5 Aquarium UV Sterilizers for Cleaner Water

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Do Fish Pee

 

An aquarium must be kept clean at all times. Not only is it vital for the health of your fish, but it is also essential for the aesthetics of the fish tank. The sparkling clean water of the aquarium makes the experience of watching the fish swim even more joyful.

The cleaning part of an aquarium is handled by the filters that keep the water free from bacterial growth and algae development. Most of these filters use active charcoal for taking care of the algae, but they prove ineffective against microalgae and pathogens.

This task can be effectively done by an aquarium UV sterilizer that uses UV light to remove the microscopic organisms floating in the water.

We have reviewed some of these UV sterilizers for you, and you can pick one that suits your aquarium.

 

Top pick: Compact sterilizer

 

 AA Aquarium Green Killing Machine Internal UV Sterilizer 

 

Aquarium UV Sterilizer

 

 

This aquarium UV filter or sterilizer is one of the most effective ways of keeping your fish tank disinfected without using any harmful chemicals. If you want crystal clear water in your fish tank, this aquarium UV sterilizer will do that for you. 

This UV sterilizer gives out radiation at a wavelength of about 254 nm, and the pump of this aquarium UV filter is rated at 50 gph, but the flow gets reduced further with the zigzag flow within the bulb. It maximizes the treatment time, and the reduced water flow improves the UV efficiency of the pump.

Its aquarium UV light rays effectively control free-flowing bacteria, mould, yeast, and other pathogens. This sterilizer clears up the green water or any cloudiness from the water without any chemicals. Once the water appears cleaner, you can set the UV on a timer. It increases the bulb life, but the timer does not come with the sterilizer.

This sterilizer operates with the help of a water pump and can use it in aquariums with up to 50 gallons of capacity. Can use it in both saltwater and freshwater aquariums. The submersible aquarium UV sterilizer is easy to install without external plumbing and is easy to use. 

Can place this aquarium UV filter both vertically and horizontally. The sleek design of this sterilizer keeps it hidden behind the aquarium decorations, and the suction cups keep it in place. The LED signals when it is time for bulb replacement. 

Pros

● Easy to use

● Easy to install

● Powerhead included

● Works without any chemicals

● Sleek design

Cons

● Timer not included 

Top pick: High-output sterilizer

 

 

Aquarium UV Sterilizer

Coralife Turbo Twist UV Sterilizer

 

If you are looking for a UV sterilizer that can work effectively in your large aquarium (we are talking up to 250 gallons of water!), then this one is ideal for you. This UV sterilizer can work effectively in saltwater as well as freshwater aquariums. This device is reasonably easy to install using brackets and can be hung up at the side of the fish tank. The mounting brackets also help with in-line applications.

This UV sterilizer can be attached at the end of a filtration pump with a flow of water between 300 and 900 gallons of water. Its UV bulbs are made of quartz glass that allows maximum emission of UV energy, and the glass shield around it keeps the water out. With its 18-watt aquarium UV light, this sterilizer does an excellent job of eliminating bacteria, algae, and other microorganisms that are harmful to the fish. It works effectively in large aquariums with up to 250 gallons of capacity. The indicator light lets you know when the sterilizer is working.

Its high output and new-age spiral design increase its efficiency, and all these attributes make this UV sterilizer a good buy.

Pros

● Easy to install

● Durable and efficient

● Sleek design

● High output

● Efficient

Cons

● Needs an aquarium pump to function

● Loosely fitted UV bulb 

 

 

Top pick: The complete sterilizer kit

 

SunSun JP-01 UV Sterilizer

                                  

Aquarium UV Sterilizer

 

 

This submersible UV sterilizer is versatile in its usage and can function effectively in the small reef and fish tanks, both saltwater and freshwater. The sterilizer can effectively clean water in a tank of capacity up to 75 gallons, with its 9 watts UV energy. Its large mechanical pre-filter sponge cleans out the debris to optimize the UV effect and to eliminate any harmful microorganisms in the water.

The sterilizer unit comes with a built-in pump, UV-C lamp, UV ballast, a giant mechanical pre-filter sponge, and suction cup mounting brackets. This UV sterilizer does not need any additional pump since it already has one built-in that can pump 210 gallons of water every hour to clean the water with its UV energy. Along with the circulation pump, the sterilizer also comes with a tubing. It saves you the hassle of arranging for these accessories.

The sterilizer is easy to install with the suctions cups that come with it. Its compact size does not take up much space in the tank, and you can place it vertically and horizontally.

Pros

● Built-in pump included

● Accessories like tubing and suction cups included

● Easy to install

● Compact design

Cons

● The UV bulb needs to replaced every year 

 

 

Top pick: Reliable performance sterilizer

 

AquaUltraviolet Advantage 15-Watt UV Sterilizer

 

 

Aquarium UV Sterilizer

 

 

Having algae in your aquarium is always the most significant problem you face while keeping your fish tank clean and your fish healthy. This UV sterilizer takes care of algae and other microorganisms that make the water in your tank unhealthy. The 15watt UV sterilizer is ideal for aquariums and reef tanks with up to 75-gallon capacity.

This sterilizer is effective in removing viruses, bacteria, and protozoa from the water. Although it takes 3-5 days to clear the water, it may sometimes do it even overnight, depending on the number of algae in the water. With its slim and sleek design, this sterilizer fits in easily in the tank without taking up much space in the aquarium.

Pros

● Guaranteed performance 

● Slim and lightweight design

Cons

● Suited only for small aquariums

● Mounting hardware like suction cups not included

● May kill some good bacteria introduced into the water recently

Top pick: High performing sterilizer

 

 

Jebao 36-Watt Koi Fish Pond Aquarium UV Light Sterilizer

 

  Aquarium UV Sterilizer             

 

This UV sterilizer has been designed to remove all single-cell organisms like viruses and bacteria from aquarium water. If green algae have been plaguing your water, this UV sterilizer will help you clear the water and create a healthier environment for your fish. For best and quicker results, you must use this UV sterilizer in filtered water.

Can use it in saltwater as well as freshwater tanks. The unit comes with a long 22ft power cord, and the 36watt UV bulb needs to be replaced every 6-12 months. This sterilizer produces quick results, and you will begin to notice cleaner water soon after it is installed. However, it does not perform well if there is any debris in the water as it can create a problem in UV transmission. 

The quartz sleeve of the sterilizer needs to be cleaned to remove a film that collects on its surface. It allows the sterilizer to work unhindered.

Pros

● It can be installed both horizontally and vertically

● Quick results

Cons

● Does not work well with debris in the water

A UV sterilizer makes your job easier by cleaning your water in addition to the filtration system you provide to it. Elimination of the harmful microorganisms and bacteria from the aquarium will improve the health of your fish and plants as well. 

 

Frequently Asked Question

 

Why do you need a UV sterilizer?

 

A UV sterilizer removes bacteria, parasites, viruses, and algae present in the water of an aquarium. One of the most important reasons you have one in your fish tank is to curb algae growth. Algae are detrimental to the health of the fish and any live plants in your aquarium.