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FREQUANTLY ASKED QUESTIONS

What is BROOK Home Reverse Osmosis System ?

BROOK RO Systems is a Home Drinking Water System that uses the principle of reverse osmosis to remove 95-99% of all the mineral and chemical contaminants from tap water .BROOK products gives you the better quality of water than the bottled water with the convenience of a faucet mounted on your kitchen sink.

What is the actual process of the BROOK R.O. System ?

The tap water first flows through a 5 micron particle FILTER [1] to remove dirt, rust and other sediment. The water then flows into a carbon block cartridge FILTER [2] which takes out 98% of the chlorine and organic chemicals. The next stage of the process is FILTER [3] block carbon filter to filter multi-chemical compounds and suspension. [4] The reverse osmosis membrane (TFC) which will separate 95-99% of the dissolved contaminants from the water molecules. The contaminants are then washed down the drain. The next stage of the BROOK RO SYSTEMS process is the small CARBON FILTER [5] removes the remaining traces of chemicals, tastes and odours. The R.O. water is stored in a 3.2 gallons TANK [6]. Inside the tank is a balloon-like rubber diaphragm, pre-charged with 8-10 psi of air. As the tank fills, the air pressure increases and pushes the water out when the faucet is opened. The final element of the BROOK Series system is a POLISHED CHROME FAUCET [7]. It is installed on the kitchen counter or the sink.

Does R.O. remove Bacteria? Cryptosporidium?

YES! An R.O. membrane has a pore size much smaller than bacteria virus, pyrogen or the cryptosporidium parasite. While functioning it will remove all microorganisms from tap water and produce sterile water.

What factors affect the quantity and the quality of the water produced ?

There are four major variables to consider:
1. PRESSURE. The greater the water pressure, the better the quantity and quality of the water produced. Water pressure of 60 psi ideal.BROOK include one booster pump can make sure the water pressure.
2.TEMPERATURE. 76*F is the ideal water temperature for R.O. 40*F water will cause the production of R.O. water to fall to half of that at 76*F. The maximum water temperature recommended is 85*F.
3.TOTAL DISSOLVED SOLIDS (TDS). The higher the amount of dissolved contaminants in the water, the lower the quantity of water produced. A high level of TOTAL DISSOLVED SOLIDS can be overcome with additional water pressure.
4. MEMBRANE. Different membranes have different characteristics. Some produce more water than others; some have better contaminant rejection capabilities; some have greater resistance to chemical abrasion for longer life. BROOK system comes with TW30-1812-80 The Thin Film Composite(TFC) membranes combine the best of these characteristics and are considered the finest membrane in the world.

How much water does the BROOK system produce ?

Under ideal conditions, the TW30-1812-80 TFC membrane is rated at 80gallons of production per day (80gpd at 80~100psi). Under the average conditions, the consumer can expect 70-95 gallons of product water per day. But that's still a lot of water for the average household's drinking and cooking requirements.

What is the guarantee on the BROOK System ?

The BROOK System (excluding filters) is guaranteed for 2 years for material and workmanship. All defective parts will be replaced free within the two year.

What is the maintenance schedule for the BROOK System ?

The three pre-filter cartridges should be changed every 6 months. The first is a 5 micron sediment cartridge. The second is a Carbon Cartridge. The third is 5mic carbon block filter. Failure to change the cartridge every 6 months may allow chlorine to destroy the membrane. It is very easy to change the pre-filters. Just order the needed filters from us and all system come with manual so you can maintain your system yourself and feel confident about your drinking water.

What contaminants does Reverse Osmosis Remove ?

The BROOK System contains a quality carbon filter which will remove more than 98% of organic chemicals from the water. These include THMs(chloroform), DBCP, lindane, TCEs(trichloroethylene), PCEs(tetrachloroethylene), carbon tetrachloride chlorine, In addition to these organic chemicals, below is a partial list of other contaminants removed by the Re1812-70 TFC membrane. The percentage of removal shown below is a conservative estimate.

Material/Element

% Removed

Material/Element

% Removed

Barium 97% Potassium 92%
Bicarbonate 94% Radium 97%
Cadmium 97% Selenium 97%
Calcium 97% Silicate 96%
Chromate 92% Silver 85%
Copper 97% Sodium 92%
Detergents 97% Strontium 97%
Fluoride 90% Sulfate 97%
Lead 97% PCBs 97%
Magnesium 97% Insecticides 97%
Nickel 97% Herbicides 97%

Total Dissolve Solids

95%

How effective is Reverse Osmosis filtration compared to other methods ?

RO is the most convenient and effective method of water filtration. It filters water by squeezing water through a semi-permeable membrane, which is rated at 0.0001 micron (equals to 0.00000004 inch!). This is the technology used to make bottled water, it is also the only technology capable of desalinating sea water, making it into drinking water.
Non-RO water filters are much less effective, and the pore size on these filter media are much bigger, generally 0.5 - 10 micron. They can filter out coarse particles, sediments and elements only up to their micron rating. Anything finer and most dissolved substances cannot be filtered out. As a result, water is far less clean and safe compare to reverse osmosis filtration.

Isn't bottled water safer than tap water?

No, not necessarily. NRDC conducted a four-year review of the bottled water industry and the safety standards that govern it, including a comparison of national bottled water rules with national tap water rules, and independent testing of over 1,000 bottles of water. Our conclusion is that there is no assurance that just because water comes out of a bottle it is any cleaner or safer than water from the tap. And in fact, an estimated 25 percent or more of bottled water is really just tap water in a bottle -- sometimes further treated, sometimes not.

Is bottled water actually unsafe?

Most bottled water appears to be safe. Of the bottles we tested, the majority proved to be high quality and relatively free of contaminants. The quality of some brands was spotty, however, and such products may pose a health risk, primarily for people with weakened immune systems (such as the frail elderly, some infants, transplant and cancer patients, or people with HIV/AIDS). About 22 percent of the brands we tested contained, in at least one sample, chemical contaminants at levels above strict state health limits. If consumed over a long period of time, some of these contaminants could cause cancer or other health problems.

Could the plastic in water bottles pose a health risk?

Recent research suggests that there could be cause for concern, and that the issue should be studied closely. Studies have shown that chemicals called phthalates, which are known to disrupt testosterone and other hormones, can leach into bottled water over time. One study found that water that had been stored for 10 weeks in plastic and in glass bottles contained phthalates, suggesting that the chemicals could be coming from the plastic cap or liner. Although there are regulatory standards limiting phthalates in tap water, there are no legal limits for phthalates in bottled water -- the bottled water industry waged a successful campaign opposing the FDA proposal to set a legal limit for these chemicals.

How does drinking bottled water affect the environment?

In 2006, the equivalent of 2 billion half-liter bottles of water were shipped to U.S. ports, creating thousands of tons of global warming pollution and other air pollution. In New York City alone, the transportation of bottled water from western Europe released an estimated 3,800 tons of global warming pollution into the atmosphere. In California, 18 million gallons of bottled water were shipped in from Fiji in 2006, producing about 2,500 tons of global warming pollution.
And while the bottles come from far away, most of them end up close to home -- in a landfill. Most bottled water comes in recyclable PET plastic bottles, but only about 13 percent of the bottles we use get recycled. In 2005, 2 million tons of plastic water bottles ended up clogging landfills instead of getting recycled.