We've talked about it so much
Now this is how you test your water. You would have to purchase a hach or another water testing kit. These range from 30.00 - 1000.00 dollars. Most of them are very acurate.

Search engines to search for what you want
AltaVista You can search for Hach kit or Water testing kit.
Google You can search for Hach kit or Water testing kit.
Yahoo! You can search for Hach kit or Water testing kit.
InfoSeek

Great sites to buy kits from
www.sciencekit.com
www.accepta.com
www.aquamallusa.com
www.hach.com
www.healthywater.org
www.watercenter.com
www.h2o-products.com