Pressurised Pond Filters: Setup Tips for Clear & Healthy Water

Pressurised pond filters are a popular choice for garden ponds thanks to their compact design, easy maintenance and ability to deliver clear, healthy water. However, correct setup after purchase is essential to ensure your pressurised pond filter performs at its best. Follow these practical setup tips to keep your pond water clean and your fish thriving.

Knowing the Difference – When You Need Spares or Parts for Maintenance

Some Parts, including ballasts and motors, are not interchangeable between AllPondSolutions pressurised filters. There are three designs: manual Easy Clean (PFC), Automatic Cleaning (AUTO-PFC), and Pro filters (available in three sizes). 

To ensure you order the correct spares, check the model code on the back of the ballast (silver sticker). The Easy Clean requires manual sponge rinsing, the AUTO-PFC has motorised self-cleaning, and the Pro adds a UV timer on top of the automatic cleaning, for scheduled operation, offering maximum control and effortless, low-maintenance filtration for larger or heavily stocked ponds. Each of these has different variations of parts so it is key to know your unit. 

Some parts for these units however  are suitable across the models - such as the  filter foams 

Choose the Right Location

When installing a pressurised pond filter, place it on firm, level ground approximately two metres from the pond or pump. The filter can also be partially buried to blend discreetly into your garden pond layout. Proper positioning helps maintain consistent water flow, reduces strain on the pond pump, and protects the filter’s internal components, ensuring efficient filtration. Pressurised filters are ideal for tidy, unobtrusive installation, keeping your pond neat while delivering clear, healthy water.

Possible issues: If the pump is too close to the filter, it may exceed the filter’s maximum throughflow, leading to leaks or long-term damage to internal components due to excessive pressure.

Connect the Pond Pump Correctly

Always pair your pressurised pond filter with a pump that matches or is below the recommended flow rate listed on the AllPondSolutions listing product Specifications. Using a pump that is too powerful can damage both the filter and the pump, while one that is too weak may not circulate enough water. Ensure all hose and pipe connections are secure to prevent leaks and pressure loss.

Common error: make sure the filter is correctly attached to the filter inlet—we’ve all made that mistake at least once! Proper connection ensures efficient water flow, keeps your pond clear and healthy, and guarantees the system works smoothly when it comes to cleaning.

Inspect the unit before use

Before installing your pressurised pond filter, carefully examine the quartz sleeve and UV bulb to ensure they haven’t been damaged during transport (see the maintenance section in your product manual for instructions on accessing these). Handle with care and avoid touching the UV bulb with bare hands, as oils can affect its performance.

If you notice any damage, do not use the unit. Instead, contact our Customer Service team, and they will help resolve the issue quickly to ensure your filter is safe and fully operational.

Troubleshooting: Common Queries and Solutions

Q: This has been running on my pond for a week and it’s cloudy.
A: Allow time for beneficial bacteria to establish. Clear, healthy pond water depends on these bacteria growing within the filter media. Avoid over-cleaning during the first few weeks. Using a pond bacteria treatment or filter start treatment can help speed up biological filtration and improve water clarity.

Q: My UV is not working and my pond is green.
A: Perform the override on your ballast (see your unit’s manual). If you cannot locate this, our team will be happy to help. Each filter range is slightly different, but if the UV lights up during testing, it is functioning correctly. Depending on the season, additional care may be needed—ensure the UV runs while manually cleaning the pond and check treatments, as some require the UV to be temporarily switched off.

Q: When do I need to perform maintenance on my unit, and do I need to replace any parts?
A: Perform a general clean every two weeks using your manual or auto-clean process and carry out deep cleans 2–3 times per year. Cleaning frequency may vary depending on pond volume and fish stock levels. In addition to filter cleaning, regular maintenance checks are required for perishable spare parts to ensure optimal performance and longevity. As these components are perishable, they will also need to be replaced periodically to keep your filter running efficiently and your pond water clear and healthy.

Spare Parts & Inspection Timeline:

• Monthly: Inspect pipework and O-rings for wear or leaks.
• Every 3 months: Clean and lubricate O-rings.
• Every 6 months: Clean and inspect the quartz sleeve.
• Annually: Replace O-rings and the UV bulb to maintain optimal performance.

The spares for the pressurised units can be found here!