WATER: Who, What, When, Where, Why, How
Without water, there can be no life. Since most people receive
their water from a secondary source, it's only right to take a look at
some of the unique problems of water safety.
is the difference between surface water and ground water?
Groundwater is water that's
hidden because it's buried somewhere in the earth's surface in places
between gravel, sand, and clay. However, some scientists believe that
it accounts for 95% of freshwater in the world, which makes it
extremely vital to life's survival. About 50% of the US gets their
drinking water from groundwater surface and 40% of the river flow in
the US depends on groundwater. Surface water is water that's on the
surface of the earth. Water in lakes, rivers, and the ocean is
considered surface water.
What is hard water and how do I measure it?
Hard water is water that's high in dissolved minerals,
particularly calcium or magnesium.There are kits you can buy to test
your water's "hardness" but your water provider should have that
information available because they should have done testing already.
Washing clothes in it makes them look dingy and feel scratchy. Bathing
in hard water leaves film on the skin and it can prevent any actual
washing. It also makes hair dull. Hard water causes spotting when it's
used in the dishwasher.
What to do if water is hard?
If your water is hard, you can buy a water softener. You can
also use rinse agents that remove mineral deposits in the shower or
dishwasher and lower the temperature of your water heater, which will
reduce the amount of minerals deposited in tanks and pipes.
Why does my water stink and what can be done to
Sometimes, people have water that has a bad, rotten egg smell
to it. This occurs because sulfur and sulfate in the water produce
sulfide gas. This is harmless but it does make the water smell. Some
people only have smelly water when they turn on hot water. The best
thing to do is disinfect the entire water system by chlorinating it.
However, this is not a long-term solution. A special oxidizing filter
can be installed to fix the problem.
What are water stains and how are they formed?
Water stains are formed when water drips repeatedly onto a
surface. As the water drips, minerals build up, causing a visible
stain. Oxidized stains are old stains that have turned yellow over time
and are usually caused by water-based spills or oil-based stills. Water
soluble stains are stains that can be removed with water-based cleaning
products. The term "colloidal" refers to any chemical mixture that has
one substance evenly dispersed throughout another substance. Gram
staining refers to a special method of differentiating bacteria into
two large groups based on their special properties.
How can filters improve drinking water?
Water filters can filter out all of the excess and unwanted
minerals found in water. It makes water taste better and drinking fewer
minerals reduces the risk of contracting certain illnesses. There are
several methods of filtering. Deionization results in highly purified
water that has all of its mineral ions removed. Distillation occurs
when water is heated to a boil to kill off bacteria and then condensing
the steam into a container, leaving solid contaminants behind. With
reverse osmosis, pressure is used to force a solution through water
membrane, allowing pure solvent to pass through. It's one of the best
ways to produce mineral-free water. Ion-exchanging, also known as
water-softening, occurs when a special treatment method is used to
remove dissolved magnesium, calcium, and other minerals.
When should I test my water and how are test
It's a good idea to test your water when you suspect
something is wrong with your water supply. If your water has a strange
smell or odor or someone in your house is experiencing gastrointestinal
diseases or you live near livestock or even if your water stains your
dishes, it's time to test your water. Test for the presence of bacteria
and other contaminants. Water is tested by collecting samples. Some
people choose to send their water to a laboratory or use simple kits
that can test the levels of certain contaminants on their own.