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Beyorn · 05-06-2008, 07:22 PM

This my sound silly but once the soil is in do you need to change it down the road say after a year or so and how deep should the substrate layer be?

05-06-2008, 07:22 PM	#10 (permalink)
Beyorn Algae Grower (View User Tanks) PTrader: (0) Join Date: May 2008 Location: Canton, Georgia Posts: 36	This my sound silly but once the soil is in do you need to change it down the road say after a year or so and how deep should the substrate layer be?