I have a bakpak cpr protein skimmer, a powerheard, i have not been to great on water changes 3 total for 2 months but im sticking to once a week here on out to get this tank going. I am using a 2 gallon premixed "nutri seawater", i just did my first water change with that today....i have not had the water tested for a few weeks last time i checked the guy told me everything looked good and there was just a hint of nitrates, i also have a coral that I do not remember what its called but it sits on the sand bed and has tenticles coming out of it, they have not come out in the past few days when I turn the light on, this happened before too and they came back but now it has been 3 days and it looks like it might be dead, my polips are doing well, and i have a clam looking beast with orange tenticles and his lips look like they have electric currents going through them, hes doing well also. Also two turbo snails and like 10 small black snails. I had a heavy onset of brown looking algae for a week. It took care of itself and has disappeared from the rocks and is mostly sitting on my sandbed waiting to be picked up.