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salineh2o
02/12/2007, 07:52 AM
Why are there always bubbles on my rocks?
salineh2o
02/12/2007, 07:53 AM
(Pardon)
rustybucket145
02/12/2007, 07:57 AM
Any pics?
skeeter-doc
02/12/2007, 12:11 PM
could be anything

microbubbles from your skimmer/return, ...
bubbles from the nitrogen cycle in your tank, ...
air bubbles caught underneath your rocks when first introduced, ..