REFRESH "The Magic White Soil" is clay mineral from the Yasawagi district in Akita prefecture, Japan. Those who live in the district used to take this clay as a secret medicine for diarrhea, injury, toothache etc. They call the clay "marvelous soil" or "magic white soil." REFRESH is a wonderful gift from the earth, which can not be produced artificially.
When you put REFRESH into water, the water does not go bad for a long time.
Composed of Montmorillonite in it's core and 16 necessary minerals such as; silica acid, aluminum, calcium, magnesium, sodium, and ferrous.
These effective minerals keep water clean and help to supply nutrition dissolving slowly into the water through ion exchanges for excessive materials and bad materials for Koi. These natural workings are necessary elements to keep Koi healthy and improve their color.
Dosage: 200grams (one 180cc cup) per 10 tons of water. Double the dosage during the first two weeks of use.