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blaster
06-02-2003, 12:15 AM
How many people's dsb looks totally alive right to the bottom.I have about a 4 inch sand bed that looks dead 3 inches from the bottom only on the one side of the tank,is this a concern?
Tau2301
06-02-2003, 01:04 AM
Main tank: 6" DSB with the top 2" that looks alive.

Refugium: 4" DSB with the top 2" that looks alive
Fishster
06-03-2003, 07:02 PM
Most of the creatures that you can see moving or evidence of them moving are in the top 1 or 2 " or the aerobic zone.