Koi in a Japanese mudpound get a lot of natural minerals, wich very often are missing in a concrete pond. These minerals provide better growth , good structure and a healthy immune system . Shinsuke Mineral Plus also ensures the colors of the Koi come up well. Shinsuke Mineral Plus is a mixture of natural minerals and trace elements, but it’s most unique by the extra micro minerals. The recipe is topsecret! Add Shinsuke Mineral Plus to your pond and dicover the difference! All the necessary, concentrated minerals for your pond!