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Refresh Powder


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Refresh Powder is a 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 Powder is a wonderful gift from the earth, which can not be produced artificially.


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.


Refresh Powder  is a natural clay mineral, found in limited areas in Yasawagi district, in Akita prefecture, Japan.

Local villagers who live in this district used this clay personally as a herbal medicine to heal wounds, fight off diarrhoea, toothache and etc.

The clay became known as marvellous soil or magic white soil.

The efficacy of this white soil is really quite remarkable.

Refresh Powder is a wonderful gift from Mother Nature, coming directly from the soil and virtually impossible to reproduce artificially.


It has been proven over the ages, that by dissolving Refresh Powder into the water, the same high quality of life can be reproduced, remaining consistent for a very long time for the benefit of many creatures which inhabit the waters.


Exactly, what is Refresh Powder

Refresh Powder is a mineral composed of Montmorillonite in it’s core and sixteen other necessary minerals such as silicic acid, aluminium, calcium, magnesium, sodium, and iron etc surrounding the core.


Collectively, these effective minerals keep the water clean and further help to supply good nutrition, dissolving slowly into the water through an ion exchange system and in the same process lowering the levels of less welcome compounds also dissolving into the water, such as decaying organic materials thus minimising the spread of bacterial diseases.


Refresh Powder is pure natural Montmorillonite and this white clay belongs to a useful group of minerals.


If it is mixed with other natural or artificial products certain qualities of the mineral are lost as the balance has now been disturbed.


When Koi are bred or raised in waters containing this natural product, the clarity of colours and quality of skin is unsurpassed.


When Koi are deprived of this source in lakes lacking in Montmorillonite or man made concrete ponds, colours quickly deteriorate.


Some studies of lakes containing natural clay bottoms clearly reveal that colour and skin quality is more stabilised and defined in such circumstances.


This clearly adds weight to the fact that the best ponds usually arise from those with clay bottoms.


However, when that clay is of the Montmorillonite source then the visible results from the fish are outstanding.


Other clay and stone minerals cannot reproduce the same qualities to that of  Refresh Powder natural clay no matter what you are told.


Refresh Powder actually improves water quality and restricts the increase of decaying organic material raising levels of bacterial diseases, thus maintaining our Koi in a much more healthy environment.


So there are valuable options open to us when we keep Koi in concrete or liner ponds.


By regular use of  Refresh Powder clay  in our ponds, we can simulate the same qualities of water found in natural lakes.


Essential growth and health is maintained with the presence of natural minerals always being plentiful.


The fear of overdosing Refresh Powder in a Koi pond is impossible and regular doses on a weekly basis is highly recommended to achieve maximum efficiency.


Refresh Powder is used for improving the white skin and strong colours particularly red and black (sumi).


Refresh is also a fantastic way in improving the water quality if used on a regular basis.


Water treated with Refresh actually adds a sparkle and improved clarity to the water.


Full of minerals and essential vitamins for growth and healthy Koi.


Dosage: 100grams per 1000gallons weekly you may want to double the dose during the first two weeks

Additional information


1.75kg, 5kg


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