oh yes i know the importance of wc and water purification. i'm going to have to find another water source though for my SH tank other than the tap (any ideas?)
Also i'm not trying to cut corners with less rock, i'm going to have to find places other than my LFS to buy it because they charge 5$ a pound :O!
http://cgi.ebay.com/ws/eBayISAPI.dll...ype=osi_widget
thats the rock i was looking at getting.