Good question. Is there any algae in the tank? This could be causing the off gassing. How about the rocks? Do you normally use a turkey baster to blow off the rocks? I would try this next time you do a water change and see if it helps.
Good question. Is there any algae in the tank? This could be causing the off gassing. How about the rocks? Do you normally use a turkey baster to blow off the rocks? I would try this next time you do a water change and see if it helps.
John
"Critics are men who watch a battle from a high place and then come down and shoot the survivors." Ernest Hemingway