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Old 02-18-2012, 01:55 PM
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Reefer Rob Reefer Rob is offline
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"Base" rock to me is the petrified rock that is as hard as glass and about as impervious. I still have some in my garden from my first tank Dry rock like Marco rocks is soft and porous, and will eventually work just like live rock with time. I don't like to fill the tank up with rock so there's no room for the fish to swim, so I don't see the need for "base" rock.
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