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I would like to perform a test to see if my Brita Filter cartridge is still effective. What would be your suggestion in designing an experiment to test the water filtered by these cartridge?

I have access to use microscope, petri dishes, incubator, x-ray diffraction machine, gas chromatography, pH meter, and regular chemical experiment equipments.

thanks in advance

You need to test the water before and after filtration. This will let you determine what, if anything, the filter removed (or added) to (from) the water.

The microscope can be used to detect particulates. The petri dishes, and incubator can be used for microbial (bacteria and fungi) growth, but the shouldn't be any microbes in your drinking water before you filter it. The govenment has a TMDL of 0 for all microbes.

I'm not sure how X-ray difraction works and I believe gas chromatography take a small amount of a solid material and vaporizes it, so I don't think it would work.

You can test pH before and after, but that won't give you very much information.

2006-10-10 06:55:49 by coza b

The Aquasana AQ-4000 is a patented twin cartridge drinking water filter installs in seconds to standard kitchen faucets and provides up to 30 ...

You may be helping a lot of people to save money and keep healthy by answering and share your experience using Brita filters.

I found that Brita Filter replacement cartridges and similar products are extremely expensive. Not mention if you have to pay for the water+sewage as well in your monthly utility bill.

1. Is it good for pregnant woman to drink water filtered by brita instead of buying bottled/distilled water?
2. Is brita filter cartridge contains only activated carbon, what are the white/cream particles inside?
3. Is it easy to regenerate just by boiling it, or you have to reactivate the carbon by baking or burning it?
4. Can you replace the carbon with regular activated carbon (with the same particle size)?

It depends on what you are wanting to filter out of the tap water. Do you know if your tap water contains an elevated level of lead or other heavy metal or chemicals other than the chlorine added in water treatment? If not, I suspect that most filters are very effective far beyond their recommended capacity, since that is based on the worst possible level of contamination in any water system. If you want to test this, use the filter for a while beyond the recommended replacement date, and test the water for chlorine with a swimming pool test kit. If you don't have a pool or know someone with one, call local pool maintenance companies & see what they would charge to test it for you. I am quite certain that there is no way to regenerate activated charcoal/carbon.

2006-10-06 12:27:36 by coza b

Price: $20.99 $16.33

Reduces asbestos, chlorine taste and odor, and sediment
Reduces greater than 99.95% Giardia and Cryptosporidium cysts
0.5-micron (nominal) filtration

You may be helping a lot of people to save money and keep healthy by answering and share your experience using Brita filters.

I found that Brita Filter replacement cartridges and similar products are extremely expensive. Not mention if you have to pay for the water+sewage as well in your monthly utility bill.

1. Is it good for pregnant woman to drink water filtered by brita instead of buying bottled/distilled water?
2. Is brita filter cartridge contains only activated carbon, what are the white/cream particles inside?
3. Is it easy to regenerate just by boiling it, or you have to reactivate the carbon by baking or burning it?
4. Can you replace the carbon with regular activated carbon (with the same particle size)?

The truth is that TAP WATER is just fine in most communities. State laws regulate frequent samplings, inspections and reports on the content of our drinking water.

Lugging in jugs of bottled water to drink in your house is simply not necessary.

2006-10-06 12:24:03 by coza b

Price: $32.99 $25.10

Fits Culligan HD-950
NSF Certified ; Micron rating - 25
Level 4 Premium Filtration

i have a brita filter and i change the cartridge regularly but i notice the water in this area still tastes horrible! it's like drinking from a fishtank, my room mate has a dupont filter and that tastes fine, which filter gives the best tasting water in your opinion? or is there anything i can do to make my filter work better?

hey if water is that bad then y don't u try Bottled water for drinking and filtered water for other uses, try Perfect water its empowered Drinking water its Hydrates and taste amazing. refreshing drinking water infused with MBO, a proprietary process that stabilizes oxygen in the water.to buy u can go to http://www.makesmartchoice.com i hope u like it when u will use it u will feel the differnce in ur daily activities
take care

2008-09-17 21:24:40 by DD

My RO system is 9 years old. The storage tank had worked well and provides plenty drinking water at the faucet until recently. It now gives only 5 oz water before the pressure diminish to zero and no water flows out. I have replaced the filter cartridges yearly. What's wrong?

You have a blockage in the filter because some water is slowly getting through. Check ALL the filters

2007-12-25 20:29:22 by jn c