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API Pond Simply Clear 473ml – Natural Pond Water Clarifier

API Pond Simply Clear is a fast-acting, bacterial-based water clarifier that helps restore clarity to murky or cloudy pond water. This triple-action formula not only clears water quickly, but also breaks down sludge and reduces the presence of algae through natural biological processes.

Ideal for maintaining a clean, healthy pond environment, API Simply Clear offers a long-term, eco-friendly solution to poor water clarity by targeting the root causes of murkiness.

Key Features:

• Natural bacterial-based formula
• Clears cloudy or murky pond water fast
• Breaks down sludge and organic debris
• Helps reduce algae growth
• Provides a long-term solution to unclear water
• Safe for fish, aquatic plants, and wildlife

When used as directed API Pond Simply Clear is safe for fish and plants and can be used in all types of water gardens, water features and ponds. At the start of Spring an initial dose of API Pond Simply Clear should be applied at a rate of 1ml to every 15ltrs. A maintenance dose can then be used on a fortnightly basis of 1ml per 30 litres of water.

The Pond One Pondmaster 3600 Fountain Pump is a compact, quiet and versatile pond and water feature pump designed to provide reliable water movement and attractive fountain displays. With a maximum flow rate of 3500 litres per hour, it’s ideal for small ponds up to 2000 litres, fountains, wall fountains, decorative ornaments and other water features.

Fully submersible and designed for continuous underwater operation, the Pondmaster 3600 features adjustable flow control, three interchangeable fountain heads and a pre-filter sponge. This gives you the flexibility to customise your water display while helping keep debris from entering the pump.

With a 10 metre power cable and maximum head height of 3.4 metres, the Pondmaster 3600 provides plenty of flexibility when positioning your pump in a pond or water feature.

Pondmaster 3600 – Ideal For

• Small ponds up to 2000 litres

• Pond fountains

• Decorative water features

• Fountains and statues

• Wall fountains and water features

• Small pond ornaments

• Hydroponic systems

• Irrigation applications

• Indoor and outdoor water features

Create Your Own Fountain Display

The Pondmaster 3600 includes three interchangeable fountain head sets, allowing you to create different decorative spray patterns and customise the look of your water feature.

The adjustable flow control lets you increase or reduce the water flow to suit your pond, fountain or ornament. This makes it easier to achieve the right spray height and water movement for your particular setup.

Pond Pump with Pre-Filter Sponge

A pre-filter sponge helps prevent leaves, dirt and other debris from entering the pump. It also helps protect the internal components and can be easily removed and cleaned as part of your regular pond maintenance.

Regularly cleaning the pump and filter sponge can help maintain good water flow and reliable performance.

Quiet, Efficient & Fully Submersible

The Pondmaster 3600 is a fully submersible pond pump designed for continuous underwater operation. Its quiet and efficient performance makes it suitable for a variety of indoor and outdoor pond and water feature applications.

With up to 3500 litres per hour of water flow, it provides strong circulation for smaller ponds while also offering the flexibility needed for decorative fountains and water features.

Pond One Pondmaster 3600 Specifications

• Maximum flow rate: 3500 L/hr

• Flow rate at 0.5m head: 3300 L/hr

• Maximum head height: 3.4m

• Voltage: 240V

• Power: 71W

• Cable length: 10m

• Pump type: Fully submersible

• Flow control: Adjustable

• Fountain heads: 3 included

• Pre-filter: Sponge included

Choosing the Right Pond Pump

When selecting a pond pump, it's important to consider the pump's maximum flow rate as well as the height the water needs to be lifted. The type of fountain or water feature and the amount of water movement you want will also influence which pump is right for your setup.

The Pond One Pondmaster 3600 delivers up to 3500 litres per hour, with approximately 3300 litres per hour at 0.5 metres of head, making it a versatile choice for small ponds and a wide range of decorative water features.

If you're unsure which pond pump or fountain pump you need, contact our team at We Know Water Gardens. We can help you choose a pump based on your pond size, desired water flow and water feature requirements.

Pond One Pondmaster 3600 – a versatile 3500L/hr pond and fountain pump for smaller ponds and water features.

Pond One UVC Lamp PL 7W – Clear, Healthy, Algae-Free Pond Water

The Pond One UVC Lamp PL 7W provides optimal UVC output to help maintain a healthy and crystal-clear pond environment. By targeting and controlling algae growth, this lamp ensures your pond stays algae-free without the need for chemicals, making it safe for fish and aquatic plants.

Key Features & Benefits

• 7 W power for effective UVC performance
• Promotes clear and healthy pond water
• Reduces algae growth naturally, chemical-free
• Compatible with a wide range of pond UVC clarifiers
• Easy to install and replace

The Pond One UVC Lamp PL 7W (53051) is an essential part of any pond filtration system, helping to maintain clarity, water quality, and a healthy aquatic environment.

API Pond Accu Clear 473ml – Fast-Acting Pond Water Clarifier

Keep your pond water clear and healthy with API Pond Accu Clear, a powerful liquid clarifier designed to eliminate green or cloudy water caused by suspended particles. This treatment works by binding tiny floating particles together to form larger clumps, which then settle at the bottom of your pond or are easily removed by your pond filter.

API Pond Accu Clear quickly clears murky water within hours of application. If cloudiness persists, a second dose can be applied after 24 hours. Regular dosing as part of your pond maintenance routine helps maintain crystal-clear water and improves the efficiency of your pond filtration system.

Key Benefits:

• Rapidly clears cloudy or green pond water caused by floating debris
• Clumps fine particles into larger clusters for easy removal or settling
• Enhances pond filter performance for better water quality
• Suitable for routine weekly use to maintain clear, healthy pond water
• Safe and effective solution for natural pond ecosystems

Use API Pond Accu Clear 473ml to maintain beautiful, clear water in your pond and support a healthy aquatic environment all year round.

The Pond One Pondmaster 1800 Fountain Pump is a compact, quiet and versatile pond and water feature pump designed to provide reliable water movement for a wide range of applications. It’s ideal for small ponds, fountains, cascades, waterfalls, decorative ornaments and water features, as well as aquariums, hydroponic systems and irrigation applications.

Fully submersible and easy to install, the Pondmaster 1800 is suitable for both indoor and outdoor use. It comes with a generous 10 metre cable, giving you plenty of flexibility when positioning the pump, and includes three interchangeable fountain heads so you can create different decorative water effects.

Whether you're adding a fountain to a pond, creating a small waterfall or simply looking for reliable water circulation, the Pondmaster 1800 is a practical and versatile choice.

Pondmaster 1800 – Ideal For

• Small ponds

• Indoor and outdoor water features

• Fountains and decorative water features

• Cascades and small waterfalls

• Fountains and statues

• Wall fountains and small ornaments

• Freshwater aquariums

• Saltwater aquariums

• Hydroponic systems

• Irrigation applications

Create Different Fountain Effects

The Pondmaster 1800 includes three interchangeable fountain heads, giving you the flexibility to change the appearance of your water feature and create different decorative spray patterns.

Use the fountain heads to create an attractive display in your pond or water feature, or remove them when you need the pump for water circulation, a cascade or other application.

Compact & Fully Submersible

The Pondmaster 1800 is a fully submersible pump, making installation simple and convenient. Position the pump underwater and connect it to your chosen fountain head, tubing or water feature.

Its compact design makes it particularly useful for smaller water features, ponds, aquariums and other applications where space is limited.

Quiet & Efficient Water Feature Pump

Designed for dependable water movement, the Pondmaster 1800 provides quiet and efficient operation for indoor and outdoor applications.

Regularly checking your pump and keeping it free from debris will help maintain good water flow and reliable performance.

10 Metre Cable for Flexible Installation

The generous 10 metre cable makes it easier to position the Pondmaster 1800 where you need it, giving you greater flexibility when setting up your pond, fountain or water feature.

Pond One Pondmaster 1800 Features

• Pump type: Fully submersible

• Fountain heads: 3 interchangeable fountain heads included

• Cable length: 10m

• Use: Indoor and outdoor

• Applications: Ponds, fountains, waterfalls, aquariums, hydroponics and irrigation

• Design: Compact and efficient

• Operation: Quiet water movement

Choosing the Right Pond Pump

When choosing a pond pump, it's important to consider what you want the pump to do. A pump used to create a fountain may have different requirements to one powering a waterfall or simply circulating water around a pond.

You'll also need to consider the height the water needs to be lifted, the size and type of your water feature and the amount of water movement required.

If you're unsure which pond pump or fountain pump is right for your setup, contact our team at We Know Water Gardens. We can help you choose a pump based on your pond and water feature requirements. Whether you're setting up a new water garden or replacing an existing pump, we're here to help you get the water moving.

Pond One Pondmaster 1800 – a compact, fully submersible pond and fountain pump for small ponds, water features, waterfalls and water circulation.

OASE PondoVac 4 Pond Vacuum Cleaner – Continuous, Powerful, and Versatile Cleaning

The OASE PondoVac 4 delivers uninterrupted cleaning power, vacuuming up to 5,000 L/h in garden ponds, pools, swimming ponds, and even as a wet vacuum indoors. Its patented dual-chamber system allows simultaneous vacuuming and emptying, ensuring continuous operation without downtime.

Featuring a high-performance 1,800 W motor with optimised blade geometry, the PondoVac 4 achieves a maximum suction depth of 2.4 metres. The transparent suction tube provides instant visual flow control, while transport rollers, a carrying handle, and an integrated suction pipe holder make it easy to manoeuvre and store.

Key Features & Benefits

• Continuous operation with patented dual-chamber design
• High suction depth of up to 2.4 m for deep cleaning
• Adjustable suction power via a manual control unit
• Transparent tube for real-time monitoring of debris flow
• Versatile use in ponds, pools, swimming ponds, and for wet vacuuming in the home
• Easy transport with wheels and adjustable handle
• Quick nozzle backflushing to clear blockages

Included Accessories

• Four robust aluminium suction tubes
• Special string algae nozzle
• Broad universal nozzle
• Area nozzle and wet suction brush
• Brush nozzle for detail cleaning
• Debris collection bag
• 5 m suction hose and 2.5 m discharge hose

With a suction capacity of up to 83 L/min, the OASE PondoVac 4 is the ideal solution for maintaining clear, healthy pond water and keeping your outdoor or indoor water features looking their best.

OASE FiltoClear 16000 – Pressurised Pond Filter with Integrated UVC Clarifier

The German-designed OASE FiltoClear 16000 is a premium all-in-one pond filtration system that delivers crystal-clear water through a powerful combination of mechanical, biological, and UVC technology. Equipped with a 55-watt UVC clarifier, it effectively disrupts single-cell algae growth, eliminating the cause of green water in ponds.

Inside, a series of high-quality filter sponges capture decaying algae and debris while supporting beneficial bacteria that consume excess nutrients. Cleaning is quick and mess-free – simply pull the integrated handle to compress the sponges and release trapped dirt without opening the unit.

Being a pressurised filter, the FiltoClear 16000 can be installed away from the pond or buried discreetly in the ground, preserving the natural beauty of your landscape.

Key Features & Benefits

• Triple-action filtration: mechanical, biological, and UVC for maximum clarity
• Powerful 55 W UVC clarifier to combat algae and green water
• Easy-clean function – no need to open the filter housing
• Pressurised design allows flexible installation away from or below pond level
• Suitable for elevated watercourses and architectural water features
• Robust German engineering with OASE Clear Water Guarantee

Technical Specifications

• Max. Pond Size: 16,000 L (with fish and plants), 16,000 L (without fish), not suitable for koi
• UVC Power: 55 W
• Power Consumption: 55 W
• Cable Length: 5 m
• Dimensions (Ø x H): 380 x 750 mm
• Connections: Inlet 38/50 mm, Outlet 38/50 mm, Sludge Discharge 38/50 mm
• Rated Voltage: 220–240 V / 50–60 Hz
• Guarantee: 2 + 1 Years (upon request)

Installation Made Simple
Connect your pond pump to the inlet hose, link the outlet back to the pond or watercourse, and enjoy cleaner water within days. For best performance, use the largest diameter hose possible.

The OASE FiltoClear 16000 is the ideal choice for pond keepers seeking reliable, low-maintenance, and high-performance filtration with the reassurance of German engineering.

Aqua One Ocellaris 1400/3000 UV Lamp PL 9W – Replacement UV Bulb

The Aqua One Ocellaris 1400/3000 UV Lamp PL 9W (53052) is a genuine replacement UV lamp designed for Aqua One Ocellaris 1400 and 3000 aquarium models.

Easy to install and replace, this UV lamp plays a vital role in maintaining clear, healthy aquarium water by helping to control algae and harmful microorganisms. Using genuine Aqua One spare parts ensures optimal performance and longevity of your aquarium system.

Features & Benefits:

• Genuine Aqua One part – Guarantees perfect fit and reliable operation.
• Simple to change – Designed for hassle-free replacement.
• Maintains water clarity – Controls algae and bacteria for a healthier aquarium environment.

For the best performance and to protect your investment, we recommend using only genuine Aqua One replacement parts in your aquarium setup.

PondMAX PS600 Solar Pump – Efficient Solar Pump for Small to Medium Water Features

The PondMAX PS600 Solar Pump is ideal for small to medium-sized water features and ponds without fish. Designed for easy installation, this solar pump requires no tools and includes a built-in flow control for precise water flow adjustment. The pump also comes with a full range fountain kit, offering multiple decorative water effects.

Features & Benefits:

• Max Flow Rate: 630 litres per hour
• Max Head Height: 1.6 metres
• Cable Length: 5 metres
• Tool-free setup – Simple and quick installation
• Built-in flow control – Customise water flow to suit your feature
• Complete fountain kit included – Variety of fountain heads for visual appeal
• 3 Year Warranty – Reliable quality guarantee

The PondMAX PS600 Solar Pump provides an eco-friendly, easy-to-use solution for enhancing your garden water features with solar-powered efficiency.

The Pond One ClariTec 3000 Pressurised Filter is a compact and easy-to-install pond filtration system with a built-in 9W Ultra Violet Clarifier (UVC), designed to help keep pond water clear, clean and healthy.

With a 15.5 litre filter capacity, mechanical and biological filtration and integrated UVC technology, the ClariTec 3000 is an excellent choice for small ponds and water gardens up to 3000 litres, depending on fish stocking levels and the amount of sunlight your pond receives.

The pressurised design makes this filter particularly useful when you want to create a neat and discreet pond filtration system, as the unit can be partially buried to help it blend into the garden.

What Size Pond Is the ClariTec 3000 Suitable For?

The recommended pond capacity depends on fish stocking levels and sunlight exposure:

• Low fish stock & limited sun exposure: up to 3000L

• Average fish stock & average sun exposure: up to 1500L

• High fish stock or extended sun exposure: up to 750L

If your pond has a high fish load or receives a lot of direct sunlight, choosing a larger filtration system may be appropriate.

Built-In 9W UVC for Clearer Pond Water

The ClariTec 3000 features a 9W Ultra Violet Clarifier (UVC) designed to help control suspended algae and improve water clarity.

As pond water passes through the UVC chamber, exposure to ultraviolet light helps reduce the microscopic organisms responsible for green water, helping you maintain clearer-looking pond water.

The UVC ballast is positioned remotely and comes with a 10 metre cable, providing flexibility when installing the filter.

Mechanical & Biological Pond Filtration

The ClariTec 3000 combines mechanical and biological filtration to help maintain healthier pond water.

The filter media captures debris and particles from the water while providing surface area for beneficial bacteria. These bacteria form an important part of biological filtration by helping process waste within the pond.

The filter comes supplied with its filter media, so it's ready to install.

Compact Pressurised Pond Filter

The pressurised design allows the ClariTec 3000 to be installed neatly into your garden and can be buried for a more discreet appearance.

Because the filter is pressurised, it can also be used as part of a pond system where filtered water needs to be returned to the pond via a hose or water feature.

Its compact design makes it a practical choice for smaller ponds where space around the pond is limited.

Easy Pond Filter Maintenance

The ClariTec 3000 features a bypass function, allowing you to clean the filter without needing to dismantle the entire system.

This makes routine maintenance simpler and helps you keep your pond filtration system operating effectively.

Regular maintenance is important for maintaining good water flow and filtration performance.

Complete Pond Filter Kit

The ClariTec 3000 is supplied with filter media and hose connectors, making installation straightforward.

The filter accommodates hose fittings from 19mm to 37mm (3/4" to 1.5"), giving you flexibility when connecting it to your pond pump and existing pond plumbing.

Pond One ClariTec 3000 Specifications

• Filter capacity: 15.5L

• Maximum flow rate: 3000 L/hr

• UVC power: 9W

• Filter height: 35cm

• Filter diameter: 39cm

• UVC cable length: 10m

• Hose fittings: 19–37mm (3/4"–1.5")

• Filter type: Pressurised

• Filtration: Mechanical and biological

• Filter media: Included

• Hose connectors: Included

• UVC: Built-in

Choosing the Right Pump for Your Pond Filter

Your pond pump needs to be selected carefully to ensure the filtration system receives an appropriate flow rate.

When calculating the pump you need, remember that the actual flow at the filter will be affected by hose length, hose diameter and bends in the plumbing.

As a general guide:

• Every 1 metre of hose adds approximately 10cm of head height

• Reducing the hose diameter by one size can add approximately 1 metre of head height

• A 90° bend can add approximately 1 metre of head height

• A 45° bend can add approximately 50cm of head height

For this reason, don't choose a pond pump based solely on its maximum litres-per-hour rating. The pump's flow at the required head height is what matters when setting up your pond filtration system.

If you're unsure which pond pump and filter combination is right for your pond, contact our team at We Know Water Gardens for advice. We can help you choose the right filtration system and pump for your pond based on its size, fish load and setup.

The Pond One ClariTec 3000 is a practical choice for smaller ponds and water gardens, combining pressurised filtration with a 9W UVC to help maintain clearer, healthier-looking pond water.

Pond One ClariTec 3000 – a compact pressurised pond filter with 9W UVC, mechanical and biological filtration for ponds up to 3000L depending on conditions.