Blogs

More and more people are moving on from fluorescents to modern, energy-efficient, and smart LED aquarium lighting for their plants, and whether you are just starting your journey in planted tanks or looking to invest in top-end aquascapes, getting the best LED aquarium lighting for plants has been among the most critical variables in plant health for a while.

Therefore, what actually constitutes LED lighting for aquarium plants is all LEDs conducive to growth, and in this article, Seaoura aims to get you to pick out the correct full-spectrum LED aquarium light. Here, we are concerned about parameters like spectrum, light intensity, timer options, tank size, and plants' requirements.

Why Are LED Lights Becoming Increasingly Popular for Planted Aquariums

Compared to conventional T5/T8 fluorescent aquarium lights, LED aquarium lights have a more effective lumen per watt efficiency, heat, and lifespan. Simultaneously, they can accurately simulate natural sunlight, so some products, such as full-spectrum aquarium lights with timer, can also provide stability to the underwater plant environment.

Besides energy efficiency, a significant advantage of LED lights is that they can precisely control the following aspects:

• Spectral bands
• Time of light-on-off
• Sunrise/sunset simulated time
• RGB ratios of the light colors
• PAR light intensity

All these aspects directly impact aquatic plant photosynthesis and color performance.

What Do Aquatic Plants Really Need for Lighting

Most new aquatic enthusiasts will find that the brightest is always the best, but the truth is otherwise. All the aquatic plants need is the correct light spectrum and the appropriate amount of light duration.

Most Essential Spectra for Aquatic Plant Growth

The following spectrum bands are most needed by aquatic plants to grow.

Consequently, the full-spectrum LED aquarium lights available on the market today generally include full spectrum rather than purely white light.

What Is a Full-Spectrum Aquarium Light?

The full spectrum isn't just "white LED". High-quality full-spectrum aquarium lights with timers usually contain:

• Cool white light
• Warm white light
• Red LEDs
• Blue LEDs

Green light for added supplementation

This closely replicates natural sunlight, thus creating a better environment for photosynthetic processes for the aquarium plants.

The need for full-spectrum lighting for red-leaved aquatic plants is also important because, without enough red light, some of them tend to be green.

Lighting Requirements for Different Types of Aquatic Plants

Most aquarium plants do not need very bright light.

For most typical display aquariums, a medium-to-low light output LED is fine, but for dense planting and rich red coloration of leaves, you may need some of the best LED aquarium lighting for plants.

Why Is an Aquarium Timer Light Becoming Increasingly Important

Many more aquarists are now showing interest in the use of aquarium timer lights, as "longer lighting hours" is not as critical as "stable lighting schedule".

The majority of aquatic plants will only require:

• 6-8 hours (for new tank)
• 8-10 hours (for matured planted tank)

Extending the light period will lead to algae growth problems readily.

Hence, a full-spectrum aquarium light with a built-in timer could assist aquarists to:

1. Control the lighting time automatically to turn on/off
2. Mimic the natural day and night rhythm
3. Lower the chances of having algae growth
4. Enhance fish, aquarium plants, and ecosystem balance

The new technology smart LED light is capable of performing:

• Sunrise and sunset fade effect
• Control through application
• Multiple time slot setting
• Automatic dimming

These features are indeed required for advanced planted aquarium systems.

Which LED Light Is the Right One for Your Tank

Do not only consider the brand of the LED light, but also the real demands of your tank.

Decide Based on Tank Length

Think About PAR Values, Not Watts

Low-cost LED light that has a watts value, like 30W or more, but actually, it's PAR is too low. For aquatic plants, what you should be more concerned about is

• Can the light reach into the water column?
• Is the substrate illuminated well?

It is crucial that the PAR value is high for a deep tank.

RGB LED lights for Aquatic Plants

Right now, most high-quality planted aquarium lights seem to be the RGB variety. RGB advantages:

• Brighter colors on plants
• Deep red colors on red plants
• More natural fish colors
• More depth of sight

RGB does not mean they are right for everyone. A normal, easy-planted tank could function perfectly well with a solid, dedicated, full-spectrum LED aquarium light.

What Features Do High-Quality LED Planted Tank Lights Typically Have

Truly excellent best LED aquarium lighting for plants often combines the following characteristics:

Why Are More and More Aquarists Choosing Smart Aquarium Timer Lights

A traditional plug-in timer costs much less; however, it is not really suitable for planted aquariums in today's day and age.

Benefits of smart aquarium timer lights:

• Precise control of light schedules
• Auto dimming feature (avoids shocking the fish with the lights abruptly coming on)
• Remote control capability
• Improved energy efficiency

Reliability, in particular with regard to long-term planted aquariums, trumps "brightness".

Common Misconceptions About LED Aquarium Lights

Numerous aquarists make mistakes when purchasing LEDs.

Some of the most common errors are:

• Simply look at the price and not the spectrum
• Simply look at wattage and not PAR
• Leaving the light on for too long can cause an algae bloom
• Use a "plain white" bulb instead of the actual aquarium lights
• Do not have a timer

The reality is that most full-spectrum aquarium lights can sometimes be a better, longer-term investment in keeping plants.

What Is the Best LED Light for a Planted Tank

Generally, an ideal LED light that would be suitable for plants should have:

• Full Spectrum
• Consistent PAR output
• Timer control
• Adjustable brightness
• Correct for tank size

If you wish to maintain a healthy and balanced planted tank ecosystem, a reliable and top-performing best LED aquarium lighting for plants is much more important than the brightest ones.

It is certain that in the next few years, smart full-spectrum energy-efficient LED aquarium lights will be the trend in the aquarium industry. Smart-controlled aquarium lights become essential equipment for planted tank hobbyists for long-term plant maintenance.