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Water Care and Treatments:


A unique high purity Montmorillonite clay - Research proven!

Re-mineralises water, improves water clarity, Koi colour & lustre, aids health, stimulates appetite.

A Koi pond needs to has many elements, nothing is more important than the water itself. Water is known as the universal solvent. Bacteria, oxygen, minerals all have a major part to play in the health and physiology of aquatic pond dwellers such as beautiful Koi or even fish breed purely for the dinner table.

Water quality is vital for survival for all fish low pollutants of course are a basic requirement. Public water supplies being a very sterile source of water for human consumption, lack the spectrum of minerals that fish can absorb in a natural lake environment.

Regular mineral replenishment in an enclosed pond system can improve the health, colour & growth. Just look to the Japanese mud ponds where superb Koi are bred. This is near a natural environment for Koi. Mud ponds are the ideal, now we can mimic this environment to a significant degree by adding mineral elements found in nature. Montmorillonite clay can contain up to 64 minerals & trace elements. Clay is not a miracle or a panacea, Purity composition & structure is the critical element with clay to achieve results and most clay can purport to be a "type" of Montmorillonite. 99.9% of most clays in the world are unsuitable to use in a Koi pond environment.

Some are incapable of ion exchange some are so absorbent it is used in products like cat litter, plugging oil wells etc. Others are so inert that the white powder is will make laminates whiter, talcum powder, lipstick etc. clay has many industrial applications. Composition is important, Phosphate (present in most clays) can fuel blanket weed growth, too much Calcium can swing pH for example. Selection of a clay to perform any function is a science in itself. In a pond for example, a very high crystalline Montmorillonite structure is required to release minerals through ion exchange into the pond water.

Kusuri Klay is now widely used throughout the UK, Europe, USA and the far east, is a beneficial weekly pond additive. A fine white powdered product that when added to any pond environment will release minerals through ion exchange. Using Kusuri Klay weekly in your pond will reap its own rewards as you will see better water clarity usually about 24 hours later, and better colour & lustre on your Koi after a few weeks. Kusuri Klay also is a positive benefit to health as fish adsorb minerals in large quantities from the water which helps bone & cellular growth.

Since Kusuri Klay was introduced the use of Montmorillonite clay in ponds has become very popular with pond keepers. This has of course spawned many products now available. There are hundreds of clays that fall into the "Montmorillonite" classification, many now being sold on to pond keepers, some will cloud pond water for several days, some are inert, some contain only 10 to 20% crystalline Montmorillonite. For these products to be effective dose rates could exceed over 500 grams per 1000 gallons to produce any significant benefit. Montmorillonite is not all the same!

Kusuri Klay is over 80% crystalline Montmorillonite with a purity level of over 98.8%. It is the market leader because it produces results!

SKU Description


KLAY-KK-003 3 Kg Kusuri Klay £25.46 + Vat Order



How to use Kusuri Klay in ponds

Use I level cup (25 grams) as supplied fixed to the inside lid of the container, to every 500 gallons of pond water. Place measured amount into a bucket of pond water and mix into a milky emulsion. Add slowly all around pond. Ensure any powder left in the bottom of the bucket is added. Pond will go milky colour which will clear on average in 6-24 hours. Use weekly all year round.
Kusuri Klay can be used twice weekly or even a small amount every day, it is a pure mineral
product 100% free of any chemicals.
Health and Safety there are no implications for human health however, this is a fine powder product and could irritate dry or sensitive skin wear gloves if required. Do not inhale.


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Be Sure to see the New Non Chemical Treatments - Parazoryne and Sabbactisun - these products are totally New and truly amazing products:


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