repta |
| Package Dimensions | 34.29 x 11.61 x 7.7 cm; 812 g |

## Images

![12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond - Image 1](https://m.media-amazon.com/images/I/411gsfsUNNL.jpg)
![12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond - Image 2](https://m.media-amazon.com/images/I/41FqvRaJdXL.jpg)
![12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond - Image 3](https://m.media-amazon.com/images/I/41TwX1MHjNL.jpg)
![12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond - Image 4](https://m.media-amazon.com/images/I/513lqixYQxL.jpg)
![12W in Line UV Light Sterilizer for Aquarium Algae Control with 12 Watt UVC Bulb Stainless Steel Ultraviolet Clarifier Green Killing Machine Algae Remover for Pond - Image 5](https://m.media-amazon.com/images/I/51WnnvRu3kL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by F***R on 27 November 2023*

Resistente.

### ⭐⭐⭐⭐⭐ Review
*by �***� on 7 August 2025*

⭐⭐⭐⭐⭐ I’m really impressed with this UV light. It comes in a sturdy metal-style housing that feels durable and well-made. You can’t see the light inside, but don’t let that fool you—it’s doing its job. Hookup was simple with my existing pump and hose system, no hassle at all. I was dealing with dark green water in my pond from sun exposure, and within just a few days of using this, the water started clearing up noticeably. Now it’s crystal clear! If you’re struggling with algae or murky water, this is 100% worth it. Highly recommend for anyone fighting green water problems.

### ⭐⭐⭐⭐⭐ Review
*by S***D on 1 July 2025*

Functionality: I am on my third type of filter for a 150-gal fish pond and waterfall in my backyard. Since this is only the light and is easily installed on my pump line to the fountain (took about 10 minutes), there aren't any moving parts to break or wear out. We emptied the pond and cleaned it out before installing the light. It has been in place for 2 months now, and the water is staying clean without having to add any chemicals. This is worth the money and I would highly recommend it.

## Frequently Bought Together

- coospider-repta 12W Inline Aquarium UV Light Clarifier for Koi Pond Small Pool Filter Cold Plunge UVC Light Stainless Steel Ultraviolet Green Killing Machine Fish Tank Algae Control
- VIVOSUN 800GPH Submersible Pump(3000L/H, 24W), Ultra Quiet Water Fountain Pump with 10ft. High Lift with 6.5ft. Power Cord, 3 Nozzles for Fish Tank, Pond, Aquarium, Statuary, Hydroponics Green
- Knifel Submersible Pump 880GPH (3500L/H 60W) Ultra Quiet with Dry Burning Protection 10.2ft High Lift for Fountains, Hydroponics, Ponds, Aquariums & More…

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-10*