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A  live stream on YouTube each Wednesday (audio and visual) week, and the release audio only on Spotify on the Sunday.

Is light-hearted fun, information, and different views on all things aquarium and tropical fish tank-related

Tips and tricks that we have learned over the years of keeping tropical fish.

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Are UV lights needed in freshwater tropical aquariums? Let's find out.

UV filters are an essential part of maintaining a healthy freshwater aquarium. They serve to remove harmful microorganisms and parasites from the water, thereby improving water quality and preventing the spread of disease.

How UV Filters Work UV filters work by using ultraviolet light to kill harmful microorganisms and parasites. Water is pumped through the filter and exposed to ultraviolet light, which disrupts the DNA of these organisms, rendering them unable to reproduce and causing them to die. This process is called sterilization and it helps to keep your aquarium water clean and clear.

UV Tube

To work against algae in your aquarium the UV light penetrates the cells of the algae, causing damage to its DNA and rendering it unable to reproduce. The dead algae particles then become food for other organisms in the aquarium or can be removed through filtration. The continued exposure to UV light keeps the algae population under control, preventing outbreaks of algae blooms that can harm other aquatic life and cause water clarity issues.

Choosing the Right Size UV Filter When choosing a UV filter for your freshwater aquarium, it is important to select the correct size. The size of the filter should be based on the volume of water in your aquarium and the flow rate of your pump. A too small filter will not effectively sterilize your water, while a too large filter will be overpriced and use more energy than necessary.

Uview UV bulb

Maintenance of UV Filters Regular maintenance of your UV filter is important to ensure it continues to operate effectively. This includes cleaning the filter and replacing the UV bulb as needed. It is recommended to replace the bulb every 9 to 12 months, or sooner if you notice a decrease in water clarity.

The Benefits of UV Filters By removing harmful microorganisms and parasites from the water, UV filters help to prevent the spread of disease in your aquarium. This is especially important if you keep sensitive or delicate species of fish. In addition, UV filters can help to improve water clarity and overall water quality, giving your aquarium a clean and healthy appearance.

Combining UV Filters with Other Filtration Methods While UV filters are an effective way to improve water quality and prevent disease, they should not be relied upon as the sole method of filtration. Instead, UV filters should be used in combination with other filtration methods, such as mechanical filtration and chemical filtration. By using multiple filtration methods, you can create a comprehensive filtration system that will keep your aquarium water clean and clear.

In conclusion, UV filters are a valuable tool for maintaining a healthy freshwater aquarium. By removing harmful microorganisms and parasites, improving water clarity and quality, and preventing the spread of disease, UV filters play a crucial role in keeping your aquatic life healthy and thriving. Remember to choose the correct size filter, perform regular maintenance, and use UV filters in combination with other filtration methods for the best results.

1 Response

ErinMontgomery

ErinMontgomery

February 01, 2024

Hello,

I have a question, I have never used a uv filter before. What is the best / top rated / recommended UV filter for the size of tank I have (66 gallon).

Where is the best place to install this filer? I currently have a filter right side of the tank.

I have angel fish, and a pleco, the water levels are good, the water just looks cloudy. I am worried that the flow may be too strong with two filters.
Thank you for any advice you can provide me.
Have a wonderful day,
Cheers,
Erin Montgomery

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