I have had the 100h for about 5 days now on a brand new tank. This is my first attempt at a saltwater tank. I did everything the directions said to do and it worked great. It skimmed out a lot of the brown milky residue from the crushed coral that I put in. After emptying the collection cup and restarting the tank is crystal clear but it isn't skimming anything and there is no foam being produced. There is just wet bubbles that are in the neck. Again this is a new tank only 5 days old, I was wondering if this is normal sense technically there is nothing in the water to skim out.