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Koi Filters

Here you’ll find a large variety of pond filters designed specifically for koi fidh. Koi can be more demanding than other kinds of fish to keep, and this includes the kind of filters your pond will need to take care of them. Koi pond filters are specifically designed to deal with the increased waste that koi create, which might otherwise overwhelm a normal filter. We stock many different types of koi pond filters for the discerning fish keeper such as the Evolution Aqua range, Oase Proficlear and also the Oase Biotec Screenmatic, among others.

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Do Koi Ponds Need Filters?

Koi ponds require filters to maintain a healthy environment for the fish. Filters help remove waste, uneaten food, and other debris that can accumulate in the pond. This is crucial for preventing the buildup of harmful bacteria and ensuring the water remains clean and oxygenated. Without a filter, the water quality can deteriorate rather rapidly, leading to health issues for your koi.

How Does a Koi Pond Filter Work?

A koi pond filter operates through a multi-stage process to keep the water clean. Mechanical filtration initially removes solid particles like leaves and fish waste. This is often achieved using filter pads or sponges. Secondly, biological filtration involves the use of beneficial bacteria that break down ammonia and other unwanted substances into less harmful ones. Lastly, chemical filtration helps remove dissolved impurities and odours.

How do I Clean a Koi Pond Filter?

Regularly cleaning your koi pond filter is essential for maintaining water quality. Start by turning off the pump and unplugging the filter. Remove the filter media, such as pads or sponges, and rinse them thoroughly with pond water to preserve the beneficial bacteria. Avoid using tap water, as it contains chlorine that can harm the bacteria. For biological media, gently rinse it in a bucket of pond water. Replace any damaged or worn-out media and reassemble the filter. Finally, turn the pump back on and monitor the water quality to ensure everything is functioning as it should do.