G GVR-4579 AC Members Sep 18, 2005 82 0 0 Lakeville, MN Dec 10, 2005 #1 Hey i have alot of small bubbles under my substrate, any reason for me to worry about them?
G Gealcath AC Members Nov 9, 2003 785 1 0 Visit site Dec 10, 2005 #2 If its a DSB its probably built up Nitrogen gas due to anerobic bacteria breaking down Nitrate, which is harmless.
If its a DSB its probably built up Nitrogen gas due to anerobic bacteria breaking down Nitrate, which is harmless.
