Rock Deep Water

イワシミズ
Vendor
株式会社岩深水
Rare underground deep water polished to the limit with granite. The flavor is filled unheated as it is. Please enjoy the mellow and high-quality taste brought by the ultra-soft water with a hardness of 12.

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T3010001088568

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About the brand

Rare underground deep water polished to the limit with granite. The flavor is filled unheated as it is. Please enjoy the mellow and high-quality taste brought by the ultra-soft water with a hardness of 12.
1
Rare natural water that boils only from a hole of only 3 cm in the granite 500 meters underground of the mine.
2
It is thoroughly filled without heating and at room temperature to maintain the original mellowness and coolness to the maximum.
3
The ultra-soft water with a hardness of 12 enhances the flavor of a variety of dishes, from delicate Japanese to Western dishes.
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Why are we doing?
What are we doing?
Commitment to the product
Who are supporting us?

Why are we doing?

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Deep in the tranquility of the mines of Mt. Iwama, Shiga Prefecture, a rare spring water called "Iwafuka Water" was accidentally discovered in a mine shaft where granite is mined.
Over a long period of decades to hundreds of years, deep underground water flowing deep underground flows through the rocks and appears on the surface, this natural water is truly a gift from nature. It was named "Iwafukasui" because it gushed out from a hole drilled to set up blasting during granite mining.
 
We wanted to bring this miraculous discovery to as many people as possible, without ending it as a mere coincidence. Iwashi water is an extremely pure natural water that has been naturally purified and impurities removed by passing through a special rock called granite. The "ultra-soft water" with a hardness of 12 suits the constitution of Japan people and harmonizes with Japanese food culture, which has a delicate taste.
In modern society, the importance of water is being reassessed. Moisture, which accounts for about 60% of the body, is an essential element for maintaining health, and proper hydration is said to support the body's circulation.
We hope to contribute to a healthy and prosperous life for everyone by delivering this blessing of nature in the best condition.
 

What are we doing?

The most distinctive feature of rock deep water lies in its purity and softness. The ultra-soft water with a hardness of 12 has an exquisite mineral balance, combining a mellow mouthfeel with a refreshing feel. This property is due to the natural purifying properties of granite, a special rock. Granite is a plutonic rock formed by magma slowly cooling underground, and minerals such as "feldspar" are large and granular, and when water is passed through, it has the effect of removing impurities.
We have a thorough quality control system in place to protect the quality of this precious natural water. The basic principle is to put "clean water" in a "clean bottle" in a "clean place" and deliver it immediately. Therefore, we have set up a factory right next to the water collection site to ensure maximum freshness and quality of the water.
 
In the production of deep rock water, we are particular about "non-heating, room temperature filling" with as little modification as possible. This delivers a delicate and mellow drinking taste that is the same as the deliciousness of raw water. In addition, we pay the utmost attention to safety and regularly conduct water quality tests for raw water as stipulated by the Ministry of Health, Labour and Welfare.
In addition, in order to ensure that customers can drink with peace of mind, we have requested an external organization to conduct voluntary radioactive material testing and testing for organofluorine compounds (PFAS). We also strive to protect the natural environment around the factory and strictly adhere to strict drainage standards that are also applicable to Lake Biwa.
 
 

Commitment to the product

[Iwafuka water 2L plastic bottle]
The 2L size, which is ideal for everyday use, is useful not only as drinking water at home but also for cooking. Taking advantage of the characteristics of ultra-soft water, when you cook rice, each grain becomes plump and chewy. Just soak the rice in deep water for about 30 minutes before washing it, and use it when cooking, and your usual rice will turn into a special meal. In addition, by using deep water when brewing tea, the refreshing aroma and umami of green tea, the gorgeous aroma and richness of black tea, and the aroma and depth of hojicha are more prominent.
 
 
[Iwafuka water 500ml plastic bottle]
The portable 500ml size is the ideal companion for enjoying the bounty of rock-deep water on the go. They are lightweight and portable, making them ideal for hydration in the office or during exercise. For those who want to stay healthy and beautiful forever, this size is recommended for frequent hydration. By frequently rehydrating in deep rock water, we support daily moisturizing habits.
 
 
【Rock deep water carbonated water】
Carbonated water, which takes advantage of the purity of deep rock water, is characterized by its stimulating throat and refreshing sensation. It is delicious even at room temperature, so it is perfect for when you want to refresh your body without cooling it. It can also be used as a splitting ingredient for alcohol or juice, ensuring that it does not interfere with the taste of the ingredients and enhances the original flavor of the drink. It is also a versatile dish that can be enjoyed as a mouthwash during meals or as a dessert after a meal.
 
 
 

Who are supporting us?

Iwafukasui is supported by people of all ages who are conscious of their health and beauty. In particular, it is loved by women in their 40s and older and those who are particular about the taste of their food.
It has also been evaluated by medical professionals as suitable for daily hydration. In addition, bakers choose Iwafukasuzu to soften gluten formation and make bread with a moist texture because they want to deliver safe and delicious bread.
It is also used in high-end restaurants and cafes all over the country, and is especially useful in Japan restaurants as a soft water that brings out the original "umami" of the ingredients. In addition, coffee specialty stores have praised the water for bringing out the original delicate flavor of the beans.
Customers who subscribe to the restaurant have commented that "changing the water they drink every day also changes their physical condition" and "the taste of the food has improved significantly", making it an indispensable part of their daily lives.
 
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Rock Deep Water
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