Water Chemistry

Hello fellow addicts! As many of you know I recently did a tank restart so 70% of all my water is new, no additives added, no corals yet, and lots of testing done. Currently I am working on stabilizing my parameters but first I need to get them all where they should be and I am wanting to do sps and lps in this tank so I want to maintain them at the right levels and keep them as rock solid as possible. After 13 days of running I am at:

Ammonia 0
Nitrite 0
Nitrate 0
...

Ok so I have been through a lot with my current tank and set up but I am starting to lose some very hardy corals and as well there are some things and corals I would like to rid my tank of (blue clove polyps, xenia.) My rock I bought "live" but it is not very porous and I think may be leaching some bad into my water as well. So I am thinking about "starting over" and wanted to get some input.

First off if i do this my equipment and tank would remain the same but ...

Well it's been a while since I have wrote a tank update so here we go. I am still fighting the caulerpa outbreak in my tank but with regular trimmings and one of my newest tank addition (a yellow tang) it is starting to come under control a bit.

My wife found that there was water magically appearing around the tank and after further investigation I discovered my pump was leaking that cycled water in my closed loop system. I have yet to get the time to try and figure out a new way of ...