---
product_id: 40451825
title: "AAV20025 Mercury Quartz Lamp for Aquarium, 25-watt"
brand: "aqua ultraviolet"
price: "€ 147.76"
currency: EUR
in_stock: true
reviews_count: 8
category: "Aqua Ultraviolet"
url: https://www.desertcart.hr/products/40451825-aav20025-mercury-quartz-lamp-for-aquarium-25-watt
store_origin: HR
region: Croatia
---

# 25W powerful UV sterilization 17.5-inch precision fit Proudly made in USA AAV20025 Mercury Quartz Lamp for Aquarium, 25-watt

**Brand:** aqua ultraviolet
**Price:** € 147.76
**Availability:** ✅ In Stock

## Summary

> 💧 Illuminate your aquatic world with crystal clarity!

## Quick Answers

- **What is this?** AAV20025 Mercury Quartz Lamp for Aquarium, 25-watt by aqua ultraviolet
- **How much does it cost?** € 147.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/40451825-aav20025-mercury-quartz-lamp-for-aquarium-25-watt)

## Best For

- aqua ultraviolet enthusiasts

## Why This Product

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

## Key Features

- • **Seamless OEM Replacement:** Perfectly engineered for Aqua Ultraviolet sterilizers—plug & play ease
- • **Durability Meets Precision:** High-quality mercury quartz lamp ensures consistent performance for 12+ months
- • **Effortless Maintenance Upgrade:** Restore your aquarium’s clarity and reduce filter changes—see the difference fast
- • **Crystal Clear Water, Every Time:** 25-watt UV power eliminates algae & bacteria for pristine aquariums
- • **Made in the USA, Trusted Worldwide:** Crafted domestically with premium materials for reliability and peace of mind

## Overview

The AAV20025 Mercury Quartz Lamp is a 25-watt ultraviolet replacement bulb designed specifically for Aqua Ultraviolet sterilizers. Measuring 17.5 inches, this premium mercury quartz lamp is made in the USA and delivers powerful UV sterilization to keep aquarium water crystal clear by eliminating algae and harmful bacteria. Recommended for annual replacement, it offers reliable, long-lasting performance that reduces maintenance and enhances aquatic visibility.

## Description

Product Highlight(s): OEM replacement for Aqua UV sterilizers Recommended replacement every 12 months Replacement part # A20025 Lamp Length: 17 1/2 inch 25 Watt Aqua UV Replacement Lamp for UV Sterilizer Replacement UV Lamp for& 25 watt Aqua Ultraviolet Sterilizer.

Review: Best and working UVLight - it's worked and done in a good jobs. after my old light burned and I didn't realize two weeks later. the pond it's greenish and you can't see a foot deep in the water. change waters filters daily to hope help clear the green while waiting for the new uv light. as soon the light arrived I install its right away. still change water filter daily for first two days with the new light. then chanced water filter about 3/4 day then a week a time. water it cleared now. I can see deeply two and half feet's after 3 weeks it really work. I'm changed water every other week now. and I'm see bottom of my pond now, and see black small fish in my pond that I bought it last year and thought it gone. I'm happy with this UV Light.
Review: A must for a healthy crystal clear aquarium - I use this Aqua Ultraviolet light on my 90 gallon saltwater aquarium. It creates crystal clear water and kills all unwanted bacteria

## Features

- 25 watt Mercury quartz replacement lamp
- Manufactured by Aqua Ultraviolet
- Made in United States
- Item Package weight : 5.6 ounces

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0040FDOAO |
| Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz |
| Additional Features | Made In America1 |
| Best Sellers Rank | #102,808 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,388 in Pond Equipment |
| Brand | Aqua Ultraviolet |
| Brand Name | Aqua Ultraviolet |
| Bulb Base | Prong |
| Bulb Shape Size | T5 1/2 |
| Color | Aqua |
| Connectivity Technology | Infrared |
| Control Method | App |
| Controller Type | Push Button |
| Customer Reviews | 4.8 out of 5 stars 94 Reviews |
| Global Trade Identification Number | 00617750200255 |
| Incandescent Equivalent Wattage | 32 Watts |
| Included Components | Bulb |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions W x H | 5.5"W x 6"H |
| Item Type Name | Aquarium lamp |
| Item Weight | 0.35 Pounds |
| Light Color | Ultraviolet |
| Light Source Type | Fluorescent |
| Light Source Wattage | 25 Watts |
| Light Type | Fluorescent |
| Manufacturer | Aqua Ultraviolet |
| Manufacturer Part Number | 617750200255 |
| Manufacturer Warranty Description | 1 year. |
| Material Type | cotton |
| Model Name | Aqua Ultraviolet AAV20025 Mercury Quartz Lamp for Aquarium |
| Model Number | 617750200255 |
| Number of Items | 1 |
| Package Quantity | 1 |
| Power Consumption | 25 Watts |
| Power Source | electric |
| Shape | Reflector(R) |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | Made In America1 |
| Specific Uses For Product | aquarium lamp |
| Style Name | classic |
| UPC | 617750200255 |
| Unit Count | 1 Count |
| Voltage | 120 Volts |
| Wattage | 25 |
| White Brightness | 25 Lumens |

## Product Details

- **Brand:** Aqua Ultraviolet
- **Bulb Shape Size:** T5 1/2
- **Light Type:** Fluorescent
- **Special Feature:** Made In America1
- **Wattage:** 25

## Images

![AAV20025 Mercury Quartz Lamp for Aquarium, 25-watt - Image 1](https://m.media-amazon.com/images/I/21wgLUaarNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best and working UVLight
*by P***U on March 27, 2016*

it's worked and done in a good jobs. after my old light burned and I didn't realize two weeks later. the pond it's greenish and you can't see a foot deep in the water. change waters filters daily to hope help clear the green while waiting for the new uv light. as soon the light arrived I install its right away. still change water filter daily for first two days with the new light. then chanced water filter about 3/4 day then a week a time. water it cleared now. I can see deeply two and half feet's after 3 weeks it really work. I'm changed water every other week now. and I'm see bottom of my pond now, and see black small fish in my pond that I bought it last year and thought it gone. I'm happy with this UV Light.

### ⭐⭐⭐⭐⭐ A must for a healthy crystal clear aquarium
*by D***A on November 29, 2024*

I use this Aqua Ultraviolet light on my 90 gallon saltwater aquarium. It creates crystal clear water and kills all unwanted bacteria

### ⭐⭐⭐⭐⭐ The only UV bulbs that do the job for a year
*by V***A on April 16, 2026*

I have had my large koi pond for 30+ years. Over the years, to save money, I have purchased after market UV bulbs and have always been disappointed, so I stick with Aqua bulbs and products. Aqua’s bulbs last the year as they are supposed to.

## Frequently Bought Together

- Aqua Ultraviolet AAV20025 Mercury Quartz Lamp for Aquarium, 25-watt
- Aqua Ultraviolet A10025 25 watt Quartz Sleeve
- Aqua Ultraviolet 25 Watt Transformer Black

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**Shop now:** [https://www.desertcart.hr/products/40451825-aav20025-mercury-quartz-lamp-for-aquarium-25-watt](https://www.desertcart.hr/products/40451825-aav20025-mercury-quartz-lamp-for-aquarium-25-watt)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-13*