Kikusui (kee coo' swee) are a scale-less version of a Hariwake. Look for one with a
nice Kohaku pattern that has nice sharp edges and very white
Kikusui's pattern is judged the same way as a Kohaku's
Doitsu Platinum Koi with a Hi pattern, means "a Chrysanthemum in water",
is the same as a Doitsu
Hariwake with red
markings or a metallic Doitsu Kohaku
There are no breeder profiles available for Koi Breeders that produce Kikusuis at this time.
To clean a filter, all you need do is lightly rinse the media. You just want to remove any debris that is restricting the water flow. A good way to clean many types of media is to slosh it in a tub of pond water or rain water.