Lighting shapes the entire atmosphere of an aquarium. Beyond just looks, the light's spectrum and intensity can affect plant growth and how fish behave. When comparing the best aquarium lights, consistent output and long-term efficiency typically matter more than just brightness. The right light should help keep the tank balanced while holding up well with everyday use. Below, you'll find today's best-selling and top-rated aquarium lights that Chewy pet parents, like you, love. We update this list every week, so you can be sure you're getting the timeliest product recommendations available.
We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best aquarium light.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best aquarium lights.
Key aquarium light considerations
Durability
Aquarium lights are constantly exposed to moisture and can be prone to damage from water splashes or humidity. It's important to choose a light that is durable and can withstand these conditions to avoid frequent replacements and potential hazards. Look for lights with waterproof or water-resistant features for added durability.
Energy Efficiency
Choosing an energy-efficient aquarium light can save you money on your electricity bill and also reduce your carbon footprint. LED lights are known for their energy efficiency and can provide the same amount of light as traditional lights while using less energy.
Light Intensity
This is important because it determines how much light your aquarium plants and animals will receive. Different species have different light requirements, so it's important to choose a light with the appropriate intensity for your specific setup.
Spectrum
The spectrum of light refers to the different wavelengths and colors of light emitted by the aquarium light. This is important because different wavelengths can affect the growth and health of your plants and animals. For example, red and blue light are essential for photosynthesis in plants.