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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

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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

Price: $11.99 $8.43

Granular activated carbon cartridge
Reduces chlorine taste and odor
Filter life up to 12 months or 1000 gallons

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

Price: $20.99 $16.34

0.5-micron (nominal) filtration
Level 2 Extra Filtration
Reduces asbestos, chlorine taste and odor, and sediment

i've got a brita water filter i think buying bottled water is more expensive and it causes more pollution than a brita maxtra cartridge which u get a month a time from in your brita filter jug!!!

I love my Brita. But I think it's more that the water is super cold from the fridge that makes it taste better.

2008-02-18 13:13:20 by wiganwarriorsfanalltheway

My mom usually uses a brita water filter and one day i looked in a cup of water that was just boiled and there was some black stuff in there from the filter. I don't think she aligned the cartridge thing into the slot and thats why some of its leaking. I don't know how long that has been happening but if i drink it is it a problem?

Not a problem!!! I have a Brita water pitcher too and all that black stuff is, is carbon. Carbon is what is in the filter to filter all the water out.

2008-05-06 22:12:12 by himynameisherman