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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

SKIP TO 2:40 TO SEE RESULTS (the two cups in the middle have no filter, the two on the ends of the table have the new filter, the other two have ...

So i have filled my tank with Brita filtered water. We have very hard tap water round here so i thought it might help get some of the bad stuff out. I did an ammonia test just because i was curious and i found that tap water actually contains less ammonia than the filtered water!...wtf? Why is that?

How old is the filter? All of the nitrites and nitrates which can be as high as 60 ppm are now decomposing in your filter. Once a filter has overloaded the filtered water will show a higher reading.

ALSO I learned this the hard way, it isn't ammonia but amonium a version of which most filters will not filter out. This too as well as Amonuonum (?) all dirivitives of ammonia will all show as positive and a higher reading than what it actually is.

2008-04-09 06:04:53 by ^_^

Price: $29.99

May help avoid certain health risks and some parasitic illnesses
Built-in findicator flashes red when you need new filter
Two-pack of the most effective Brita filter

I drink about 2 litres of this a day (filtered with Brita) and I'm wondering if there's anyway to test if it's safe or not. .. I mean obviously it's not lethal, but I would like to know if it's safe to drink.

2009-09-04 16:19:25 by Frank J

Price: $14.99

Reduces lead, chlorine taste and odor, Cryptosporidium and Giardia cysts
Quick and easy replacement
Reduces unpleasant odor

Are the Brita Water Filter Pitchers good, have you used it and if so would do you think it really cleaned the water. Is there a device that I can purchase to test the water after its been through the Brita water pitcher?
My kitchen faucet is detachable and one that cannot be fitted with a water filter, thats why I am considering the pitcher type filter.

The Brita Water Pitcher claims to take all of the "gunk" out of the water that you drink. Personally, even with a brand new filter I never thought that the water out of a Brita Water Pitcher tasted very good. Add to that the fact that the filters need replaced 1-2 times a month depending how much water you drink, and the fact that the pitcher does not hold much water (nowhere near what you should drink each day), and it turned out to be a dissappointing solution for our household.

As for your question about testing water afterwards, Google search drinking water test strips and you will find inexpensive strips that will allow you to test the quality of the water that you clean with the Brita Pitcher, or the water straight out of your faucet.

2009-08-06 17:59:29 by Candace_08

The home I'm renting was built in 1928. My concern is the water I'm using will have lead in it from the pipes. Is there a way (inexpensive please!!!, I'm a medical student with NO money) I can test the water for impurities, such as lead and bacteria? I have a brita filter pitcher that I use for drinking, but don't know if that's enough for me and my toddler. Also, I'm concerned about washing the dishes and showering with the non-filtered. Any information is GREATLY appreciated!!
Wow. I appreciate your feedback, but a few hundred dollars is definately something I don't have.

First off...the water quality in the bay area is excellent compared to other parts of the country. You can call the provider of your source of water to request testing. This is usually free of charge. I live in the East Bay and EBMUD is the provider of water. They do testing free of charge for there customers. Chances of bacteria in the water would be highly unlikely because of the chlorine content in the water. As for the lead...its possible from the old pipes but very tiny. Your best bet is to run the tap for a few minutes before using it. Use the filter. And don't worry about the other stuff. Your water is safe.

2008-08-23 12:22:21 by erik s