If you have noticed that your water has a metallic taste to it or a strange odor, then the first thing you will want to do is get your water tested. There are a lot of water testing kits that you can pick up from your local hardware store, some of them allow you to test your water right away or will allow you to take a sample of water to send to a testing laboratory. Once you have found out the contaminants in your water, you will want to choose either a whole house water filter or an under the sink water filtration system. However, in the interim, it's always a good idea to purchase a water filter pitcher. While there are many different varieties of water filter pitchers, you can read the reviews on the best water filter pitcher reviews to get a better sense of which one is right for you. However, for most homeowners, any type of water filter pitcher should remove the odors and purify your water to a safe level, until you have the chance to install a more permanent solution.
Once you have had enough time to get the results back from your water tests, it's a good idea to look at the various under the sink and whole house water filters. If a whole household water filter turns out to be too expensive, another choice would be to go with an under sink water filters, which will offer you another spigot on top of your kitchen counter top, that provides clean fresh, filtered water. The benefit of an under the sink water filter, is that they are normally going to be more affordable than a whole house water filter, yet still provide clean water to you to drink, as well as cook with. You will just want to make sure that the water filter that you choose is able to filter out all the contaminants that you have in your house. For example, if you have large amounts of iron in your water supply, you will want to make sure that the water filtration system you decide to go with, can filter out iron.