madkat
New member
But won't it become live, just take longer to "become" live and work just like live rock?
You need both aerobic and anaerobic bacteria in your tank for it to be healthy and stable. We are not saying that the limestone won't work, it is just not porous enough to sustain large colonies of bacteria.
The rock in our tanks become the filtration and they leach the inert chemicals that out coral need to live. Most of the time people use limestone for cichlid tanks. With that being said, I have 1 piece of limestone in my tank that is a base rock. It weighs in at 40lbs and I wish I would not have followed my wife and left it out.
Your tank is still new enough you can do it right and have a greater chance of success and happiness in the long run.
Ken