Any ideas on how to help alleviate this amount of bubbling in the sump? The bubbling was fairly minor until we started dosing paraguard for a few days. Now it’s like we put a bottle of soap in the tank and are having a hard time getting it under control. Changing filter socks helps for about 15-20 minutes then it starts back up again. Have not yet done a water change since dosing the paraguard, which was our next thing to do. But beyond that I’m at a loss as to what else to do.