Over the past 9 months I have slowing taking out all the bios balls in my wet dry for my 300 gallon FOWLR tank.. Since doing that my drip tray obviously has nothing under it other than the drop to the water level. This creates a constant splas which according to the LFS is creating a great level of oxygentaion. The problem is that it is also creating a great deal of micro bubbles! So when I transfer to a sock I notice the bubbles also drop a great deal. While reading some of the threads here I notice alot of discussion on no sock and no material in wet dry/sump is recommended by many a few years back. I had to add some salt water to raise the salinity as it dehydrates this week so by next weekend my baffles will be back in business so that should also help with the micro bubbles. So do I get rid of drip tray or can that bring an oxygenation problem? Sock or no sock?