---
product_id: 345218805
title: "GKM9W"
brand: "aa"
price: "HK$921"
currency: HKD
in_stock: true
category: "Aa"
url: https://www.desertcart.hk/products/345218805-gkm9w
store_origin: HK
region: Hong Kong
---

# 9W UV lamp power 50 GPH pump flow rate 5-min tool-free install GKM9W

**Brand:** aa
**Price:** HK$921
**Availability:** ✅ In Stock

## Summary

> ✨ Keep your tank crystal clear and your aquatic friends thriving!

## Quick Answers

- **What is this?** GKM9W by aa
- **How much does it cost?** HK$921 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/345218805-gkm9w)

## Best For

- aa enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Friendly & Safe:** UL listed, sealed bulb design prevents housing damage and protects your aquatic life.
- • **Smart UV Bulb Alerts:** LED signals when it’s time to replace the UV bulb, keeping maintenance hassle-free.
- • **Compact & Quiet Design:** Sleek 12x4x4 inch unit runs silently, blending seamlessly into your modern aquarium setup.
- • **Plug & Play in 5 Minutes:** No tools needed—get your aquarium sparkling clean almost instantly.
- • **Crystal Clear Water, Effortlessly:** Direct water contact with sealed UV lamp ensures maximum sterilization efficiency.

## Overview

The AA GKM9W Internal UV System is a compact, 9-watt UV sterilizer designed for aquariums up to 50 gallons. Featuring a sealed UV lamp submerged directly in water for optimal sterilization, it includes a 50 GPH pump and installs in just 5 minutes without tools. The unit is UL listed, runs quietly, and signals when the UV bulb needs replacement, making it a low-maintenance, effective solution to reduce algae and bacterial blooms while enhancing water clarity.

## Description

GKM9W Internal UV System with Power Head. Keep Your Aquarium Crystal Clear. Reduce water changes. 5 minute installation without any tools. Sealed water UV lamp for direct contact with water. Perfect for aquariums up to 50Ga. Lamp contains Mercury. Manage in Accordance with State Disposal Laws.

## Features

- The GKM9W Internal UV System with Power Head is for aquariums up to 50 gallons. The GKM9W allows water flow in direct contact with the UV lamp, making it extremely efficient. Keep your aquarium crystal clear & reduce water changes.
- It includes the pump and takes only 5 minutes to install (no tools required). The UV lamp and pump are submersed completely in the aquarium and are attached to the inside of the aquarium with the included suction cups.
- 4" x 4" x 12" long. LED signals need for a UV Bulb replacement, easy change without tools. UV bulbs lasts for 6 to 9 months, assuming constant use. Sealed UV bulb design - avoid UV housing deteriorate, fresh with every bulb change.
- Once your water is clear, there is no need to keep your GKM9W turned on 24/7. This will help increase the life of your 9 Watt UV lamp. Pump Flow Rate: 50 GPH. UL listed. EPA Est # 093568.
- Included components: Water pump, Sealed UV bulb, Control Box, Adaptor. Comes with UL plug, only suitable for US market.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B099KRCQPN |
| ASIN  | B099KRCQPN |
| Additional Features | Sealed UV bulb design |
| Best Sellers Rank | #25,424 in Pet Supplies ( See Top 100 in Pet Supplies ) #82 in Aquarium Lights |
| Brand Name | AA |
| Color | BLACK |
| Customer Reviews | 4.2 4.2 out of 5 stars (615) |
| Date First Available  | July 15, 2021 |
| Included Components | Water pump, Sealed UV bulb, Control Box, Adaptor |
| Item Dimensions L x W x H | 12"L x 4"W x 12"H |
| Item Type Name | Aquarium UV |
| Item Weight | 1.1 Kilograms |
| Item model number  | AAUV9W-B |
| Manufacturer | AA Aquarium |
| Manufacturer  | AA Aquarium |
| Manufacturer Part Number | AAUV9W-B |
| Material Type | Plastic |
| Model Number | AAUV9W-B |
| Product Dimensions  | 12 x 4 x 12 inches; 2.43 Pounds |
| Product Style | Modern |
| Specific Uses For Product | Indoor |
| Tank Volume | 50 Gallons |
| Target Species | Fish |
| Unit Count | 1 Count |
| Vivarium Type | Aquarium |
| Warranty Description | 1 year limited warranty except tear & wear part |

## Product Details

- **Brand:** AA
- **Color:** BLACK
- **Included Components:** Water pump, Sealed UV bulb, Control Box, Adaptor
- **Item Weight:** 1.1 Kilograms
- **Material:** Plastic
- **Product Dimensions:** 12"L x 4"W x 12"H
- **Special Feature:** Sealed UV bulb design
- **Specific Uses For Product:** Indoor
- **Style:** Modern
- **Tank Volume:** 50 Gallons

## Images

![GKM9W - Image 1](https://m.media-amazon.com/images/I/812DxGpEH1L.jpg)

## Questions & Answers

**Q: My product stopped pumping water. How can I get a replacement? It's under warranty**
A: Hi, please refer to this video and clean the inside of the pump, usually it is something that got stuck at the impeller and it will start working after some cleaning. If this doesn't work, please reach out to AA Aquarium's customer service, there is a 1-Year limited warranty on the pump.

**Q: Will this kill off hair algae in a saltwater tank?**
A: I can only assume that it will not. I use the smaller version in my 10 gallon tank occasionally and it appears to have no effect on filamentous algae. It is very effective at combating algae bloom / microscopic, free-floating algae though.

**Q: Does this work with live plants? How will it effect my live plants drawf frogs??**
A: It won't negatively affect your live plants, dwarf frogs, or beneficial bacteria. Nitrifying bacteria are primarily attached to surfaces in the aquarium, not free-floating, so the UV light in this device can't harm them.

**Q: Can I use this in an axol tank?**
A: Yes you can, it’s safe for all.

## Frequently Bought Together

- AA GKM9W Internal UV for Aquariums up to 50Ga,Black
- MarineLand Magnum Polishing Internal Canister Filter, For aquariums Up To 97 Gallons, 10.5 IN (ML90770)
- AA GKM24W Internal UV for Aquariums up to 120Ga,Black

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**Shop now:** [https://www.desertcart.hk/products/345218805-gkm9w](https://www.desertcart.hk/products/345218805-gkm9w)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-05-19*