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Best Aquarium Light To Prevent Algae – 3 Practical Tips

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Many people ask what are the best aquarium light to prevent algae? The answer is usually not as straight forward as they think. However, in this short article, we will reveal everything you need to know to help with your algae problem.

It’s important you understand the process of how aquarium lighting works before you decide on the best aquarium light to prevent algae.

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Best Aquarium Light To Prevent Algae

Most varieties of algae thrive if an aquarium gets too much light. You can stop this by removing and replacing all fluorescent light bulbs. Use 1.5 watts of power per gallon to help reduce algae. In aquariums with just fish don’t overuse lights just for viewing.

There are generally a few reasons why algae grow and most can be reduced or eradicated.

Here are the 5 main reasons algae will be a problem:

  • Too much light (Photoperiod issues)
  • A change in lighting source, (i.e. if you switched from fluorescent to LED’s or visa vica)
  • Infrequent water changes
  • Excessive  NPK, Nitrates, Phosphates, Potassium.
  • Un-even aquarium. (al of they above – Light, CO2, Nutrients etc)

Intense Lighting

The best aquarium light to prevent algae is one that you use intense lighting. This is a survival of the fitness scenario. Here any healthy aquarium plant will fight to get as much light as possible and will, therefore, starve out unwanted algae.

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This means that the healthy your aquarium is the stronger each plant is and the more likely they will fight for more light. Lights like compact fluorescents, metal halide bulbs and LEDs will help to keep plants alive and flourishing.

The Photoperiod (Controlling Light)

You can help to control algae by controlling the length of time the aquarium get’s light. The best part is you can get electronic timers to working tandem with your lights and make it simple to control the photoperiod.

Here’s what you do:

1. Set your lights for around 6 – 8 hours a  day.

2. Shorter periods of light will help to reduce the appearance of algae

3. If it doesn’t work then you can go for 8 – 10 hours per day (photoperiod)

4. Many algae fusion under very low lights so increase the amount of light will reduce their growth.

Overall, you will need to experiment and find out which photoperiod time frame works best for you and your aquarium setup.

Led Lights And Algae Growth (Other)

Once you’ve tackled the led lights and algae growth problem you should take look at other factors that could be contributing to their growth. Algae need nitrogen to survive, including small parts of ammonia, nitrite and nitrate. You can control the amount of nitrogen by controlling gate amount of food you put into the tank.

Alternatively, by changing the levels of the water (increasing by 25% every month) you can limit the growth of these nutrients that algae feed on.

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FAQ’s

Do LED lights cause more algae in an aquarium?

No, LED lights do not grow algae. they can actually cause fewer algae. They may not prevent algae but the response of a good LED light that is tailored to plants will not directly grow algae.

Can aquarium lights cause algae?

reducing the light that your aquarium will get will be the most important condition when trying to reduce algae. If your aquarium is close to a window then algae may actually grow faster. Leaving aquarium lists on for 10 hours+ can cause too many algae to grow as well. If you have to place the aquarium near a window make sure to use curtains to avoid direct light during the day.

How do I prevent algae in my aquarium?

Too many algae are caused by light being left on for too long, too much direct sunlight, overfeed fish and water with unnaturally high nutrients. You prevent the growth of algae bu regular water changes, cleaning any algae that grow immediately, introducing acquit plants inside your tankard adding algae eaters.

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