RÄNIKIVI LOODUSLIK VEEFILTER 150G
Natural Flint Water Filter 150 g
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Natural Flint Water Filter 150 g

€8.90

Natural flint is a mineral traditionally used for water purification and conditioning. It helps improve the taste and overall properties of drinking water by supporting its natural balance.

Availability:
352 in stock
SKU
100000001089
Ean
4626018162569
Natural Flint Water Filter 150 g is available to buy in increments of 1

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Natural flint is a mineral traditionally used for water purification and conditioning. It helps improve the taste and overall properties of drinking water by supporting its natural balance. Suitable for home use to enhance everyday water quality.

  • Natural mineral water filter
  • For water purification and conditioning
  • Suitable for household use
  • Net weight: 150 g

INCI

Silicon Dioxide (SiO₂).

Directions for Use

Rinse the flint stones thoroughly under running water before first use. Place 1–2 stones into a glass or ceramic container and pour drinking water over them. Leave for 24–48 hours. The water is then ready for drinking or cooking. It is recommended to rinse and dry the stones periodically.

Warnings

Do not use damaged or broken stones. Store in a clean, dry place. Not intended to replace certified water filtration systems for heavily contaminated water.

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Customer Questions
How does flint water filtering actually work and what changes can I expect in my water?
RÄNIKIVI LOODUSLIK VEEFILTER uses flint stone rich in silicon dioxide (SiO₂) that interacts with water through contact over many hours. This mineral conditioning process doesn't mechanically remove impurities like cartridge filters do. Instead, it influences the water's sensory qualities - making taste feel cleaner, softer, or fresher for some people. The effect is most noticeable in the mouthfeel and overall drinking experience, which is why flint-conditioned water is popular for tea, coffee, and cooking where water quality affects beverage characteristics.In traditional Eastern European practice, flint stones were placed in stored water containers to maintain freshness during storage periods. The mineral medium works best when water stands with the stones for extended periods, allowing gradual interaction. Results vary by individual taste perception and original water characteristics. This method requires patience and realistic expectations - it's primarily a conditioning approach rather than purification.
What type of container should I use with the flint water filter and are there material considerations?
Traditional practice recommends glass or ceramic water containers for flint conditioning, as these materials don't interact with or absorb the mineral properties of the flint. These container types allow the full sensory effect to develop without interference from plastic components or metallic containers that might alter the water's characteristics in unintended ways.If using plastic containers, food-grade materials are essential to avoid chemical leaching, though the product documentation specifically highlights glass and ceramic as preferred options. The container should be clean and suitable for water storage, with enough space to submerge the flint stones completely while allowing room for the water's surface area contact.Avoid containers that previously held chemicals or strong odors, as these could transfer to the conditioned water. The stones themselves should remain intact and free from cracks or damage, as compromised stones may not provide consistent conditioning effects.
Please, mind that only logged in users can submit questions

Delivery - terms and prices

After placing an order, delivery is processed on business days. Package design and product images may differ. Delivery time depends on the selected method - on average up to 5 days.

Estonia
  • Pick-up at Vitateka store (T1, Peterburi tee 2)Free
  • Parcel locker Itella Smartpost2.28 €
  • Parcel locker Omniva3.05 €
  • Parcel locker DPD2.34 €
Free to a parcel locker for orders from 30 €
Packeta (selected countries)
  • Poland - home delivery (courier)5.00 € / 21 PLN
  • Slovakia - pick-up point (PUDO)3.80 €
  • Slovakia - courier5.87 €
  • Czech Republic - pick-up point (PUDO)3.93 €
  • Czech Republic - courier6.10 €
  • Hungary - pick-up point (PUDO)4.13 €
  • Romania - pick-up point (PUDO)3.61 €
Latvia
  • Parcel locker Itella Smartpost3.96 €
  • Parcel locker Omniva4.90 €
  • Parcel locker DPD4.13 €
Free to a parcel locker for orders from 35 €
Lithuania
  • Parcel locker Itella Smartpost3.96 €
  • Parcel locker Omniva4.95 €
  • Parcel locker DPD5.11 €
Free for orders from 40 €
Finland
  • Posti pick-up point6.90 €
Free for orders from 75 €
Other EU countries

International Omniva post - from 7 € (price depends on parcel weight). For other options (DPD, FedEx), standard rates and transit times apply.

Free delivery - on request

In addition to the thresholds listed above, we can consider free delivery options depending on the order amount and for deliveries to other countries. Contact us and we will suggest the best option.

Delivery time

On average - up to 5 business days (depends on the selected delivery method).

Loyalty program - 5% cashback on purchases

Registered customers receive 5% cashback on purchases. Bonus points are credited automatically and can be used to pay for future orders.

Cashback and points rate
  • Cashback for registered customers5%
  • Earning rate1 EUR = 5 points
  • Point value1 point = 1 cent
Example: purchase of 100 EUR = +500 points ( 5 EUR )
Key conditions
  • Credit appliedafter invoice creation
  • Max payment with pointsup to 50% of the order
  • Validity period183 days
  • Reminder7 days before expiration
How the program works
  • For every 1 euro spent5 bonus points
  • 1 bonus point equals1 cent
  • Cashback rate5% of the purchase amount
  • Bonuses are availableonly to registered and logged-in users
Bonuses are available only to registered and logged-in users
Using bonus points
  • You can pay with pointsup to 50% of the order value
  • Points can be used to pay forproducts, taxes, and shipping
  • Minimum balance for use1 point
  • If an order is returnedspent points are refunded
Bonuses are credited even when using coupons or when part of the order is paid with points
Validity period and notifications
  • Bonus points are valid183 days from the date of credit
  • Email reminder7 days before expiration
  • When are bonuses credited?after invoice creation
  • Are bonuses credited when using coupons?Yes
  • Are bonuses credited if part of the order is paid with points?Yes
How to start earning cashback

1) Register on the website - create an account to participate in the program.

Step 2

Log into your account - bonuses are credited only to logged-in users.

Step 3

Make purchases - cashback is credited automatically after invoice creation.

What This Product Is

Tselitel RÄNIKIVI LOODUSLIK VEEFILTER 150G is a natural flint water filter for household use. People usually choose this type of mineral when they want a simple, traditional way to condition drinking water at home and make its taste feel cleaner, softer or fresher. It is not a mechanical cartridge filter, but a mineral medium placed directly into water for a period of time.

How It Works

The active substance is flint, a stone rich in silicon dioxide (SiO₂). In traditional home use, flint has been valued for its contact with water over many hours, during which it helps influence the water's sensory qualities. When water stands with the stones, its taste and mouthfeel may become more pleasant for some people — which is why flint water is often used not only for drinking, but also for tea, coffee and cooking.

This kind of mineral water conditioning has a long tradition in Eastern Europe, where flint stones were commonly placed in stored water to help keep it fresher in use.

When People Choose It

This product suits people who keep a glass or ceramic water container at home and prefer a low-tech method alongside regular household habits. Its format is simple: no electricity, no plastic housing, no complicated installation. Typical home uses include:

  • Preparing still water for the kitchen
  • Improving the taste of boiled drinks such as tea or coffee
  • Keeping a separate jug of water that has stood with the stones

Expectations should remain realistic: this product is mainly chosen for water conditioning and taste, not as a replacement for certified filtration where water quality is uncertain.

Important Notes

  • Use only intact stones and follow the soaking time in the product directions.
  • If your tap water is heavily contaminated or you rely on filtration for safety reasons, this product should be seen as an additional household option rather than the main purification method.