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Nachricht: <blockquote data-quote="Peter Waddington" data-source="post: 455420" data-attributes="member: 10536">I must apologise again folks because I find it difficult to reply to posts and questions/comments in a language I cannot read.I do understand that one of you considers my brush boxes to be ‘old-fashioned’, so please allow me to try and explain.Some years ago the Japanese Company FOK invented the filter brush specifically to catch/trap debris in fishponds. They had a ring hanger at each end and that means they were to be suspended ‘down’ into the water flow below.In the early days they were never used as intended and so were given a bad reputation as being very laborious to clean.For the very first time, my brush boxes use filter brushes as intended by locking them firmly in place and letting the water pressure from behind the brush boxes also clean the brushes. Please believe me, they are no longer ‘old-fashioned’ – quite the reverse.  I term my filter systems as ‘complex simplicity’ and there are very good reasons for this.Firstly my systems are unique when compared against all other filter systems, because they use a natural horizontal water-flow pattern exactly like that of a river.By making the outer boxes narrow in width and shallow in depth and with the aid of vertical aeration at various points along the river, I can make ALL the water in the box move forward as a ‘block’. This means before any new pond water ENTERS the box, the water already in the box needs to EXIT first.It also means that ALL the media surfaces within the box are getting a constant supply of dissolved ammonia.Regarding the media surfaces, these are the surfaces I use – See pic ‘0’.Many believe this takes place in other boxes but they are hopelessly wrong. When man-made pumps are used to make water flow uphill or downhill, the natural river-flow has ended and we must all learn to accept the consequences of our foolishness.Here are a few of the ‘consequences’ I’m referring to –See pics 1,4,5 & 6. Because in these situations incoming water ‘tracks’ directly from entry to exit. As a result 85% of the water inside the box has been there since the last time the box was filled and will remain there until the box is drained completely.More to the point, 85% of the surfaces within the box are getting NO water-flow. They are wet but they are also wasted - however they are perfect for allowing debris to settle on them and continue to build up on them. Eventually bacterial problems will appear on the Koi. ‘The Pond Lavatory’ is the very best name to give to a pond filter system but we always must remember –1. The Pond Lavatory is PERMANENTLY engaged.2. ALL lavatories need regular flushing.3. All Pond Lavatories are in a CONSTANT state of deterioration.Regards to you all, Waddy.PS. If there are further questions, please ask someone to translate for me.</blockquote>

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