Our (Hand-Picked) 5 Best UV Sterilizer for Aquarium In 2019

If you ask me whether UV sterilizer is a ‘must have’ item for your aquarium then I would probably say no. But does it have benefits and perks? Certainly yes, if you select it properly! In fact, finding the best UV sterilizer for aquarium can be a bit intimidating for you if you aren’t sure about the key technical and operational features a standard UV sterilizer offers.

UV sterilizers are generally powered by an ultraviolet bulb that has the ability to eliminate and rescue your aquarium from all kinds of harmful bacteria & microorganisms. Now, you’re going to learn about three of the amazing benefits of keeping a UV sterilizer inside your aquarium:

  • Eliminate Harmful Microorganisms: A UV sterilizer has the ability to destroy all potential bacteria and microorganisms like algae spores out of your aquarium. Biological or mechanical filtration cannot thoroughly purify your aquarium from these harmful bacteria, virus and pathogens. But in this case, a UV sterilizer can efficiently destroy all of those harmful organisms out of your aquarium water.
  • Keep the Water Clean and Transparent: Sometimes the water inside your fish tank becomes green and significantly reduces its transparency and cleanliness. This happens due to the unwanted bloom of algae in the tank. In that case, a UV sterilizer can remove this cloudy condition and make your aquarium water absolutely crystal clear within a short period of time.
  • Stops Production of Floating Algae: One of the most struggling issues for keeping an aquarium is dealing with mass production of algae. Oftentimes after wiping out their existence, they keep producing on the water and make it harder for you to frequently remove their existence. In that case, a UV sterilizer can ultimately stop their production cycle and make your aquarium completely free from any potential algae in the future.
Best UV Sterilizer for Aquarium
UV Sterilizer can keep your tank water super clear

Now, you have got an extensive idea about the irresistible benefits of keeping a UV sterilizer inside your aquarium. We are now going to learn about some of the most efficient UV sterilizers for aquarium that are currently available on the market. So let’s begin:

5 Top Rated UV Sterilizers Reviews

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Coralife Turbo Twist UV Sterilizer, 6X
Aqua UV 15 watt Advantage 2000+ Hang On UV Sterilizer
AA Aquarium Green Killing Machine 9 Watt | Internal UV Sterilizer System with Power Head | Kills Algae, Bacteria, and Waterborne Pathogens | Easy, Submersible Installation
Sun 13W UV Sterilizer Adjustable Pump Filter 150 gal Aquarium Fish Tank
SunSun JUP-01 9W UV Sterilizer Submersible Filter Pump
Capacity
Up to 250 gallons
200 ~ 500 gallons for freshwater, up to 75 gallons for saltwater
Up to 50 gallons
40 ~ 75 gallons
Up to 75 gallons
Pump Included
UV replacement indicator
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Coralife Turbo Twist UV Sterilizer, 6X
Capacity
Up to 250 gallons
Pump Included
UV replacement indicator
Price on Amazon
Model
Image
Aqua UV 15 watt Advantage 2000+ Hang On UV Sterilizer
Capacity
200 ~ 500 gallons for freshwater, up to 75 gallons for saltwater
Pump Included
UV replacement indicator
Price on Amazon
Image
AA Aquarium Green Killing Machine 9 Watt | Internal UV Sterilizer System with Power Head | Kills Algae, Bacteria, and Waterborne Pathogens | Easy, Submersible Installation
Capacity
Up to 50 gallons
Pump Included
UV replacement indicator
Price on Amazon
Image
Sun 13W UV Sterilizer Adjustable Pump Filter 150 gal Aquarium Fish Tank
Capacity
40 ~ 75 gallons
Pump Included
UV replacement indicator
Price on Amazon
Image
SunSun JUP-01 9W UV Sterilizer Submersible Filter Pump
Capacity
Up to 75 gallons
Pump Included
UV replacement indicator
Price on Amazon
  1. Coralife Turbo-Twist UV Sterilizers Reviews

Coralife Turbo Twist UV Sterilizer
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This UV sterilizer made by Coralife is ideal for most mid and large size aquariums. It has been superbly designed to effectively carry out its duty of effectively fighting against harmful substances inside your fish tank. Besides, you’ll be able to use this device on both saltwater and freshwater condition that makes it versatile to use. Let’s explore all the features offered by this sterilizer:

Features:

  • Capacity: This sterilizer is suitable for aquariums consisting of 250 or fewer gallons of water. If you own a mid or large size fish tank, this sterilizer can be the best option for you.
  • Core Functionality: This powerful sterilizer has been designed to effectively rescue your aquarium from all kinds of unwanted algae and bacteria by eliminating their existence and production cycle. You will be worry-free about its efficiency over destroying harmful substances out of your fish tank.
  • UV Capacity: The sterilizer has been designed with a twist flow technology that ensures powerful ultraviolet lighting against potential bacteria to effectively eliminate them. Besides, this will provide more optimized water flow that will go through the sterilizer.
  • Flexibility: You can use the sterilizer on both saltwater and freshwater condition inside your aquarium.
  • Unique Features: You will get an indicator light with the sterilizer that will let you notify the whole time while it is operating.

Pros:

  • Suitable for Mid & Large size aquariums
  • Powerful UV sterilizer
  • Twist Flow Technology
  • Can perform on both Saltwater & Freshwater
  • Indicator Light to notify current operation

Cons:

  • Doesn’t come with a water pump
  1. Aqua UV Sterilizer Review

Aqua UV 15 watt Advantage 2000+
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The Aqua 15 watt is a powerful UV sterilizer that has been manufactured in the United States. If you don’t want to compromise with the efficiency of an ultraviolet bulb inside your aquarium, this device can be the ultimate option for you. Not-to-mention, the sterilizer is also versatile & can be used on both saltwater and freshwater condition. Let’s learn about all the features offered by this device:

Features:

  • Capacity: This sterilizer is ideal for aquariums up to 75 gallons of water. Besides, you can also install the device on most small and mid-size aquariums that have fresh water in it.
  • Core Functionality: The sterilizer is superbly lightweight and slim that helps it to provide the highest potential ultraviolet filtering inside your fish tank. In addition, this can be easily installed on most of the aquariums out there.
  • UV Capacity: The UV light inside the sterilizer has an impressive capability to filter all your aquarium water within 5 days or less and, therefore, keep your fish tank free from all kinds of viruses, bacteria, and algae.
  • Flexibility: The Aqua UV sterilizer can be used on both saltwater and freshwater condition. However, in the case of freshwater, you can place it on larger fish tanks consisting of water more than 75 gallons.
  • Unique Features: The amazing part is, the device has been manufactured inside the United States which ensures is quality and durability than in the case of Chinese or Asian countries.

Pros:

  • Suitable for all small size aquariums
  • Lightweight and Slim body
  • Powerful UV sterilization
  • Can perform on both Saltwater & Freshwater
  • Manufactured in the United States

Cons:

  • Limited UV Bulb Life
  • Pump not included
  1. AA Aquarium Green Killing Machine 9 Watt

AA Aquarium Green Killing Machine 9 Watt
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As the name suggests, this powerful device is undoubtedly a killing machine for all the potential green substances that frequently produce inside your fish tank. This device has the capability to wipe out their existence and make the water crystal clear within a short period of time. In addition, this sterilizer also comes with a 50 GPH pump with an LED signal feature to meet your every requirement. Let’s explore all the features offered by this particular:

Features:

  • Capacity: The sterilizer is ideal for aquariums that consist of 50 or fewer gallons of water inside it. The sterilizer is undoubtedly ideal for any small fish tank out there.
  • Core Functionality: The sterilizer is powered by a 50 GPH pump that can be installed inside any part of your aquarium. The water flow has been reduced with a certain rate to ensure highest sterilizing performance inside your fish tank. Besides, the sterilizer is powered by an amazing GKM system that can make the aquarium water completely transparent and clean.
  • UV Capacity: The ultraviolet bulb inside the sterilizer can effectively eliminate all the harmful bacteria, algae and viruses out of your fish tank. Besides, it has the capability to ultimately stop the production of any microorganism inside your aquarium.
  • Flexibility: You can use the sterilizer on both freshwater and saltwater condition.
  • Warranty: The device comes with 3-years of service warranty from the manufacturer.
  • Additional Accessories: You will get one 50 GPH pump and 4 sponge filters with the sterilizer.
  • Unique Features: The sterilizer comes with an easy-to-install feature that can be performed within 10 minutes. Besides, there will be LED signals that will notify you during the appropriate time to replace your bulb.

Pros:

  • Suitable for small size aquariums
  • Comes with a built-in pump
  • GKM Technology
  • Comes with 3-years of service warranty
  • Can perform on both Saltwater & Freshwater
  • LED signals to notify bulb replacement

Cons:

  • Cheap plastic made body
  1. Sun 13W UV Sterilizer Adjustable Pump Filter

Sun 13W UV Sterilizer
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If you own a mid or large size aquarium inside your home, this powerful device can be the ideal option for you. The sterilizer comes with a built-in pump to provide constant water flow through the device and features an easy to installing function to ease up your overall duty over installing the sterilizer. Let’s learn about all the features offered by this particular:

Features:

  • Capacity: The sterilizer is ideal for aquariums consisting of less than 75 gallons of water. You can install it on any mid-size aquariums out there.
  • Core Functionality: The sterilizer is powered by a 13 watt ultraviolet light to ensure consistent water flow inside it. Besides, the device is completely easy to install and requires no extra tubing or pump to efficiently perform its operation.
  • UV Capacity: The UV light inside the sterilizer can ultimately stop the production of any floating algae out of your aquarium. Besides, the ultraviolet lamp is so efficient that it can rescue your aquarium from all kinds of harmful bacteria, and viruses.
  • Flexibility: The sterilizer can be placed both horizontally or vertically inside your aquarium. Besides, you can use it on both saltwater and freshwater condition.
  • Unique Features: The sterilizer also comes with a built-in pump with UV ballast and C-Lamp.

Pros:

  • Ideal for large & Mid-size aquariums
  • Powerful UV sterilization
  • Built-In Pump
  • Can be installed both Horizontally & Vertically
  • Can perform on both Saltwater & Freshwater

Cons:

  • A bit non-durable body
  1. SunSun JUP-01 9W UV Sterilizer

SunSun JUP-01 9W UV Sterilizer
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Now, this sterilizer manufactured by SunSun is also an ideal option for all the small aquariums out there. The sterilizer features a powerful 9-watt UV bulb to effectively eliminate all the potentially harmful bacteria, pathogens and viruses out of your fish tank. In addition, the sterilizer is also versatile that enables you to install it both horizontally and vertically without concerning about the water condition. Let’s explore all the features offered by this sterilizer:

Features:

  • Capacity: The sterilizer is best-suited for all small size fish tanks that consist of less than 75 gallons of water.
  • Core Functionality: This easy-to-install sterilizer features powerful ultraviolet filtering inside your aquarium. Similar to the previous one this UV sterilizer requires no extra tubing and can be used to efficiently perform against harmful substances inside your fish tank.
  • UV Capacity: This sterilizer features a powerful ultraviolet bulb that can easily eliminate all sorts of harmful bacteria and viruses out of your aquarium. Besides, it also significantly helps to stop the mass production of floating algae out of your aquarium and make it ultimately free from all kinds of microorganisms that can make the water unhealthy for your fish.
  • Flexibility: You can install the sterilizer both horizontally vertically inside your aquarium. Not-to-mention, it can efficiently perform on both saltwater and freshwater condition.
  • Unique Features: Like the previous version, this sterilizer also comes with a built-in pump with UV ballast and C-Lamp

Pros:

  • Suitable for all small size aquariums
  • Built-In Pump
  • Powerful UV sterilization
  • Can be installed both Horizontally & Vertically
  • Can perform on both Saltwater & Freshwater

Cons:

  • Not suitable for larger tanks.

How To Install a UV Sterilizer Inside Your Aquarium

Most of the UV sterilizer comes with an easy to installing feature. Besides, they also come with an instructional manual from the manufacturer that demonstrates how to properly install it on any fish tank. You can duly follow the guide to get familiar with the installing procedures. However, there are three common installing steps that go for most of the compact UV sterilizers out there. Let’s sequentially learn about them:

  • Determine the Place: The fact is you can place the sterilizer on any point inside your aquarium. However, if you want to keep it hidden from the eyesight, you can place it behind an air stone or any of the four corners of your fish tank. This doesn’t reduce its efficiency as long as it is properly connected with a pump and gets a continuous power supply to run its operation.
  • Connect it with the Pump: Most of the UV sterilizers come with a built-in pump to continually run its operation. If you have gone through our top-rated list of UV sterilizers for aquarium, you’ll see there are some aquariums that do come with a built-in pump to run water flow through it.However, on the contrary, you will need to install a pump and connect it with the sterilizer to run its operation. You can also place it outside the aquarium, but you should learn all the key instructions from the manual before doing that.
  • Enable the Power Supply: The final part is to connect the power supply that will enable the sterilizer to begin its operation. Most of the aquarium UV sterilizers are very compact and power efficient. They require less electricity than the pond sterilizers that usually require more maintenance and power to run. But aquarium sterilizers are completely different from them. Most of them come with a plug and play feature that allows you to effortlessly install and run it without any technical knowledge.

Frequently Asked Questions

How to choose the best UV sterilizer for my aquarium?

All the UV sterilizers come with a unique capacity attribute that denotes to the number of gallons aquarium in which it can efficiently perform. To choose your sterilizer, firstly you have to determine the approximate gallons of water inside your aquarium. Subsequently, you can look for the perfect sterilizer with the same capacity attribute and also consider whether the other features such as convenient installation or built-in pump comes with the sterilizer.

How does a UV sterilizer work?

UV sterilizers are powered by an ultraviolet light that eliminates all the bacteria and floating algae that passes through it. The lights are so powerful that it can efficiently remove the cloudiness or unclear condition inside your aquarium. The power of the light depends on the amount of watt it requires to run. More watts denotes to more powerful UV light. Besides, they not only destroy all algae but also ultimately stop their production.

Is UV sterilizer safe?

UV sterilizers are completely safe for your home and aquarium and therefore they are submersible only stays on the aquarium water prevent it from all sorts of harmful bacteria, viruses and invisible toxins that can become a health concern for your living fish. On top of that, they also make the aquarium water healthy for your fish and keep it free from harmful toxins all the time.

How much does a UV sterilizer cost?

The cost of your UV sterilizer will mostly depend upon the size of your fish tank. As we already know all the sterilizers come with a specific capacity that denotes to the efficiency of the UV light. Sterilizers that are made for larger size ponds may cost a bit higher than the smaller capacity sterilizers. To give you an example, a 75 gallons sterilizer can cost you around $35-$50 depending on the features and accessories comes with it.

Does UV sterilizer require any maintenance?

The exciting part is, UV sterilizer doesn’t require any extra maintenance after installation. However, the UV light has a runtime after which it has to be replaced by another one. If you have gone through our top-rated list of UV sterilizers, you’ll see one of them does come with an LED indicator that will notify you when it is the appropriate time to replace the UV bulb.

Final Words

We believe our guide has been helpful for you to get extensive knowledge about some of the best UV sterilizers for aquarium. Besides, we have also provided you with some effective essential strategies and guides followed by some common FAQs to make the overall buying process convenient for you. Thanks for reading the whole post. Stay tuned with us for more info-guides like this. We appreciate your time.

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