Originally Posted by VALKRYDERGUY

The Earth's ocean consists of .01 % sponges.....
the sponges suck up roughly .0001 % of the oceans water...
therefore the ocean would get shallower if we were to remove sponges.

The deepest part of the ocean is the Mariana Trench which is 36,201 ft. deep.
There's no saying how much water the sponges use up.