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ePaper created 2013-03-25, 09:57:45 | version 1.25.4
The best water quality Garden ponds have a limited volume in which waste products can quickly accumulate and pollute the wa- ter. An accumulation of small amounts of organic ma- terial such as leaves and grass is thus normal. Uneaten food and fish waste also contribute to water pollution. Adding too much food must therefore be avoided. Also, you should not feed food of poor quality that is poorly digested, as this would lead to increased amounts of undigested food components and, corre- spondingly, to increased and unnecessary water pollu- tion. Poor water quality can extremely affect the growth and the health of your Koi. The modern, powerful pond filters sera KOI Profes- sional 12000 and KOI Professional 24000 provide compact filter systems that effectively remove impuri- ties and pollutants from the pond water and enrich it with oxygen. A mechanical purification step – which in the new version, in addition to the split sieve, also pro- vides fine mesh filter sponges with an overflow pipe that particularly effectively removes floating algae (re- 10 The high-quality sera KOI Professional food range and the innovative sera KOI Professional Pond Filters ensure naturally clean and crystal clear pond water. sponsible for “green water”), bacterial and mineral cloudiness – is followed by a bio chamber. Filter bacte- ria settling on the unique filter material sera siporax pond become active here. They break down danger- ous pollutants that may enrich in the pond water. This includes the main final product of protein metabolism: toxic ammonia, but also its – also very toxic – break- down product nitrite, which is then further converted into the mostly harmless nitrate. The latter one serves as a plant nutrient. The pond filters can optionally be equipped with UV-C filter units (for reducing the pollution by pathogens and single celled algae) as well as with energy saving sera pond pumps PP. You will find detailed information in the sera guide “My pond” and on the Internet on www.sera.de.