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sjsoto · 11-01-2009, 12:31 PM

anaerobic bacteria is good for your tank to break up waste, but in the process it produces harmful gases that water changes are required, and cleaning sand bed is also a requirement... thats why its advice to stir sand bed to loosen up harmful traped gases before they accumulate.

11-01-2009, 12:31 PM	#9 (permalink)
sjsoto Tunicate Join Date: Nov 2009 Posts: 13 View Gallery Karma Komment	Re: Bubbles from substrate... anaerobic bacteria is good for your tank to break up waste, but in the process it produces harmful gases that water changes are required, and cleaning sand bed is also a requirement... thats why its advice to stir sand bed to loosen up harmful traped gases before they accumulate.