After using my kettle for quite a time, sediment build up at the bottom of the kettle. What caused it? Does it have a hurmful effect to our body? What can I do to remove it?

It's just calcified minerals, not harmful to your kettle, but they get into the works of your plumbing and appliances and clog them up like hardened arteries.
There are 'de-scalers' or 'de-mineralizer' products that sort of work, or you can get a water softener. They range in price from about 450 to 1300 + installation, but save years of wear and tear on your appliances. (I went for the 1300 non-electric, no salt, no maintenance one. Yes, expensive, but worth every penny/)

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Originally Posted by joypulv

It's just calcified minerals, not harmful to your kettle, but they get into the works of your plumbing and appliances and clog them up like hardened arteries.
There are 'de-scalers' or 'de-mineralizer' products that sort of work, or you can get a water softener. They range in price from about 450 to 1300 + installation, but save years of wear and tear on your appliances. (I went for the 1300 non-electric, no salt, no maintenance one. Yes, expensive, but worth every penny/)

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To remove the sediment( it's just precipitated Calcium Carbonate), get a handful of pea gravel, heat the water and swirl the gravel around. It will knock all the sediment off. Only way to eliminate is to get a water softener but then you introduce Sodium Chloride into the water.

'Only way to eliminate is to get a water softener but then you introduce Sodium Chloride into the water.'

Check out Pelican. No sodium, no ion exchange, nothing. I've had mine about 2 months. The minerals crystallize instead, so they don't harden onto any surface, and wipe off, a soft white stuff. It also descales all existing plumbing and fixtures. No bags of salt! No electricity!

Quote:

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Originally Posted by joypulv

'Only way to eliminate is to get a water softener but then you introduce Sodium Chloride into the water.'

Check out Pelican. No sodium, no ion exchange, nothing. I've had mine about 2 months. The minerals crystallize instead, so they don't harden onto any surface, and wipe off, a soft white stuff. It also descales all existing plumbing and fixtures. No bags of salt! No electricity!

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Great idea!