I was looking around the web, & saw that HAGEN sells a master water test kit. It looks like it tests for all the important parameters. $70 seems a bit pricey. I'm just setting up a 125 freshwater tank. Do I need a kit that involved?
http://www.thatpetplace.com/Product...st/T1/F55CQ+0171+0771/EDP/24329/Itemdy00.aspx
http://www.thatpetplace.com/Product...st/T1/F55CQ+0171+0771/EDP/24329/Itemdy00.aspx