Search: 33 results found for "pond one cleartec"

Pond One Cleartec Ultra Violet Clarifier 11Watt

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Pond One Cleartec Ultra Violet Clarifier 11Watt

~~$225.00~~ $150.00

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Pond One Cleartec Ultra Violet Clarifier 5W

~~$199.00~~ $125.00

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Pond One Cleartec Ultra Violet Clarifier 18W

~~$270.00~~ $169.95

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Pond One Cleartec Ultra Violet Clarifier 9W

~~$225.00~~ $135.00

Pond One Cleartec Ultra Violet Clarifier 36W

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Pond One Cleartec Ultra Violet Clarifier 36W

~~$329.00~~ $215.00

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Pond One Claritec 10000 Pressure Filter with 13W UV Clarifier

$389.95

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Pond One Claritec 5000 Pressure Filter with 9W UV Clarifier

$350.00

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Pond One Claritec 15000 Pressure Filter with 13W UV Clarifier

$405.00

Pond One Claritec 15,000UV Pressurised Filter with 13w UVC

Keep your pond crystal clear and healthy with the Pond One Claritec 15,000UV Pressurised Filter. Designed for efficient filtration, this powerful unit combines mechanical, biological, and UV sterilisation to help control algae growth, remove debris, and maintain a balanced aquatic environment.

Please note: A water pump is required for operation (sold separately).

Key Features & Benefits

Powerful UV-C sterilisation – Built-in 13w UV clarifier helps control green water and harmful microorganisms
Solid, durable construction – Built to withstand outdoor conditions for years of reliable use
Deep cleaning power – Large filter volume for effective debris removal and biological filtration
Includes filter media – Ready to use with supplied media and hose connectors
Easy installation – All hose fittings included for quick setup
Low maintenance – Simple backwash cleaning system keeps performance high
2 + 1 Year Guarantee for peace of mind

Recommended Pond Size

15,000L – Ornamental pond with plants, few fish, and less than 6 hours of sunlight per day
7,500L – Typical pond with plants, average fish load, and average sun exposure
3,700L – Heavily stocked pond or greater than average sun exposure

Pump Sizing Guide

When choosing your pond pump, consider:

Hose length to filter – Every 1m of pipe = 10cm head height
Hose height to filter – Vertical lift directly adds to head height
Hose diameter – Reducing 1 size from pump outlet = 1m head height
Bends in the hose – Each 90° bend = 1m head height, each 45° bend = 50cm head height

These factors will determine the pump’s end flow rate (L/ph) and ensure optimal filter performance.

Specifications

Filter Height: 66cm
Filter Diameter: 39cm
UVC Power: 13w
Max Pond Size: Up to 15,000L (depending on stock & sunlight exposure)

The Pond One Claritec 15,000UV is perfect for pond keepers looking for clear water, healthier fish, and reduced algae growth – all with the convenience of a pressurised, easy-to-maintain filter system.

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Pond One UVC Lamp Pl 13 Watt

$59.95

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Philips Ultra Violet Clarifier Lamp

From $44.95

Pond One Claritec Sponge 20PPI (210S) – fits 3000/5000/10000/15000

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Pond One Claritec Sponge 20PPI (210S) – fits 3000/5000/10000/15000

$23.95

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Pond One Claritec Sponge 25PPI (208S) – fits 3000/5000/10000/15000

$24.95

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Pond One Claritec Sponge 15PPI (212S) – fits 3000/5000/10000/15000

$23.95

Pond One Claritec Sponge 15PPI (211S) – fits 5000/10000/15000

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Pond One Claritec Sponge 15PPI (211S) – fits 5000/10000/15000

$34.95

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Pond One Pond Algae Eliminator

$12.95

Pond One Claritec Sponge 20PPI (209S) – fits 5000/10000/15000

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Pond One Claritec Sponge 20PPI (209S) – fits 5000/10000/15000

$24.95

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Pond One Pond Algae Block

$10.95

(0)

API Pond Simply Clear 480ml

$44.95

Blog

The Ultimate Guide to Ultra Violet Clarifiers: Enhancing Pond Health and Beauty

Welcome to the ultimate guide on ultra violet clarifiers! If you're a pond owner looking to enhance the health and beauty of your aquatic oasis, you've come to the right place. Ultra violet clarifiers have revolutionised pond maintenance by effectively eliminating harmful bacteria, algae, and other unwanted impurities. In this comprehensive guide, we'll dive deep into the world of ultra violet clarifiers, exploring how they work, their benefits, and how to choose the right one for your specific needs. We'll also provide expert tips and insights on installation, maintenance, and troubleshooting, ensuring that you have all the knowledge and tools necessary to keep your pond crystal clear and thriving. Whether you're a seasoned pond enthusiast or just starting out, this guide will equip you with the information you need to make informed decisions and create a visually stunning and healthy environment for your aquatic friends. So, let's embark on this journey together and unlock the secrets to achieving pond perfection with ultra violet clarifiers! How do ultra violet clarifiers work? Ultra violet clarifiers or UVC's are a powerful tool in maintaining the health and beauty of your pond. These devices utilise ultraviolet light to eliminate harmful bacteria, algae, and other impurities, ensuring that your pond water remains clear and balanced. The process begins with the water passing through a quartz sleeve that houses a UV lamp. As the water flows past the lamp, the UV light penetrates the cells of the microorganisms, rendering them unable to reproduce. This effectively controls their population, preventing blooms and maintaining a healthy ecosystem. The clarified water then returns to the pond, leaving behind a crystal-clear environment for your aquatic plants and fish to thrive. There are a few key factors to consider when choosing an ultra violet clarifier for your pond. First, you'll need to determine the appropriate size for your specific needs. The size of the clarifier is usually measured in watts, with larger ponds requiring higher wattage units. Additionally, you'll want to consider the flow rate of your pond's filtration system. It's important to choose a clarifier that can handle the flow rate to ensure optimal effectiveness. Finally, look for clarifiers that offer features such as indicator lights or alarms to alert you when the UV lamp needs to be replaced. These features can help simplify maintenance and ensure that your clarifier is always operating at its best. In terms of installation, ultra violet clarifiers are typically installed after the pond's mechanical and biological filtration systems. This allows the water to be pre-filtered before entering the clarifier, maximising its efficiency. Most clarifiers can be easily integrated into existing pond setups, either in-line or as a separate unit. When installing, make sure to follow the manufacturer's instructions and consider consulting with a professional if you're unsure. Regular maintenance is also essential to keep your clarifier running smoothly. This includes cleaning the quartz sleeve and replacing the UV lamp according to the manufacturer's recommendations. By following these installation and maintenance practices, you can ensure that your ultra violet clarifier continues to provide optimal performance and keep your pond water crystal clear. Benefits of using ultra violet clarifiers in ponds Using ultra violet clarifiers in your pond offers a range of benefits that contribute to the overall health and beauty of the ecosystem. One of the primary advantages is the control of harmful bacteria and algae. Excessive bacterial growth can lead to imbalances in the pond's ecosystem, causing issues such as foul odors, poor water clarity, and even fish health problems. By effectively eliminating these microorganisms, ultra violet clarifiers help maintain a healthy environment for your pond inhabitants. Another significant benefit is the prevention of algae blooms. Algae blooms are a common problem in ponds, and they can quickly turn the water green and unsightly. These blooms not only detract from the visual appeal of the pond but can also deplete oxygen levels, leading to stress or even death for fish and other aquatic life. Ultra violet clarifiers disrupt the reproductive cycle of algae, preventing blooms from occurring and keeping your pond water clear and balanced. In addition to controlling bacteria and algae, ultra violet clarifiers also contribute to water clarity. The UV light helps break down organic matter that can cloud the water, resulting in a pristine and visually stunning pond. This enhanced clarity allows you to fully appreciate the beauty of your aquatic plants and fish, creating a more enjoyable and serene environment. Furthermore, using ultra violet clarifiers can reduce the need for chemical treatments in your pond. Many pond owners resort to using chemicals to control algae and bacteria, but these treatments can have negative effects on the overall ecosystem. By utilising a clarifier, you can minimise the reliance on chemicals, creating a more natural and eco-friendly pond. Overall, the benefits of using ultra violet clarifiers in ponds are numerous. From the control of harmful bacteria and algae to improved water clarity and reduced reliance on chemicals, these devices contribute to the overall health and beauty of your aquatic oasis. Factors to consider before purchasing an ultra violet clarifier Before purchasing an ultra violet clarifier for your pond, there are several important factors to consider. These factors will help ensure that you select the right clarifier for your specific needs, maximizing its effectiveness and providing long-term satisfaction. The first factor to consider is the size of your pond. Ultra violet clarifiers come in various sizes, typically measured in watts. It's crucial to choose a clarifier that matches the size of your pond to ensure optimal performance. Using an undersized clarifier can result in ineffective treatment, while an oversized clarifier may lead to unnecessary energy consumption. Next, you'll need to evaluate the flow rate of your pond's filtration system. The flow rate is measured in liters per hour (LPH) and represents the volume of water passing through the clarifier. It's essential to choose a clarifier that can handle the flow rate of your filtration system to ensure that the water is exposed to the UV light for a sufficient amount of time. If the flow rate is too high, the water may pass through the clarifier too quickly, reducing its effectiveness. Another factor to consider is the clarifier's durability and quality. Look for clarifiers made from high-quality materials that are designed to withstand outdoor conditions. The clarifier should be water-resistant and have a sturdy construction to ensure longevity and reliable performance. Additionally, pay attention to the clarifier's features and ease of use. Some clarifiers include features such as indicator lights or alarms that alert you when the UV lamp needs to be replaced. These features can simplify maintenance and ensure that your clarifier is always operating at its best. Consider your preferences and requirements when evaluating the available features. Lastly, it's important to consider your budget. Ultra violet clarifiers come in a range of price points, so it's essential to establish a budget and stick to it. While it's tempting to opt for the cheapest option, investing in a high-quality clarifier may save you money in the long run, as it will likely require less maintenance and have a longer lifespan. By considering these factors before purchasing an ultra violet clarifier, you can make an informed decision and choose a device that meets your specific pond needs, ensuring optimal performance and long-term satisfaction. Our most popular Ultra Violet Clarifier for Aussie ponds The OASE BioPress is one of our most popular UVC, pump, and filter combinations—and for good reason. It guarantees crystal-clear pond water by combining mechanical and biological filtration with powerful UVC sterilisation. Designed to be practically invisible, the compact filter unit can be buried up to its lid, blending seamlessly into any garden setting. Maintenance is a breeze thanks to a patented cleaning function built into the cover, along with a quick-release system for hassle-free access. The filter even features an external waste indicator, so you know when it needs attention. Plus, the solid pressure filter is powerful enough to pump water to elevated streams or waterfalls, making it ideal for a wide range of pond setups. With all hose connections included for fast installation—and backed by the OASE Clear Water Guarantee—it's no wonder the BioPress is a top choice for pond lovers who want clean water and low-fuss upkeep. The Oase Filtral UVC 3000 stands as a reliable and effective solution for maintaining crystal-clear water in your pond. This innovative compact filtration unit seamlessly integrates mechanical and biological filtration with the added power of ultraviolet clarification (UVC). The mechanical filter efficiently removes debris and particulate matter from the water, ensuring a clean and healthy environment for aquatic life. Meanwhile, the biological filter fosters the growth of beneficial bacteria, contributing to the natural balance of the pond ecosystem. The UVC technology takes it a step further by eliminating algae spores and pathogens, resulting in water that not only looks clear but is also free from harmful microorganisms. With its compact design and easy installation, the Oase Filtral UVC 3000 offers Aussie pond owners a hassle-free and efficient solution to maintain optimal water quality, creating an inviting and vibrant aquatic habitat. It features a pump for 3 fountain attachments for different water patterns and is suitable for ponds up to 3.0 m³ or 1500 litres. The most economical UVC for backyard ponds is the Pond One Cleartec Ultra Violet Clarifier. Suitable for small - larger size ponds and safe for use with fish and pond plants. Pond One ClearTec ultra violet clarifiers will effectively clear and eliminate green water in fish ponds. Spare parts afre available and we recommend replacing the UV bulb every 12 months to ensure effectivness. Installation and maintenance of ultra violet clarifiers Installing and maintaining an ultra violet clarifier is a crucial part of ensuring its effectiveness and longevity. Proper installation will maximize the clarifier's performance, while regular maintenance will keep it running smoothly and efficiently. When it comes to installation, it's important to follow the manufacturer's instructions and recommendations. Each clarifier may have specific requirements, so familiarise yourself with the guidelines provided. In general, ultra violet clarifiers are installed after the pond's mechanical and biological filtration systems. This allows the water to be pre-filtered before entering the clarifier, maximizing its efficiency. Most clarifiers can be easily integrated into existing pond setups, either in-line or as a separate unit. If you're unsure about the installation process, consider consulting with a professional or contacting the manufacturer for assistance. Once your clarifier is installed, regular maintenance is essential to ensure optimal performance. One of the key maintenance tasks is cleaning the quartz sleeve. The quartz sleeve is a transparent tube that surrounds the UV lamp and protects it from water contact. Over time, the sleeve may accumulate mineral deposits and organic matter, reducing the effectiveness of the UV light. To clean the quartz sleeve, follow the manufacturer's instructions, which may include using a soft brush or a specialised cleaning solution. Regularly inspect the sleeve and clean it as needed to maintain optimal performance. Another important maintenance task is replacing the UV lamp. The UV lamp is the core component of the clarifier, and its effectiveness diminishes over time. Manufacturers typically provide guidelines on when to replace the lamp, which is usually based on the number of hours of operation. Failure to replace the lamp as recommended can result in reduced performance and ineffective treatment. Make sure to keep track of the lamp's usage and replace it according to the manufacturer's recommendations. Additionally, it's important to regularly monitor the clarifier's performance. Look out for any changes in water clarity or signs of bacterial or algae growth. If you notice any issues, such as reduced effectiveness or unusual behavior, consult the manufacturer's troubleshooting guide or contact customer support for assistance. As a general rule, a lamp will only be effective for a 12 month period. Even it if it is still emitting light after this time, the spectrum will be in correct. and it will be ineffective.Being proactive in identifying and addressing problems will help maintain a healthy and clear pond environment. By following the manufacturer's instructions for installation and maintenance, you can ensure that your ultra violet clarifier operates at its best, providing optimal performance and contributing to a visually stunning and healthy pond environment. Common misconceptions about ultra violet clarifiers Despite their effectiveness in maintaining pond health and beauty, there are several common misconceptions about ultra violet clarifiers. These misconceptions can lead to misunderstandings about the devices' capabilities and may prevent pond owners from fully leveraging their benefits. Let's debunk some of these misconceptions and set the record straight. One common misconception is that ultra violet clarifiers are harmful to aquatic life. While it's true that UV light can be harmful to certain organisms, ultra violet clarifiers are specifically designed to be safe for fish and other aquatic inhabitants. The UV lamp used in these clarifiers is housed inside a quartz sleeve so it only comes into direct contact with the free floating algae and bacteria, not the plants or the fish. inhabitants. Another misconception is that ultra violet clarifiers are only necessary for large ponds or heavily stocked ponds. While it's true that larger ponds may require higher wattage clarifiers to ensure optimal treatment, ultra violet clarifiers can benefit ponds of all sizes. Even small ponds can experience issues with bacteria, algae, and water clarity, and a properly sized clarifier can help address these problems. Whether your pond is large or small, a clarifier can contribute to a healthier and more visually appealing environment. Some pond owners believe that ultra violet clarifiers eliminate the need for mechanical and biological filtration systems. While ultra violet clarifiers are a valuable addition to any pond maintenance system, they should not replace other filtration methods. Mechanical and biological filtration work in conjunction with the clarifier to ensure comprehensive water treatment. Mechanical filtration removes larger debris, while biological filtration provides a home for beneficial bacteria that help break down organic waste. The combination of these systems with an ultra violet clarifier creates a balanced and effective pond maintenance approach. Lastly, some people believe that ultra violet clarifiers require a significant amount of electricity to operate. While it's true that clarifiers require electricity to power the UV lamp, they are designed to be energy-efficient. Modern clarifiers use advanced technology to maximise their effectiveness while minimising energy consumption. Additionally, the cost of operating a clarifier is relatively low compared to the benefits it provides in terms of water clarity and overall pond health. When considering the energy consumption, remember that the long-term benefits outweigh the minimal electricity usage. By dispelling these common misconceptions, we can better understand the capabilities and benefits of ultra violet clarifiers. These devices are safe, effective, and suitable for ponds of all sizes, making them an invaluable tool for maintaining a healthy and visually stunning pond environment. An important thing to note about ultra violet clarifiers is that they will only kill free floating algae that causes cloudiness or discoloration of the water. Algae will still grow on the sides and bottom of the pond. Alternative pond health and clarifying solutions While ultra violet clarifiers are highly effective in enhancing pond health and water quality, there are alternative solutions that can be used in conjunction with or as an alternative to these devices. These solutions provide additional options for pond owners looking to maintain a pristine and visually stunning pond environment. One alternative solution is the use of beneficial bacteria products such as API Pond Accuclear . Thius product helps to bind fine particles together and have them settle on the bottom of the pond where they can be removed using a pond vacuum cleaner. Beneficial bacteria play a crucial role in maintaining a balanced ecosystem by breaking down organic waste, reducing nutrient levels, and preventing the build-up of harmful bacteria. Adding beneficial bacteria products to your pond can help improve water quality, reduce algae blooms, and enhance overall pond health. These products are available in liquid form and can be easily added to the pond according to the manufacturer's instructions. © weknowwatergardens 2025

on Aug 02, 2023

Blog

Why Your Pond Water Is Green (And How UV Clarifiers Fix It)

If your pond has suddenly turned into what looks like pea soup, don’t panic—you’re not alone. Green pond water is one of the most common issues pond owners face, especially during warmer months in Australia. The good news? It’s completely fixable. And in many cases, the long-term solution is surprisingly simple: a UV clarifier. What Causes Green Pond Water? Green water is caused by millions of tiny floating algae cells multiplying in the water. These microscopic algae bloom rapidly when conditions are right, turning your pond cloudy green and making it difficult—or impossible—to see your fish. Learn more about the types of algae that are commonly found in ponds here. Common Causes of Green Pond Water: Excess nutrients from fish waste and uneaten food Too much sunlight Decaying leaves and organic matter Lack of oxygenating pond plants Poor filtration or water circulation Think of algae as opportunistic. If your pond has excess nutrients and nothing competing for them, algae will take over fast. Why Pond Plants Alone Sometimes Aren’t Enough Adding pond plants is one of the best natural ways to improve water quality. Oxygenating plants such as: Brahmi Upright Milfoil Pink Rotala Lebanese Water Cress …all help absorb excess nutrients and compete directly with algae. But when a pond already has an active algae bloom—especially in sunny ponds or fish ponds—plants often need extra support. That’s where UV clarifiers come in. What Does a UV Clarifier Actually Do? An Ultra Violet Clarifier (also called a UVC or ultraviolet clarifier) uses ultraviolet light to target the free-floating algae responsible for green water. As pond water passes through the unit, the UV light disrupts the algae cells so they can no longer reproduce. The algae then clumps together and is removed through your filtration system. The result? Crystal clear pond water. Unlike algae treatments that only react after the problem appears, a UV clarifier works continuously to help prevent green water from returning. The Benefits of Using a UV Clarifier Clearer Water All Year Round UV clarifiers are one of the most effective long-term solutions for green pond water. Safe for Fish & Pond Plants UV clarifiers target free-floating algae inside the unit only. They are safe for fish, frogs, lilies, and pond plants. Less Maintenance Once installed correctly, a UV clarifier dramatically reduces the constant battle against green water. Better Pond Enjoyment Because honestly—what’s the point of having fish if you can’t see them? Which UV Clarifier Is Right for Your Pond? At We Know Water Gardens, we stock a carefully selected range of UV clarifiers and pond filter systems suitable for Australian ponds of all sizes. Some popular options include: Pond One Claritec 3000UV Pressurised Filter With 9W Ultra Violet Clarifier – ideal for ponds up to 3,000L Pond One Claritec 5000UV Pressurised Filter With 9W Ultra Violet Clarifier is best for ornamental pond with plants, a few fish, low sun exposure (<6 hrs/day): up to 5000L Pond One Cleartec Ultra Violet Clarifier 18W – effective standalone UVC for larger ponds Oase BioPress 4000 Set – premium all-in-one filtration and UVC solution Of course if you have a pond with heavier fish stock, longer sun exposure or that you have battled algae with (relentlessly), we suggest going up to a higher performing unit. For many backyard ponds, an all-in-one pressurised filter with integrated UV clarifier is the easiest and most effective setup. If in doubt, feel free to get in touch with us and we can make the best recommendation for your situation. The Best Results Come From Balance A UV clarifier works best as part of a balanced pond system. For consistently clear water, combine: UV clarification Good filtration Beneficial bacteria Oxygenating pond plants Controlled feeding Regular debris removal Treatments like Splosht Large Fish Pond & Water Feature – 3 Month Treatment can also help reduce sludge and excess nutrients naturally. Common Misconceptions About UV Clarifiers “Will it stop algae completely?” UV clarifiers target free-floating algae that causes green water. They won’t stop algae growing on pond walls or rocks. “Are UV clarifiers harmful?” No. Properly installed UV clarifiers are safe for fish, frogs, plants, and wildlife because the UV light remains enclosed within the unit. “Do I still need a filter?” Yes. UV clarifiers work alongside mechanical and biological filtration—not instead of it. How Long Does It Take To Clear Green Water? Many ponds begin improving within days, with major clarity improvements often visible within 1–2 weeks depending on: pond size algae levels filtration setup sunlight exposure water balance Replacing UV globes annually is also important to maintain effectiveness. Clear Water Starts Here A green pond doesn’t mean your pond is failing—it simply means the ecosystem is out of balance. With the right combination of plants, filtration, and UV clarification, you can transform murky green water into a crystal-clear pond you actually enjoy looking at. Explore our range of UV clarifiers, filters, pond treatments, and oxygenating plants to create a healthier, clearer pond all year round. Shop the collection: Clear Green Pond Water Solutions © weknowwatergardens 2026

on May 13, 2026

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Pond One Cleartec Ultra Violet Clarifier 11Watt

Pond One Cleartec Ultra Violet Clarifier 11Watt

Pond One Cleartec Ultra Violet Clarifier 5W

Pond One Cleartec Ultra Violet Clarifier 5W

Pond One Cleartec Ultra Violet Clarifier 18W

Pond One Cleartec Ultra Violet Clarifier 18W

Pond One Cleartec Ultra Violet Clarifier 9W

Pond One Cleartec Ultra Violet Clarifier 9W

Pond One Cleartec Ultra Violet Clarifier 36W

Pond One Cleartec Ultra Violet Clarifier 36W

Pond One Claritec 10000 Pressure Filter with 13W UV Clarifier

Pond One Claritec 10000 Pressure Filter with 13W UV Clarifier

Pond One Claritec 5000 Pressure Filter with 9W UV Clarifier

Pond One Claritec 5000 Pressure Filter with 9W UV Clarifier

Pond One Claritec 15000 Pressure Filter with 13W UV Clarifier