
Mohan Ghandi
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Jul 31, 2006, 10:58 PM
Post #11 of 13
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Re: [koi-kaki] 4th pond visit - picture gallery- Andy's house
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Hi koi kaki , In answer to your query ,I wish to repeat verbatim what I narrated in our 6th koi show magazine . “Annual Cleaning, One day at a koi hobbyists lunch, I happened to be seated with Mr Richard Tan and Maso Kato-san. Yes, sandwiched between two great men in the koi fraternity. Richard impressed me with the idea that the koi pond should be given a thorough cleaning annually. We followed this golden advice. In order to implement this, you need another pond to house the kois during the 'spring cleaning'. Luckily, we have another small pond. Having placed the kois in the Mini Pond, we discharge the water and sun dry the filter materials for a couple of days. When we start all over again, we take some matured filter materials from the Mini Pond and place it into the Main Pond to kick start the filters. Oh Yeah! It works wonderfully. The problem with this is your water takes time to mature and in a big pond it takes a few months for the water parameters to regain the status quo.” I now gather that this is what is adopted in Japan the ‘Homeland of the Nishikigoi’. I quote from Peter Waddington’s 1st edition Koi Kichi . “The Japanese breeders adopt the above method every year out of sheer necessity. From early June to mid October, when all their stocks are growing in mud ponds, all their indoor ponds have been emptied and scrubbed clean, the media in their filters has been removed, washed and stored and the filter chambers thoroughly cleaned. Approximately one week before they start to harvest their mud ponds during mid October all indoor ponds are filled with spring water or well water, the filter media is placed back into the chambers and all systems are started up once more. All these ponds receive enormous volumes of stocks from mud ponds harvested regul­arly between mid October to early November. They are placed in these 'immature' systems and usually an appropriate anti-parasite medication is added immediately. On many occasions, I have seen these newly harvested Koi; to the first-time visitor it is a distressing sight as all the Koi are usually lying motion­less on the base of the ponds and many laying on their sides. This is basically because of the fluctuating water qualities as the filters start to mature. However, by constant expert monitoring of water conditions and correct addition of new water to dissolve the toxic waste products, within four to five days these systems are almost fully mature and the Koi are in perfect condition and looking for food. Feeding is carried out very sparingly over the next few weeks to allow all systems to mature fully after which the feeding rate can be increased to normal levels”. In my case, I do not dogmatically follow the rule. If I find the water to be good & the stocking rate not too high, I seldom do the spring cleaning. Previously I had 88 koi in my big pond but today I have less than 30 koi & that too shared by the big & small pond. One should act according to the situation – in other words play by the ear. HKK. Mohan Hkk Mohan.
(This post was edited by Mohan Ghandi on Jul 31, 2006, 11:00 PM)
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