Best rated UV sterilizer for koi ponds – Guide & reviews

Best rated UV sterilizer for koi ponds – Guide & reviews

Last Updated: 16.10.18

Top UV Sterilizers for Koi Ponds Reviewed - Buying guide & Comparison for 2018

If you want the best UV sterilizer for Koi ponds, but you don’t have a lot of time at your disposal, you can read this paragraph and have everything you need for an informed buying decision. Our research included customer reviews, expert opinions, and other information related to sales, and it led us to conclude that the Goplus Pond Pressure should be the item to invest in. The UV system makes sure that the development of algae in your pond is greatly reduced so that the water remains clear and clean. This model is ideal for ponds because it manages to filter large quantities of water, of up to 2500 gallons. The automatic cleaning system it comes equipped with saves you time and effort and makes this particular model an excellent choice. Should the Goplus Pond Pressure no longer be available, we also recommend the Jebao 36W, a model with almost the same advantages.

If you don’t want your koi pond to turn into a large-scale Petri dish for algae, you will need a sterilizer for the water. A UV system sounds like the perfect solution because the light emitted by such a device will reduce the rhythm at which the algae will grow. UV light can destroy the algae at a cellular level, hence being the most effective. If you are interested in getting the best Koi pond UV sterilizer out there, read our buying guide.

What wattage should your UV sterilizer have?

If you shop around for pond clarifiers and filters, you will notice that such units have certain ratings. The type of wattage used can tell you a lot of things about the product you are going to purchase. The following information will serve you for setting apart various UV sterilizers into categories.

The power of the UV lights used by the system is expressed in watts; that is the wattage we are talking about. If you pick a UV sterilizer with a wattage of about 11 watts, that would be perfect for 4,000-gallon ponds. Of course, the more wattage you get, the more powerful the system is, and the algae are eliminated more efficiently.

However, this does not mean that you should overspend. Take into consideration the size of your koi pond. Getting a perfect match will help you save up some money, and that is an advantage you should not overlook.

For reducing bacteria, but also algae, it is usually a good idea to get a more powerful model. Those that come with wattages of 15 to 30 watts will do a fine job for ponds holding about 4,000 gallons of water. Focus on what you need, and pick accordingly. In a way, you should invest as much attention as you would when picking an autoclave sterilizer.

Flow rate and turnover rate

When you read the specs for various models on the market, you will often encounter terms such as flow rate and turnover rate. These will help you understand if the product you intend to pick is an optimal choice for your koi pond or not. What you must bear in mind is that the flow rate must be enough to sustain a good turnover rate.

The flow rate is the number of gallons of water pumped per hour. Take a look at the turnover rate. If this is significantly superior, it means you are looking at a more than decent unit. You need this turnover rate to be high, because, otherwise, your UV sterilizer will not be able to keep up with the rate of reproduction of the algae.

This is what makes UV sterilizers stand above UV clarifiers. After monitoring all the conditions to perfection, such as using a ph meter for water, you surely want your pet fish to have the best conditions possible. Pick a model with a turnover rate of 1 or 1.5 and this way you will know that you offer them optimal conditions to thrive in a beautiful pond.

Auto-cleaning features of your other gear

People use all kinds of devices to take care of their health, from a nutrition scale to healthy cooking devices. For pets such as fish, clear water equals healthy living. However, you need to make sure that taking care of your fish does not take a toll on you.

For this reason, you should pick a model with an auto-cleaning feature. This way, you will not have to work hard to clean the filter yourself, and, at the same time, the water in the pond will be clean and clear.

Our 2018 list: Find the right UV sterilizer for koi ponds for your needs

Goplus Pond Pressure

If you are looking for a good sterilizer for Koi ponds, it is a great idea to stop at this particular product first. Its UV light system is excellent, and it helps to reduce the growth of algae in any pond with maximum efficiency. Your fish will thrive in a pond where the water is clear and clean all the time.

The filter the system comes along with does a swell job, and it is the right choice for ponds holding up to 2500 gallons of water. In case you want to install the unit in a pond with heavy fish load, the maximum capacity is 1500 gallons of water.

A very advantageous feature is the multi-function tool capacity of this device. The unit can be used to clear the water of bacteria, so you don’t have to purchase another device for this purpose only. The automatic cleaning function makes it ideal for busy people.

Pros

The most important things the piece offers are the UV bulbs that work to reduce the presence of single-celled algae. This way, you can naturally clear the koi pond, without hurting the fish in the process.

It also has a large capacity. The model is ideal for most medium-sized ponds, and it purifies the water very fast without consuming a lot of energy. You can also select your favorite feature from the Multi-Function Tool.

The machine is made from highly durable and also lightweight materials, and it features a special outer cover that doubles its lifespan and makes it resistant to humidity and even corrosion.

Cons

One buyer mentioned the directions the product is shipped with are terrible and almost unintelligible, and that the ones found on the seller\'s website are equally thin and confusing. Luckily, you can find plenty of Youtube videos to help you with the installation.

Buy from Amazon.com for ($107.99)

Jebao 36W

Many of the reviews of UV sterilizers for Koi ponds recommend this product. This is ideal for more than just killing the overgrowing algae in your pond. It does an excellent job removing bacteria and viruses, so that your fish can thrive and be happy.

This model can be used in both freshwater and saltwater system, and it is ideal for ponds, as well. The capacity of this model is optimal for ponds up to 8,000 gallons, so you can rest assured that it will be a good choice for your koi pond, too.

This system can be installed either vertically, or horizontally. This type of versatility recommends them for people who want an UV sterilizer that can be placed anywhere they wish. Clear instructions are provided by the manufacturer, so you can install the filter properly. The ultraviolet lamp it comes equipped with is very efficient against various critters living in the water.

Pros

We wouldn\'t be right if we didn\'t mention the fact that this UV sterilizer is extremely capable of getting rid of green water. Experts recommend it for both fresh and saltwater systems, as well as ponds, and it is this versatility that sets it apart.

It emits a germicidal ray, which instantly disrupts the DNA of targeted organisms such as algae and bacteria. Moreover, it can be installed vertically or horizontally, depending on the size of your pond.

And lastly, you should note that you can easily install it, and cleaning the piece is an effortless task that even a child can do.

Cons

As a flaw, we will mention that this product works better with filtered water. This happens because debris can block the rays from penetrating the biological barriers.

Another critical downside could be the fact that it needs to be cleaned on a regular basis for optimal results.

Click to see the price on Amazon!

Oxyful 18W Non-Submersible

When you need to work with a sample in a lab, you need various tools, such as a moisture analyzers, but, for a koi pond, you need a good filter with sterilizing properties, most and foremost. The Oxyful 18W Non-Submersible is an excellent choice for your pond, and the good news is that it is also reasonably priced.

The flow rate can reach a value of 792 gallons per hour, which means that it is pretty powerful. It is a good pick for an aquarium, but also for ponds of up to 6,000 gallons. You will hardly find a better model for large water systems.

The 10-stage system will purify the water inside your pond, so your fish can thrive and remain healthy. The model comes equipped with stainless steel reflectors, which enhance the sterilizing power by a third. This also helps with prolonging the lifespan of the unit.

Pros

This unit can help you remove even the toughest microorganisms in your pond. The high-performance UV bulb ensures that any harmful bacteria in your ecosystem will be dealt with professionally, without the additional use of chemicals.

Action-wise, it can get rid of algae, protozoans, cyanobacteria, and even insect larvae. It is perfect for saltwater corals, and invertebrates, or if you live in a hot place like Florida.

It can clear pond sizes up to 6604 gallons, and it is encased in a hard plastic housing so water can\'t damage any of the electrical components. This is your guarantee that your money is well-spent.

Cons

As its name suggests, this is a potent machine, but it cannot be submerged in water. This means that the depth the UV rays can reach is somehow limited.

The model has an 18W capacity, so it might not be suited for extremely large ponds of for those waters that are really infested with algae.

Buy from Amazon.com for ($64.99)

Oxyful 36W Non-Submersible

In case you need a more powerful device for sterilizing the water inside your pond, you should opt for the Oxyful 36W Non-Submersible. Among the many products available for sale, this one stands out, due to all the advantages it has to offer.

The flow rate can reach 1849 gallons of water per hour, which is quite impressive. You can use this model for an aquarium, but also for a pond, as its capacity allows it. It is an excellent choice if you want to eliminate more than just overgrowing algae. This model is efficient against bacteria, and you can have clear, clean water in your pond without the use of chemicals.

The system comes equipped with a unique filter technology that involves the use of ceramic balls, calcium sulfite, and polypropylene cotton. The water is purified and there will be no heavy metals and chlorine in the pond.

Pros

One thing is for sure - this beast doesn\'t lack in power. The top of the line technology incorporated inside it sterilizes your water via an external filter that utilizes UV rays.

It is also super fast, and it doesn\'t leave any toxic residue behind. The tool is ideal not only for ponds but also for tanks and saltwater containers too. It is a universal solution to sterilizing needs.

It only works on harmful guests, and not on your pond wildlife, which is definitely something most buyers appreciate. It generates 18W and installation is a breeze even if you lack experience with these items.

Cons

One thing that didn\'t sit well with some customers is that the plastic used for its manufacture is not high-end, but rather cheap looking.

Another uncomfortable thing is the fact that it is shipped with many pieces that can be easily misplaced if you\'re not careful.

Buy from Amazon.com for ($74.99)

Sun 55W

Is the green water in your fish pond starting to get a little too much to handle? If you have ever attempted to clean your pond without the help of a powerful filter, you surely know what we are talking about. The Sun 55W is a powerful tool that will help you get rid of all the unpleasant algae growing in your pond.

With a maximum flow rate of 4400 gallons per hour, this system is ideal for your pond. The algae will not have enough time to grow again, and their development cycle will be broken.

The UV light will make sure to destroy the algae at a cellular level, preventing them from developing. Bear in mind that this model is the optimal choice for large ponds, that can hold up to 15,000 gallons of water. There are plenty of other choices, in case this one is too powerful for you.

Pros

This 55W item is a powerhouse. It measures 25 inches and it is compatible with many international and domestic outlets. Speaking of power, it has a 4400GPH max flow rate so it can save you time and money on your utility bill.

Moreover, the piece is suitable for ponds that don\'t exceed 15000 gallons, which is quite an impressive feature that has turned the product into a fan favorite.

It will maintain your pond clear, and in this way, you can prolong the life of your fish, as the tool will deal with all pathogens in a safe manner and without harming the precious koi genetically.

Cons

As far as we can tell, the installation manual is useless. People constantly complain that they have to look online for instructions since the ones provided by the seller are confusing.

Because it is so powerful, this machine consumes more power than an average model, which can be a setback for some.

Buy from Amazon.com for ($79.99)
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