Conclusions

Each pond is unique. Some ponds have more sunlight (read more algae) some ponds have greater dust and pollution settling on the pond. Some larger ponds may very well be clear and run for some time without flushing with a single filter. Calculations can be made regarding costs for different circumstances. For example – two

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Flow Rates

High rate sand filters are designed for use with chemically treated water. This point is important to remember. In a swimming pool, after chemicals have been used, the algae and micro-organisms in the water die. This results in their cell structure collapsing. The collapsed cells takes up less space. Further, the dead cells do not

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Koi Pond Sand Filter – Introduction

Originally published in 1997. Enjoy… A few years ago it was unheard of to use a swimming pool or industrial high rate sand filter on a Koi pond. The reasons invariably given were – they clog up too quickly or they don’t work, they are bad for koi ponds. The fact is that high rate

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