View Full Version : vacum the substrate?
jimandlynnette
02/05/2002, 10:15 PM
is it a good idea to vacum the substsate when doing a water change?
newkie
02/05/2002, 10:47 PM
That depends on the substrate.
Is it crushed coral or other large grained substrate? Yes
Is it sand around .5mm or less? No
jimandlynnette
02/05/2002, 10:52 PM
its special grade aragonite reef sand
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