Pump Reverse Osmosis

Pump Reverse Osmosis

Reverse Osmosis Filter?

I received a bought a new fish tank and was wondering what would happen if i were to attach a reverse osmosis filter directly to the tank?

The concept consists of me having a pump inside that tank that would push the water through the filter, while the waste would be deposited into a receptical the good water would go directly back into the tank...

Are there any health issues for the fish for living in R/O water only?

What if i want to grow live plants, will they get all the nutrients they need from the water?

Thanks!

Neither fish nor plants would do well in pure RO water. They need some mineral content in the water. The usual practice for soft-water-loving animals or plants is to use mostly RO water mixed with a little tap water, or all RO water with a "remineralization" supplement added. (If you're using the RO water to make artificial sea water, the marine salt mix will contain mineral supplements).

Another problem is that RO units for home use are designed for an output (typically) of anywhere from 25 to 200 or so gallons per day. A typical aquarium filter for a home-sized tank should pump something between 100 and 1000 gallons per hour (depending on the size of the tank it's designed for). So the RO filter by itself wouldn't be giving you enough throughput.

Also, since RO filters generally create more "waste" water than "pure" water, your tank would soon be almost empty if only the "pure" water went back in the tank. You would have to make up the lost water from somewhere.

So, while an RO filter is a great thing to have (I wish I had one right now), it's not practical as the main filtration for your tank. It's better to use it for partial water changes, removing maybe 30% to 50% of your water each time, and replacing it with water you've collected from the RO unit.

Can You Believe These Disadvantages of Reverse Osmosis?

As you probably know, reverse osmosis is the method most commonly used to treat household drinking water. What this means is the elements in water that exist naturally, such as anything that causes an unpleasant odor or taste are reduced. It is also used to treat water that may have contaminants that would make it unsuitable for drinking.

How the process works

Reverse osmosis is also called ultra filtration because it moves water through a membrane. The membrane has very small openings that cannot be seen without the aid of a microscope. The water passes through these openings and large items cannot. Sometimes these systems use an electric shock that helps to keep chemicals from coming through.

This is called rejecting the contaminant. When the rejection rates are not set high enough, they may allow some elements to pass through that are not desirable. The rates need to be high enough to reduce toxins or undesired elements to a safe level. There is not always only one contaminant. Sometimes there may be several. All rates have to be reduced.

Does reverse osmosis make water safe to drink?

Reverse osmosis is used because it has been proven to work on both a commercial level and a residential one. One such method can remove salt from seawater. The household variety of reverse osmosis systems put out anywhere from 2 to 10 gallons of treated water a day. If the correct installation is used, these systems can remove many undesirable elements from drinking water, thus reducing the need to buy water, especially for drinking.

Do not buy a unit to treat your water until after it is tested and you are aware of what type of treatment you need. Different systems treat water for different contaminants and you need to find the right one for your water needs.

What Are the Disadvantages of This System?

When you use reverse osmosis for treating your water, it will only treat anywhere from 5% to 15% of the waster it takes in to the system. The remaining water is expelled as wastewater. When it comes to reverse osmosis for home use, they do an excellent job. However, business units require a completely different approach.

The household model rejects the water that contains waste. When this is discarded, it usually goes out through the household drains. It can put a strain on a septic tank because they normally put out 40 to 90 gallons of wastewater a day. This system wastes a lot more water than it puts back.

If you use well water, it can cause the pump to run constantly, thereby running your power bill up to astronomical rates. This also will cause a very high water bill if you do not have a well and depend on city or town supplied water.

Reverse osmosis can be beneficial to remove contaminants from your water and make it safer to drink. However, this process also has drawbacks. Investigative work should be done on the type of system you need before purchasing one.

About the Author

Do you want to read more about health through reverse osmosis or home reverse osmosis systems? Visit http://www.puraviv.com/ to discover which water purification system is the best for your needs.

Pump Reverse Osmosis

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