How much live rock do I REALLY need?

I like the look of reef saver, and how well the pieces fit together. That's why I decided to go with them.

The idea isn't "How few lbs of live rock can I use.", it's "Can I just use what is required for the look of the tank - and to provide hiding places for my fish.".

Thanks for the link to Matrix, I think that I'll be adding it to the sump. :)
 
I would think the lbs of live rock needed would be impossible to say. There are just far too many variables between tanks. The stocking rates of fish in a tank vary almost 10 fold. Then the amount of food people give their fish varies tremendously. Also the rock itself varies. Some rock is dense having relatively little surface area and some rock is quite porous. Also remember that a lb of dry rock does mp or include the water weight that live rock has. If you think this might be an issue, just monitor your ammonia levels until you have enough data to give you comfort. You could easily buy an ammonia alert badge and slap it on your tank for your initial year.
 
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