Introduction
The NICREW ClassicLED Gen 2 Aquarium Light is designed to provide optimal lighting for freshwater or saltwater aquariums. Featuring super bright white and blue LEDs with 2-channel control, this dimmable light offers adjustable brightness and color temperature, along with a built-in timer for automated operation. Its gradual ramp-up and dim-down feature helps prevent startling your fish, creating a natural environment.
Key Features
- Super bright 6500K White LEDs with optimized spectrum 460nm Blue LEDs for healthy growth of plants.
- More LEDs offer a higher level of luminous efficiency and brightness, 50% brighter than before.
- Adjustment can be made for both brightness and color temperature. Very easy to lower the blue lights for a more warm look, or use high blues and low whites for a cool even look.
- Built-in 8/10/12H Timer and 15 minute ramp up / dim down. Set it, and forget it. The gradual lighting increase when turning on and the gradual lighting decrease when turning off does lend a feeling of being more in nature, avoiding startling your fish.
- Ideal for freshwater or saltwater fish-only and low-high light level aquarium plants, for aquariums 24 - 30 inches (Light length without bracket is 22.0 inches).
Setup
Unpacking: Carefully remove all components from the packaging.
Mounting:

Image Description: A top-down view of the NICREW ClassicLED Gen 2 light bar with its wired controller. The light features white and blue LEDs, and the controller has buttons for white (W), blue (B), timer (8H, 10H, 12H), and mode (M).
The light comes with adjustable brackets. Extend the brackets to fit your aquarium size (24-30 inches for this model). Place the light securely on the edges of your aquarium.

Image Description: A technical diagram illustrating the dimensions of the NICREW ClassicLED Gen 2 light. It shows the light bar is 22 inches long without brackets, extends to 23.3 inches with brackets, and fits aquariums up to 30 inches. The width is 4.3 inches.
Power Connection: Connect the power adapter to the light and then plug it into a suitable power outlet. Ensure a drip loop is formed to prevent water from running along the cord to the outlet.
Operating Instructions
The light is controlled via an inline controller.

Image Description: A close-up view of the wired controller for the NICREW ClassicLED Gen 2 light. Buttons are labeled 'W' (White LED adjustment), 'B' (Blue LED adjustment), a timer button with 8H, 10H, 12H options, and 'M' (Mode/Power button).
Power On/Off
Press the 'M' button to turn the light on. Long press the 'M' button to turn the light off.
Adjusting Brightness and Color
Use the 'W' button to adjust the intensity of the white LEDs. Use the 'B' button to adjust the intensity of the blue LEDs. This allows for independent dimming and color temperature adjustment.

Image Description: An aquarium light illuminating a tank, with a graphic illustrating the adjustable color temperature from blue to white. The light allows dimming of white and blue LEDs independently.
Timer Function
Press the timer button to cycle through 8, 10, or 12-hour duration options. Once set, the light will automatically turn on and off at the same time each day.
The light features a 15-minute gradual ramp-up when turning on and a gradual dim-down when turning off, simulating natural sunrise and sunset to avoid startling fish.

Image Description: An aquarium illuminated by the NICREW ClassicLED Gen 2 light, demonstrating the 15-minute gradient sunrise/sunset feature. The light gradually brightens or dims to avoid startling fish.
Official Product Videos
The following videos provide visual demonstrations of the product's features and operation.
Video Description: This video demonstrates the installation of the NICREW ClassicLED Gen 2 light on an aquarium, showcasing its adjustable brackets and the functionality of the inline controller for adjusting white and blue light intensity, as well as setting the 8/10/12 hour timer. It also shows the moonlight mode.
Video Description: This video highlights the key features of the NICREW ClassicLED Gen 2 light, including its aluminum housing for heat dissipation, powerful light penetration, adjustable color temperature and intensity, and the 8, 10, and 12-hour timer options with gradual ramp-up and dim-down functionality.
Maintenance
- Regularly wipe the light fixture with a soft, damp cloth to remove dust and water spots.
- Ensure the light is unplugged before cleaning.
- Do not submerge the light fixture in water.
- Check the power cord and adapter for any signs of damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | No power supply | Check power connection and outlet. Ensure the adapter is securely plugged in. |
| LEDs are dim or flickering | Power issue or faulty unit | Ensure proper power supply. If problem persists, contact customer support. |
| Timer not working correctly | Incorrect setting | Re-set the timer by pressing the timer button until the desired duration is selected. |
| Light is too bright/dim | Brightness setting needs adjustment | Use the 'W' and 'B' buttons on the controller to adjust white and blue LED intensity. |
Specifications
| Feature | Detail |
|---|---|
| Brand | NICREW |
| Model Number | N14583 |
| Size | 24 - 30 in |
| Wattage | 18 watts |
| Light Source Type | LED |
| Control Method | Remote |
| Material | Glass, Acrylic |
| Product Dimensions | 30"D x 30"W x 4.3"H |
| Item Weight | 2.33 pounds |
| Is Waterproof | true |
| Voltage | 20 Volts (DC) |
| Date First Available | July 15, 2019 |
Warranty and Support
NICREW offers a hassle-free 12-month warranty and 24-hour friendly customer service. For support or warranty claims, please visit the official NICREW store or contact their customer service directly.





