This is my first time using a protein skimmer on a saltwater set up. The tank is a 5 gallon, with 5 lbs of live sand, as well as 5 lbs of live rock. I am using an AquaClear 20 as main filtration. My skimmer is an Azoo Mignon Skim 360, for tanks up to 20 gallons, pumps 95 gph. There are no...