How do you know if/when you need a protien skimmer? (and what kind would you get?
We have a 40 gallon, with 35lbs LR, 2 o. clowns, pygmy angel, 6 line wrasse, long nose hawkfish, some mushroom polyps, feather duster, linkia starfish, cleaner shrimp (yes.. the hawkfish ignores it!) atlanic...