to anyone that has a euro reef skimmer.......how har is your return from the skimmer to your water line in sump?....i had it working great this last month..my overflow from skimmer is about a hair line under the water.. is that why mybe this is happening?i usualy have it about a 1/2 inch from water line...its just doing top offs.. it sometimes is under the water a lil or when water evaporates its about 2 inches from water line

...whats the best distance from the water line so i dont get millions of bubbles in my disply tank
thanks for any help!!!!!!!!!!