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 clear 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 ensures clean and healthy water. We have extensive experience of filtration equipment gained from over 30 years of hands-on use.

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, reducing the level of maintenance required for the other filter sections.

For small to medium sized ponds, compact ‘canister’ units can be partly buried near the pond to reduce their visibility.

Drum filters (shown right) have reached the pond market in the last 20 years, developed from aquaculture and industry. They filter out fine particles through an automatically cleaned mesh. The strained water then passes through biological filter media - in this case a heavily aerated moving bed of semi-buoyant plastic media. They are especially 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.

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. The dirt is simply flushed away on a regular basis by turning a valve to drain the chamber, the beads being churned in a cascade of airbubbles to loosen the dirt. Even this process can be fully automated.

Such Bead filters are proven in use on koi ponds and in commercial establishments where large numbers of fish are held. We have installed such types of filter on koi ponds for our customers and have long experience in their use.

FILTRATION GLOSSARY:

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

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

Chemical Filtration - uses special media to absorb dangerous toxins, or remove excess nutrients from pondwater - 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. See further details on our Filtration Equipment page.

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