Zetlight O2 Freshwater LED Light

The Zetlight O2 Freshwater LED is a premium lighting solution designed for serious planted aquariums. With high-output LEDs and a full-spectrum design, it delivers the intensity and colour balance needed for strong plant growth and vibrant aquascapes.

Key Features

• Full-Spectrum Plant Growth Lighting
  Designed to simulate natural sunlight, promoting healthy photosynthesis and lush plant development.
• High Power Output (±70W)
  Strong illumination makes it suitable for medium to larger planted tanks, including more demanding aquascapes.
• Multiple Colour Modes
  Adjustable spectrum options including:
  • ~10000K (bright white)
  • ~7500K (white + red)
  • ~6500K (enhanced plant spectrum)
• Enhanced Red Spectrum for Plants
  Integrated red LEDs support better plant growth, coloration, and overall health.
• Sleek, Modern Design
  Lightweight body with a clean aesthetic, ideal for open-top aquariums and display tanks.
• User-Friendly Controls
  Simple onboard controls allow quick switching between lighting modes and intensity settings.
• Adjustable Mounting System
  Typically supplied with mounting or hanging options for flexible installation and optimal spread.

Specifications

• Power: ±70W
• Voltage: DC 24V
• Colour Modes: 6500K / 7500K / 10000K
• Recommended Tank Size: ~45–60cm (varies by scape and depth)
• Control: Manual button control
• Application: Freshwater / planted aquariums

Ideal For

• Medium to high-tech planted tanks
• Aquascaping setups
• Tanks requiring stronger light (carpeting plants, reds, etc.)
• Display aquariums with open-top designs

Why Choose the O2 Freshwater?

The O2 sits above entry-level lights like the E3, offering significantly more power and better spectrum control. It’s ideal for hobbyists who want to move into more advanced planted setups without stepping into complex app-controlled systems.