Do you have a question about the Hygger HG-990 and is the answer not in the manual?
Adjust light color through 7 options and set brightness levels.
Program lighting time to 6H, 10H, or 12H with indicator feedback.
Simulates a 16.5-hour gradual sunrise, peak, and sunset cycle.
Set current time via 8:00-22:00 points for accurate cycle timing.
Details the items included in the product package.
Provides critical safety advice regarding water, flammables, and maintenance.
Outlines warranty terms including free warranty, return, and replacement periods.
Instructions for environmentally friendly disposal of electrical appliances.
The Hygger HG-990 is a planted + 24/7 aquarium clip-on light designed to provide optimal lighting for planted aquariums and their inhabitants. This light aims to create a healthy and growth-promoting environment for fish and other aquatic life, while also offering features that enhance the user's experience and the aesthetic appeal of the aquarium.
The primary function of the Hygger HG-990 is to illuminate planted aquariums with a spectrum of light conducive to plant growth and the well-being of aquatic animals. It achieves this through its premium LED bulbs, which are engineered to produce a captivating shimmer effect and deliver ample brightness. The light offers two distinct operating modes: a timer lighting mode and a 24/7 lighting mode, providing flexibility in how the aquarium is lit throughout the day.
In the timer lighting mode, users have the ability to customize various aspects of the lighting. This includes altering the light color, intensity, and duration. The light offers a selection of seven adjustable colors, allowing for a personalized ambiance within the aquarium. These colors cycle through white, red, blue, green, purple, yellow, and cyan, with an option for a color-changing loop. Additionally, the timer function allows users to program the lighting duration for 6, 10, or 12 hours, or to operate without a timer. This mode also features adjustable brightness, with five stages ranging from 10% to 100% intensity, enabling users to fine-tune the light output to suit their specific needs and the requirements of their aquarium inhabitants. A notable feature of this mode is its gradual ramp-up and ramp-down over approximately 15 minutes, mimicking natural light transitions.
The 24/7 lighting mode is designed to simulate a natural 24-hour light cycle, closely replicating sunrise, daylight, sunset, and moonlighting. This mode provides a gradual transition of light intensity and color over approximately 16.5 hours. It begins with a dim orange light, slowly brightens to full intensity during the late morning and afternoon, and then gradually dims. The final 30 minutes of this cycle feature only blue LEDs, which slowly fade out to off, simulating moonlight. In this mode, the light color and intensity are fixed and cannot be manually changed, ensuring a consistent and natural rhythmic light cycle for the aquarium. The controller includes specific time settings (8:00, 10:00, 12:00, 15:00, 18:00, 22:00) that serve as auxiliary reminders for setting the local time within the 24/7 cycle. This allows the user to synchronize the light's cycle with their actual time of day, ensuring that the simulated sunrise and sunset occur at appropriate real-world times.
The Hygger HG-990 is designed with user convenience in mind, incorporating several features that make it easy to set up and operate. The clip-on design allows for straightforward attachment to the rim of a fish tank. The clip is removable, offering flexibility in how the light is assembled, either from the front or side of the tank. This design accommodates most rim and rimless fish tanks with a glass thickness of up to 0.9 inches.
Operating the light involves a simple control interface. A single button serves to turn the light on and off with a long press. In the timer lighting mode, the same button is used to cycle through the seven available light colors. A double press of this button activates a 100% full-spectrum light. The dedicated timer button allows for easy selection of the desired lighting duration (6H, 10H, 12H, or no timer), with indicator lights (red, green, blue) providing visual feedback on the selected setting. A separate button is provided for adjusting the brightness through its five stages. The 24/7 mode is activated and synchronized using specific time settings on the controller, which helps align the simulated natural cycle with the user's local time.
The light's full-spectrum bulbs are versatile, capable of producing different colors depending on the selected option, making it suitable for various planted and freshwater aquarium setups. The gradual ramp-up and ramp-down feature in the timer mode, and the comprehensive 24/7 cycle, contribute to a less stressful environment for fish and a more natural experience for the user.
Maintenance of the Hygger HG-990 is designed to be simple and hassle-free. The light features a built-in smooth metal aluminum housing, which can be easily wiped clean with a dry towel. This material choice not only contributes to the light's durability but also simplifies routine cleaning, preventing the accumulation of dust or water spots that could affect light output or aesthetics.
Safety is a key consideration in the design and maintenance instructions. Users are advised to unplug the power supply before performing any maintenance. The product manual emphasizes the importance of keeping the switch away from water, as it is not waterproof, and keeping the light away from flammable items. In the event of a malfunction, users are instructed to unplug the power and contact the seller, with a clear warning that opening the device will void the warranty. This ensures that any complex repairs are handled by authorized personnel, maintaining the integrity and safety of the device. The light is designed to operate within a temperature range of 23~113°F, indicating its robust construction for typical aquarium environments. The power cord is not replaceable, and if damaged, the light should be discarded, highlighting a safety measure to prevent electrical hazards. The "drip loop" instruction for the power cord is a crucial safety feature, preventing water from traveling along the cord to the electrical outlet, thereby minimizing the risk of electrical shock.
| Model | HG-990 |
|---|---|
| Category | Aquarium Light |
| Material | Aluminum alloy |
| Spectrum | Full Spectrum |
| Timer | 24-hour timer |
| Dimmable | Yes |
| Input Voltage | 100-240V |