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    Compact Filters
Filter with auto-cleaning screen and UV unit_1752-102 ( aquapic)

POND FILTERS

The ideal pool is clear and lucid, with crisp reflections and transparent depth.

With careful siting, design and planting, many pools can achieve this appearance for much of the year with only routine maintenance.

In more challenging situations, especially where there are greater stocks of fish, an appropriate filter system can ensure clean and healthy water. We have extensive experience of filtration equipment gained from over 30 years of hands-on use.

Twin chamber filter with multiple media ( aquapic)

The two filter models shown above and left are examples of units that can cope with medium to large ponds.

They have been hidden by siting them some distance from the pool. Easily-cleaned pre-filter sections capture larger solids and reduce the level of maintenance required for the other filter sections.

For small to medium sized ponds, even more compact ‘canister’ units can be partly buried to help hide them.

The smallest ponds, with perhaps just a few goldfish, can be filtered using unobtrusive submersed filters, hidden in the pond depths.

Submersible Filter for small ponds
BubbleBead Filters on a fishhouse recirculation system ( aquapic)

Drum filters (shown right) are a relatively recent addition to the pond market, developed from aquaculture and industry. They filter out fine particles through an automatically cleaned mesh, before the water passes through biological filter media - in this case a heavily aerated moving bed of semi-buoyant plastic media. They are popular on koi ponds.

For very large watergarden ponds different approaches are used to deal with the fine suspended sediments, floating debris and high nutrient levels - Usually a combination of techniques including plant filter beds, (a form of natural filtration).

Filtration solutions are as diverse as the ponds that we deal with. We will always investigate each site individually before recommending the most appropriate options. We are not tied to any one brand, and choose from the best available.

Goldfish ( aquapic)

For large ponds with higher stocks of fish an efficient means of waste removal is essential.

BubbleBead Filters (shown left), capture dirt in a floating bed of tiny plastic beads, and the dirt is simply flushed away on a regular basis by turning a valve to start cleaning. Even this process can be automated if required.

Such Bead filters are proven in use on koi ponds and in commercial establishments where large numbers of fish are held. We supplied technical support for these systems since they were introduced to the UK market in 2001, and we maintain units on customers’ koi ponds.

Drum-filter with moving bed media_7277  ( aquapic)

FILTRATION GLOSSARY:

Mechanical Filtration - involves the settlement or capture of solids present in the water. Important to keep the water clear, especially where fish are stirring up sediments

Biological Filtration - uses the natural purifying organisms found in ponds, concentrating and enhancing their effects to break down wastes.

Chemical Filtration - uses special media to absorb dangerous toxins or remove excess nutrients that cause unwanted algae growth

UV Units - expose pondwater to ultra-violet light in a carefully controlled manner. This damages the cells of green “pea-soup” algae and helps to clear the water without resorting to chemical treatments. More details on our Filtration Equipment page.

Find out more about Natural Filtration for large pools

Contact Us to discuss your requirements

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