Sevenconst Full Spectrum LED Aquarium Light for 12-18 Inch Tanks

Setting up consistent lighting for a 12-18 inch freshwater aquarium? This LED aquarium light is an aquarium lighting solution that delivers a true full spectrum with 12 colour options and a smooth gradient mode to enhance plant growth and bring out fish colour. The built-in 24/7 default cycle simulates sunrise, daylight, sunset and night to help maintain a stable daily rhythm for fish and create attractive tank presentation without manual switching.

The fixture offers five smart timer choices and nine brightness levels from 20% to 100%, with memory to restore your last setting after power interruptions. Practical benefits include a heat-resistant ABS body and crack-resistant panel for fast cooling and long use, plus an ETL-certified adapter for safe continuous operation. An IP68 waterproof rating allows full submersion of the light unit and extendable brackets make mounting on different rim widths straightforward. These features suit small freshwater and planted setups where adjustable light, reliable timers and reduced handling are priorities.

Key Features

• Full spectrum with 12 colour options – supports healthy plant growth and enhances fish colour for better tank appearance
• 24/7 default cycle plus five timers – creates a natural day-night rhythm and automates lighting to reduce stress from irregular schedules
• Nine adjustable brightness levels with memory – lets you dim for shy species or boost light for show, and restores settings after power loss
• Durable, fast-cooling construction and ETL-certified adapter – practical reliability for continuous aquarium use
• IP68 waterproof and extendable brackets – allows submerged placement of the unit and easy fitting to a variety of tank rims

Frequently Asked Questions

Is this light suitable for my freshwater fish tank?

Yes. Designed for 12-18 inch freshwater tanks, it provides full spectrum light to support plant growth and enhance fish colours with white, red, green, blue and pink LEDs.

How do the 24/7 mode and timers work?

The 24/7 mode simulates sunrise, daylight, sunset and night continuously and can start anytime. You can also choose a 4, 6, 8, 10 or 12 hour daily timer with auto on/off.

Can this be submerged and used continuously?

Yes. With an IP68 waterproof rating it can be fully submerged. ETL-certified adapter, heat-resistant ABS housing and a crack-resistant clear panel support safe continuous use.

Can I adjust brightness and will it remember my settings?

You can choose from nine brightness levels (20%-100%). The built-in memory restores your last brightness and colour setting when the light is powered on again.

Will it fit my tank and is installation difficult?

It fits 12-18 inch tanks and includes extendable brackets for mounting, making installation straightforward for typical freshwater tank setups.

Check the recent prices for Full Spectrum LED Aquarium Light for Tanks below.