Founded in 1991, Giesemann is a world leader in high-end aquarium lighting and systems. With a background in design, engineering, and marine biology, Giesemann combines German craftsmanship with cutting-edge technology to create premium solutions for saltwater and freshwater aquariums. Their lineup includes advanced LED lighting, hybrid T5/LED systems, professional-grade T5 fixtures, aquarium accessories, and complete aquarium systems. Whether you’re aiming for a thriving reef tank or a stunning freshwater display, Giesemann products are built to deliver outstanding performance, reliability, and style.

In this guide, we’ll explore the Giesemann product lines we carry, breaking down the key features to help you choose the best option for your next aquarium upgrade.

Giesemann LED Lighting

AURORA V12 Pro LED Light Fixture

A hybrid fixture that’s not a true hybrid, the AURORA V12 Pro combines diffused LED panels and individual reflectors to deliver exceptional light spread, color blending, and coral growth. The curved aluminum housing helps reflect light across a wider area, while wireless control through iOS or Android makes it easy to fine-tune your tank’s lighting. Available in 36", 48" and 59" lengths and two colors to perfectly match your aquarium's size and style.

Maximum Recommended Coverage Area: 

• 36" - 2 LED Clusters: 48" x 32"
• 48" - 3 LED Clusters: 63" x 32" 
• 59" - 3 LED Clusters: 78" x 32" 
• 59" - 4 LED Clusters: 86" x 32"

VERVVE LED Light Fixture

The VERVVE Pro delivers a powerful 160W of precision-tuned LED lighting in a sleek, compact form. With 9 colors across 6 controllable channels, Diamond Prism reflectors, and whisper-quiet cooling, it’s built for serious reef tank performance. Wireless app control and multiple mounting options make it easy to dial in the perfect spectrum and shimmer. Available in Iridium Gray or White.

Maximum Recommended Coverage Area: 31" x 27"

TESZLA LED Light Fixture

Compact, powerful, and stylish, the TESZLA delivers 90W of customizable LED lighting with 9 color channels and full wireless control via the Lynk Pro app. Its Diamond Prism optics provide even light spread and natural shimmer, all wrapped in a sleek aluminum body. Available in Black or Silver.

Maximum Recommended Coverage Area: 27" x 27"

MINOX LED Light Fixture

The MINOX marine packs 55 watts of full-spectrum LED lighting into a compact, silent, and splash-proof fixture. With 7 LED colors, Diamond Prism optics, and passive cooling, it’s ideal for small reef aquariums where performance and quiet operation matter. The MINOX is controllable with the Giesemann LED Controller, sold separately.

Maximum Recommended Coverage Area: 24" x 24"

PULZAR G3 LED Light Strip

Slim, powerful, and built for reef tanks, the PULZAR G3 delivers brilliant optimized-spectrum light in a low-profile strip design. Ideal for standalone use or supplemental lighting, it features advanced heat management and optional control with Giesemann’s Lynk or LED Controller, sold separately. Multiple size options from 6" to 59" are available to fit tanks of almost any dimension.

Giesemann Hybrid Lighting

STELLAR LED Hybrid System

The STELLAR LED combines sleek form with reef-ready function, delivering a focused blue-heavy spectrum that enhances coral color and growth. Designed to complement existing fixtures, it fills in gaps and eliminates shadows with its powerful LED matrix. Optional 3-channel control via the Lynk Controller lets you fine-tune output. Available in multiple sizes with flexible mounting options.

STELLAR T5/LED Hybrid System

The STELLAR T5 Hybrid Fixture combines the proven performance of T5 lighting with the flexibility to mount your favorite LED fixtures. Its open-center design and universal brackets make it easy to build a custom hybrid setup, while the slim aluminum frame delivers a clean, modern look. Ideal for reef aquarists who want even coverage and spectrum control in one elegant package.

Giesemann T5 Lighting

MATRIXX T5 Light Fixture

The MATRIXX-II combines time-tested T5 performance with modern German engineering, delivering even, full-tank illumination that’s ideal for coral growth and coloration. Each lamp features its own reflector for maximum output, while temperature-controlled fans provide quiet, efficient cooling. With a corrosion-resistant aluminum body and sleek design, it’s a proven lighting solution that’s still a favorite among reef keepers. Available in 4, 6, or 8 bulb models and in Iridium Gray or White.

RAZOR T5 Light Module

The RAZOR T5 delivers reliable, high-output lighting with excellent coverage and minimal shadowing—perfect for reef tanks and coral grow-out systems. Its saltwater-resistant aluminum housing, integrated reflectors, and waterproof sockets (IP65 rated) ensure long-lasting performance in demanding environments. A dependable choice for anyone who values simplicity and results. Available in 48" and 60" lengths.

POWERCHROME T5 Bulbs

Giesemann’s POWERCHROME T5 bulbs are trusted by reef aquarists for their vibrant output, balanced spectrum, and long-lasting performance. Available in a range of popular marine spectrums—including Actinic Blue, Super Actinic, Super Purple, Aquablue Coral, and Aqua-Science, the POWERCHROME series gives you the flexibility to fine-tune your lighting for optimal coral growth and coloration. Whether you're running a full T5 fixture or a hybrid setup, these bulbs provide the proven results T5 lighting is known for. Full spectrum Tropic and Super Flora T5 bulbs are also available for refugiums or freshwater planted aquariums.

Giesemann Lighting Accessories

Giesemann offers a thoughtful range of lighting accessories designed to enhance both the functionality and aesthetics of your aquarium setup. From sleek hanging kits and wall-mount brackets to cleanly route cables and position lights with precision, to mounting arms for LED light fixtures, these accessories are built with the same attention to detail as their lighting systems. For advanced control, Giesemann’s Lynk and LED controllers allow wireless programming of select fixtures, enabling precise customization of spectrum, intensity, and daily light schedules. Whether you're suspending a fixture for a cleaner look or integrating advanced automation, Giesemann accessories provide the finishing touches for a professional-grade aquarium display.

Giesemann Aquarium Systems

LINEA Aquarium Systems

The LINEA Aquarium Systems combine sleek design with top-tier German craftsmanship, offering a complete saltwater-ready setup with Ultra View glass, a multi-chamber sump, and a durable aluminum stand. Each system features a rimless display tank with a black glass overflow, a powder-coated, water-resistant stand with push-to-open hinges, and precision PVC plumbing. Available in 125 or 165-gallon sizes and in your choice of Black or White.