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Everything need to know about reverse osmosis

Everything you need to know about Reverse Osmosis (RO)

Reverse Osmosis is a method of water filtration that is used to achieve the maximum amount of TDS removal without pure distillation.

In simple terms, an RO filter uses water pressure to force water through an extremely thin membrane, and uses water to continuously flush the membrane.

Image result for reverse osmosis diagram

Reverse osmosis filters usually have a drain ratio, which outlines how much water is used to flush the membrane. They range from 4 to 1 all the way to 1 to 1. The higher the ratio, the more water is used to filter water.

Is Reverse Osmosis Water safe to drink?

Yes, reverse osmosis water is completely safe to drink. RO water is nearly pure; it contains almost no contaminants whatsoever. Some of those “contaminants”, such as calcium and magnesium, are important for your diet. However, most people get all their minerals through diet and don’t need tap water to supplement it.

RO water also tends to have a slightly lower pH value than spring water or tap water, but this does not have any measurable impacts on the human body. Our bodies are capable of buffering a wide range of pH values in our liquid consumption. Coffee, Soda, Alcohols all have a variety of pH values.

Do Reverse Osmosis filters waste a lot of water?

All RO filters have a waste ratio, which tells you how much water is “wasted” to produce filtered water. The most expensive units have a low ratio, such as 1:1. A 1:1 ratio means for every 1 gallon of filtered water, 1 gallon of tap water was wasted to produce it. Some filters have a ratio as high as 4 to 1, which is quite wasteful.

It’s important to note however, most municipalities have water treatment centers that treat and re-use water that is “wasted” down the drain, so from an environmental standpoint, it’s not wasteful. However, it could become costly if you are paying a high rate for your tap water.

Does Reverse Osmosis guarantee safety?

In general, yes, reverse osmosis can be used to make even the most contaminated water safe. The caveat is that the filters needs to be functioning properly; after a lot of use the filters degrade and need to be replaced. If you haven’t replaced your filter in a while, it’s possible that contaminants might make their way into your water.

Why do people use Reverse Osmosis?

There are several uses for reverse osmosis:

  • To purify highly contaminated water
  • To remove fluoride from water
  • To control water quality for gardening purposes
  • Production of beverages

For everyday people with a reliable and safe source of tap water, reverse osmosis is excessive.

What is the best reverse osmosis filter?

In our opinion, the best reverse osmosis filtration system is the iSpring RCC7. It has removes all the contaminants from the source water then re-adds the healthy minerals, such as calcium and magnesium, and pH balances the water. It does the best job of simulating perfect spring water.

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