---
product_id: 27210038
title: "Hamilton Technology Metal Halide 400W 20K Radium bulb"
brand: "deep blue"
price: "€ 3.32"
currency: EUR
in_stock: false
url: https://www.desertcart.ie/products/27210038-hamilton-technology-metal-halide-400w-20k-radium-bulb
store_origin: IE
region: Ireland
---

# penetrates deep aquarium zones 250W intense HQI power 20K deep blue spectrum Hamilton Technology Metal Halide 400W 20K Radium bulb

**Brand:** deep blue
**Price:** € 3.32
**Availability:** ❌ Out of Stock

## Summary

> 🔵 Light up your underwater world like never before!

## Quick Answers

- **What is this?** Hamilton Technology Metal Halide 400W 20K Radium bulb by deep blue
- **How much does it cost?** € 3.32 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/27210038-hamilton-technology-metal-halide-400w-20k-radium-bulb)

## Best For

- deep blue enthusiasts

## Why This Product

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

## Key Features

- • **Dive into Deep Blue:** 20,000K color temperature enhances fluorescence, making corals and fish pop with stunning blue hues.
- • **Coral’s Best Friend:** Optimized spectrum supports photosynthesis, promoting healthier, more colorful coral growth.
- • **Seamless Compatibility:** Designed for use with 250W HQI or electronic ballasts for effortless integration.
- • **Depth Defying Brightness:** Powerful light penetrates to lower aquarium depths, ensuring every corner thrives.
- • **Illuminate with Precision:** German-engineered 250W HQI lamp delivers unmatched light intensity for vibrant aquatic life.

## Overview

The Hamilton Technology Metal Halide 400W 20K Radium bulb is a German-made, 250W HQI lamp engineered to deliver intense, deep blue light that enhances fluorescence in fish and corals. Its 20,000K color temperature provides optimal spectrum for photosynthesis and coral health, penetrating deep aquarium zones. Compatible with 250W HQI or electronic ballasts, this lamp transforms any aquarium into a vibrant aquatic showcase.

## Description

German made 250W HQI lamp by Radium. Deep blue appearance. Brings out fluorescence in fish & corals. Provides the aquarium with an attractive, blue look. Must be used with 250W HQI or Electronic ballast. 1.78 in. W x 10.5 in. L x 1.78 in. H. Metal Halide the best lighting for your aquarium supplies the most concentrated light intensity, color spectrum and wavelength essential for photosynthesis and coral health. Powerful enough to reach the lower depths of your aquarium with the same intensity

## Features

- German made 250W HQI lamp by Radium
- Deep blue appearance
- Brings out fluorescence in fish & corals
- Provides the aquarium with an attractive, blue look
- Must be used with 250W HQI or Electronic ballast

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006OH64T4 |
| Additional Features | color |
| Brand | Deep Blue |
| Brand Name | Deep Blue |
| Color Temperature | 20 Kelvin |
| Controller Type | Push Button |
| Item Dimensions W x H | 1.78"W x 10.5"H |
| Light Color | Blue |
| Light Source Type | Halogen |
| Light Source Wattage | 250 Watts |
| Light Type | Metal Halide |
| Manufacturer | Hamilton Technology Corp. |
| Material Type | copper |
| Number of Items | 1 |
| Package Quantity | 1 |
| Special Feature | color |
| Specific Uses For Product | Lamp |
| UPC | 816006014091 |
| Unit Count | 1.0 Count |
| Wattage | 250 watts |

## Images

![Hamilton Technology Metal Halide 400W 20K Radium bulb - Image 1](https://m.media-amazon.com/images/I/115s0Qn1L3L.jpg)

---

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**Shop now:** [https://www.desertcart.ie/products/27210038-hamilton-technology-metal-halide-400w-20k-radium-bulb](https://www.desertcart.ie/products/27210038-hamilton-technology-metal-halide-400w-20k-radium-bulb)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-18*