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Why is hard water considered bad? - Hard Computers & Internet

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It is called "hard" because of all of the impurities that are in it. Such things as sulphur, iron, zinc, other minerals and such. As such it is not "pure" and therefore "Hard". It leaves deposits in the sink and other items. While minerals are necessary for life it is not always best to acquire them from your water.

Posted on Feb 02, 2018


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Posted on Jan 02, 2017


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Where in south africa is hard water a problem

Most water in South Africa are considered hard. Water boiling pots and kettles are encrusted with calcium deposits on the inside, most of the underlying strata are rich in calcium deposits.
Even major water collection reservoirs filled with rain run off also collected calcium en route to storage facility.

Sep 04, 2016 | Miscellaneous

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I want to know best way to clean the humidifier and how often?

It all depends on a couple of factors.

First is the type of humidifier your using. Portable or whole house connected to the furnace. Steam, ultrasonic or filter. Your unit's instructions is the best guide as to how often you need to clean it and this can vary from every day to once a heating season.

My recommendation is to watch and clean the unit as soon as you see scale forming. Then in the future, reduce this to just before you see scale forming.

The second is the type of water you are using. Hard tap water is the worst and usually will require every day for small portable steam or ultrasonic units to once a week for filter models. For central whole house humidifiers, once a month (perhaps as little as every two weeks if your water is really hard, >10 grains hardness). There is no fixed formula for this, the idea is to perform on-going, preventive maintenance.

Soft or conditioned water will contain the same amount of minerals as hard, but the softener has replaced the calcium minerals with sodium minerals. (Sodium bicarbonate actually).The result is the humidifier will still form scale but it much easier to remove. With soft water scale, you can just break up the scale with your fingers and the filters can just be submerged in clean water and the salt scale will re-dissolve.

Third, with distilled water, you may only need to clean any of these units annually. (No minerals to for scale).

With any filter humidifier, consider using a commercial bactericide to prevent the growth of bacteria when the water sits for long periods (>14 days). Not so critical with soft water as the salt will retard the growth of bacteria, but very important with hard or distilled water. Don't use this product in ultrasonic or steam humidifiers as it will be carried into the air along with the water vapor, and can be considered as toxic.

With hard water, use a 50/50 solution of white vinegar and water to dissolve the scale buildup. This works best if done on a regular basis. If left go too long, it become impossible to clean properly. You need only use regular water when using soft or distilled water in your humidifier.

Dec 25, 2015 | Kenmore Cool-Mist Ultrasonic Humidifier...

2 Answers

Replacing oil pump

why do you think its bad. id bet not.
which engine?
how many miles on it.?
cost varies by location, (part and labor)
why not post symptoms.?
ever consider the oil lamp/dash indictors is fibbing? (classic fail)

dah line up.
2.0 L FE I4 (gasoline)
2.0 L FE DOHC I4 (gasoline)
2.0 L RF I4 (diesel)

low oil pressure 101.
  1. wrong oil, or running 0w in summer?
  2. water , Antifreezes, or gasoline , or ? in the oil, try 10w-30 oil. fresh.
  3. engine RPM too low, 400 is wrong, see it shake?
  4. clogged pump stainer.
  5. pressure reg. valve stuck wide open
  6. bad cam bearing
  7. bad crank or main bearings.
  8. bad pump. rare.
  9. or other odd things, like a cracked block, and related.

Jul 30, 2014 | 2002 Kia Sportage

1 Answer

Hi, How urgent is to change my HD while it already has 10 bad sectors ? HD name (as writen in the HD properties in the control panel) is: HITACHI HDS721025CLA382 ATA Device It's also described that it's...

This is not an urgent issue, it is normal for a hard drive to have bad sectors. When you consider there are billions of sectors on a typical hard drive, 10 is pretty insignificant.


Gene Gilbert

Jan 20, 2011 | Hitachi Computers & Internet

1 Answer

This drive is not formateted. bad sectar found

If you go ahead and format the hard drive, fromatting will lock out these bad sectors.
Bad sectors can indicate that the hard drive is wearing out especially if the number of bad sectors increase as you use the hard disk and if this is the case then back up your data regularly so you won't lose your data when this hard drives fail completely. I would consider retiring this hard drive ASAP.
Bad sectors are usually cause by the magnetic oxide layer on the platters wearing out or breaking down.

Nov 28, 2010 | Seagate Barracuda 7200.7 40 GB Hard Drive

1 Answer

How do you clean the machine do you just run water through it to clean the filter

white vinegar is recommended by the manufacturer, especially if you use tap water and it is considered hard water. Go on line and read the manual

Aug 29, 2010 | Keurig B60 Coffee Maker

1 Answer

We have hard water, is there a way to add something to our Jen air dishwasher to avoid the spotting?

Any Rinse-Aid product should work. We have domestic water at my house and it is a bit on the hard side. Will notice a difference when the Rinse-Aid is empty. You may check to see if it working on your unit. If it is extremely hard you may consider a water softening system.

Jul 14, 2010 | Jenn-Air Dishwashers

1 Answer

Running Restore Plus! with associated HP XPP SP2 CD, runs fine until "Software is being installed for you. The system may reboot automatically. DO NOT TURN OFF POWER TO YOUR COMPUTER DURING THIS PROCESS"...


what could make your system hang is your hard disk. If the hard disk has a bad sector, then it will make the system to hang.

Observe the hard disk closely to know if it will bring any crackling sound/noise. This noise or sound indicates that the hard disk is bad.

So while considering other factors, consider your hard disk.

Good luck.

Mar 26, 2010 | Computers & Internet

1 Answer

My water never stops running into Aprilaire 112

Disconnect the two yellow wires. The water should stop. If it does you have a bad (or miswired) humidistat. If the water does not stop the solenoid valve is bad. These valves are known to be expensive. You might want to consider replacing the whole unit.
Good luck
HVAC Teacher

Feb 19, 2009 | Aprilaire 1120 Humidifier

1 Answer

Bradford white hot water heater no longer heating water

Glenn, thank you for responding to my question on the bradford white hot water heater. It is an electric hot water heater, 7 years old. Our water is good in this area, not considered hard water. We do not have a water softener. Appreciate any advice you can give me.


Jun 29, 2008 | Heating & Cooling

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